| Financial Information for Tracking Stock Groups (Tables)
 | 3 Months Ended | 
| Mar. 31, 2018 | 
|---|
| Condensed Financial Information of Parent Company Only Disclosure [Abstract] |  | 
| Condensed Balance Sheet |  
		
			BALANCE SHEET INFORMATION
		 
			March 31, 2018
		 
			 
		 
			
				| 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						  | 
						Attributed (note 1) | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						Liberty  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						SiriusXM  | 
						  | 
						Braves | 
						  | 
						Formula One  | 
						  | 
						Inter-Group | 
						  | 
						Consolidated | 
						  |  
				| 
						  | 
						     | 
						Group | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Eliminations | 
						  | 
						Liberty | 
						     |  
				| 
						  | 
						  | 
						amounts in millions | 
						  |  
				| 
						Assets | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Current assets: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Cash and cash equivalents | 
						  | 
						$ | 
						 658 | 
						  | 
						 114 | 
						  | 
						 270 | 
						  | 
						  — | 
						  | 
						 1,042 | 
						  |  
				| 
						Trade and other receivables, net | 
						  | 
						  | 
						 245 | 
						  | 
						 80 | 
						  | 
						 69 | 
						  | 
						  — | 
						  | 
						 394 | 
						  |  
				| 
						Other current assets | 
						  | 
						  | 
						 177 | 
						  | 
						 82 | 
						  | 
						 224 | 
						  | 
						  — | 
						  | 
						 483 | 
						  |  
				| 
						Total current assets | 
						  | 
						  | 
						 1,080 | 
						  | 
						 276 | 
						  | 
						 563 | 
						  | 
						  — | 
						  | 
						 1,919 | 
						  |  
				| 
						Intergroup interest in the Liberty Braves Group (note 1) | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 207 | 
						  | 
						 (207) | 
						  | 
						  — | 
						  |  
				| 
						Investments in debt and equity securities (note 1) | 
						  | 
						  | 
						 1,031 | 
						  | 
						  8 | 
						  | 
						 534 | 
						  | 
						  — | 
						  | 
						 1,573 | 
						  |  
				| 
						Investments in affiliates, accounted for using the equity method (note 1) | 
						  | 
						  | 
						 651 | 
						  | 
						 97 | 
						  | 
						 910 | 
						  | 
						  — | 
						  | 
						 1,658 | 
						  |  
				| 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Property and equipment, at cost | 
						  | 
						  | 
						 2,307 | 
						  | 
						 1,238 | 
						  | 
						 182 | 
						  | 
						  — | 
						  | 
						 3,727 | 
						  |  
				| 
						Accumulated depreciation | 
						  | 
						  | 
						 (973) | 
						  | 
						 (64) | 
						  | 
						 (87) | 
						  | 
						  — | 
						  | 
						 (1,124) | 
						  |  
				| 
						  | 
						  | 
						  | 
						 1,334 | 
						  | 
						 1,174 | 
						  | 
						 95 | 
						  | 
						  — | 
						  | 
						 2,603 | 
						  |  
				| 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Intangible assets not subject to amortization | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Goodwill | 
						  | 
						  | 
						 14,247 | 
						  | 
						 180 | 
						  | 
						 3,956 | 
						  | 
						  — | 
						  | 
						 18,383 | 
						  |  
				| 
						FCC licenses | 
						  | 
						  | 
						 8,600 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 8,600 | 
						  |  
				| 
						Other | 
						  | 
						  | 
						 931 | 
						  | 
						 143 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 1,074 | 
						  |  
				| 
						  | 
						  | 
						  | 
						 23,778 | 
						  | 
						 323 | 
						  | 
						 3,956 | 
						  | 
						  — | 
						  | 
						 28,057 | 
						  |  
				| 
						Intangible assets subject to amortization, net | 
						  | 
						  | 
						 964 | 
						  | 
						 49 | 
						  | 
						 5,002 | 
						  | 
						  — | 
						  | 
						 6,015 | 
						  |  
				| 
						Other assets | 
						  | 
						  | 
						 120 | 
						  | 
						 20 | 
						  | 
						 575 | 
						  | 
						  — | 
						  | 
						 715 | 
						  |  
				| 
						Total assets | 
						  | 
						$ | 
						 28,958 | 
						  | 
						 1,947 | 
						  | 
						 11,842 | 
						  | 
						 (207) | 
						  | 
						 42,540 | 
						  |  
				| 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Liabilities and Equity | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Current liabilities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Intergroup payable (receivable) (note 3) | 
						  | 
						$ | 
						 (3) | 
						  | 
						 (44) | 
						  | 
						 47 | 
						  | 
						  — | 
						  | 
						  — | 
						  |  
				| 
						Accounts payable and accrued liabilities | 
						  | 
						  | 
						 852 | 
						  | 
						 68 | 
						  | 
						 144 | 
						  | 
						  — | 
						  | 
						 1,064 | 
						  |  
				| 
						Current portion of debt (note 1) | 
						  | 
						  | 
						  5 | 
						  | 
						 31 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 36 | 
						  |  
				| 
						Deferred revenue | 
						  | 
						  | 
						 1,910 | 
						  | 
						 140 | 
						  | 
						 413 | 
						  | 
						  — | 
						  | 
						 2,463 | 
						  |  
				| 
						Other current liabilities | 
						  | 
						  | 
						  4 | 
						  | 
						  9 | 
						  | 
						 11 | 
						  | 
						  — | 
						  | 
						 24 | 
						  |  
				| 
						Total current liabilities | 
						  | 
						  | 
						 2,768 | 
						  | 
						 204 | 
						  | 
						 615 | 
						  | 
						  — | 
						  | 
						 3,587 | 
						  |  
				| 
						Long-term debt (note 1) | 
						  | 
						  | 
						 7,951 | 
						  | 
						 568 | 
						  | 
						 5,558 | 
						  | 
						  — | 
						  | 
						 14,077 | 
						  |  
				| 
						Deferred income tax liabilities | 
						  | 
						  | 
						 1,523 | 
						  | 
						 68 | 
						  | 
						 (81) | 
						  | 
						  — | 
						  | 
						 1,510 | 
						  |  
				| 
						Redeemable intergroup interest (note 1) | 
						  | 
						  | 
						  — | 
						  | 
						 207 | 
						  | 
						  — | 
						  | 
						 (207) | 
						  | 
						  — | 
						  |  
				| 
						Other liabilities | 
						  | 
						  | 
						 281 | 
						  | 
						 518 | 
						  | 
						 92 | 
						  | 
						  — | 
						  | 
						 891 | 
						  |  
				| 
						Total liabilities | 
						  | 
						  | 
						 12,523 | 
						  | 
						 1,565 | 
						  | 
						 6,184 | 
						  | 
						 (207) | 
						  | 
						 20,065 | 
						  |  
				| 
						Equity / Attributed net assets | 
						  | 
						  | 
						 10,945 | 
						  | 
						 377 | 
						  | 
						 5,655 | 
						  | 
						  — | 
						  | 
						 16,977 | 
						  |  
				| 
						Noncontrolling interests in equity of subsidiaries | 
						  | 
						  | 
						 5,490 | 
						  | 
						  5 | 
						  | 
						  3 | 
						  | 
						  — | 
						  | 
						 5,498 | 
						  |  
				| 
						Total liabilities and equity | 
						  | 
						$ | 
						 28,958 | 
						  | 
						 1,947 | 
						  | 
						 11,842 | 
						  | 
						 (207) | 
						  | 
						 42,540 | 
						  | 
			 
		 | 
| Condensed Statement of Operations |  
		
			STATEMENT OF OPERATIONS INFORMATION
		 
			Three months ended March 31, 2018
		 
			 
		 
			
				| 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						  | 
						Attributed (note 1) | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						Liberty  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						SiriusXM  | 
						  | 
						Braves | 
						  | 
						 Formula One | 
						  | 
						Consolidated | 
						  |  
				| 
						  | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Liberty | 
						  |  
				| 
						  | 
						  | 
						amounts in millions | 
						  |  
				| 
						Revenue: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Subscriber revenue | 
						  | 
						$ | 
						 1,117 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 1,117 | 
						  |  
				| 
						Formula 1 revenue | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 114 | 
						  | 
						 114 | 
						  |  
				| 
						Other revenue | 
						  | 
						  | 
						 258 | 
						  | 
						 28 | 
						  | 
						  — | 
						  | 
						 286 | 
						  |  
				| 
						Total revenue | 
						  | 
						  | 
						 1,375 | 
						  | 
						 28 | 
						  | 
						 114 | 
						  | 
						 1,517 | 
						  |  
				| 
						Operating costs and expenses, including stock-based compensation (note 2): | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Cost of subscriber services (exclusive of depreciation shown separately below): | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Revenue share and royalties | 
						  | 
						  | 
						 310 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 310 | 
						  |  
				| 
						Programming and content | 
						  | 
						  | 
						 101 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 101 | 
						  |  
				| 
						Customer service and billing | 
						  | 
						  | 
						 94 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 94 | 
						  |  
				| 
						Other | 
						  | 
						  | 
						 29 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 29 | 
						  |  
				| 
						Cost of Formula 1 revenue | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 81 | 
						  | 
						 81 | 
						  |  
				| 
						Subscriber acquisition costs | 
						  | 
						  | 
						 123 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 123 | 
						  |  
				| 
						Other operating expenses | 
						  | 
						  | 
						 31 | 
						  | 
						 40 | 
						  | 
						  — | 
						  | 
						 71 | 
						  |  
				| 
						Selling, general and administrative | 
						  | 
						  | 
						 202 | 
						  | 
						 23 | 
						  | 
						 40 | 
						  | 
						 265 | 
						  |  
				| 
						Depreciation and amortization | 
						  | 
						  | 
						 89 | 
						  | 
						 16 | 
						  | 
						 111 | 
						  | 
						 216 | 
						  |  
				| 
						  | 
						  | 
						  | 
						 979 | 
						  | 
						 79 | 
						  | 
						 232 | 
						  | 
						 1,290 | 
						  |  
				| 
						Operating income (loss) | 
						  | 
						  | 
						 396 | 
						  | 
						 (51) | 
						  | 
						 (118) | 
						  | 
						 227 | 
						  |  
				| 
						Other income (expense): | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Interest expense | 
						  | 
						  | 
						 (97) | 
						  | 
						 (6) | 
						  | 
						 (47) | 
						  | 
						 (150) | 
						  |  
				| 
						Share of earnings (losses) of affiliates, net | 
						  | 
						  | 
						  1 | 
						  | 
						  3 | 
						  | 
						 (12) | 
						  | 
						 (8) | 
						  |  
				| 
						Realized and unrealized gains (losses) on financial instruments, net | 
						  | 
						  | 
						 58 | 
						  | 
						  — | 
						  | 
						 95 | 
						  | 
						 153 | 
						  |  
				| 
						Unrealized gains (losses) on intergroup interest (note 1) | 
						  | 
						  | 
						  — | 
						  | 
						 (5) | 
						  | 
						  5 | 
						  | 
						  — | 
						  |  
				| 
						Other, net | 
						  | 
						  | 
						  5 | 
						  | 
						  1 | 
						  | 
						  — | 
						  | 
						  6 | 
						  |  
				| 
						  | 
						  | 
						  | 
						 (33) | 
						  | 
						 (7) | 
						  | 
						 41 | 
						  | 
						  1 | 
						  |  
				| 
						Earnings (loss) before income taxes | 
						  | 
						  | 
						 363 | 
						  | 
						 (58) | 
						  | 
						 (77) | 
						  | 
						 228 | 
						  |  
				| 
						Income tax (expense) benefit | 
						  | 
						  | 
						 (81) | 
						  | 
						  6 | 
						  | 
						 60 | 
						  | 
						 (15) | 
						  |  
				| 
						Net earnings (loss) | 
						  | 
						  | 
						 282 | 
						  | 
						 (52) | 
						  | 
						 (17) | 
						  | 
						 213 | 
						  |  
				| 
						Less net earnings (loss) attributable to the noncontrolling interests | 
						  | 
						  | 
						 82 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 82 | 
						  |  
				| 
						Net earnings (loss) attributable to Liberty stockholders | 
						  | 
						$ | 
						 200 | 
						  | 
						 (52) | 
						  | 
						 (17) | 
						  | 
						 131 | 
						  | 
			 
		 
			 
		 
			 
		 
			 
		 
			STATEMENT OF OPERATIONS INFORMATION
		 
			Three months ended March 31, 2017
		 
			 
		 
			
				| 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						  | 
						Attributed (note 1) | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						Liberty  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						SiriusXM | 
						  | 
						Braves | 
						  | 
						 Formula One | 
						  | 
						Consolidated | 
						  |  
				| 
						  | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Liberty | 
						  |  
				| 
						  | 
						  | 
						amounts in millions | 
						  |  
				| 
						Revenue: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Subscriber revenue | 
						  | 
						$ | 
						 1,078 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 1,078 | 
						  |  
				| 
						Formula 1 revenue | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 96 | 
						  | 
						 96 | 
						  |  
				| 
						Other revenue | 
						  | 
						  | 
						 216 | 
						  | 
						  5 | 
						  | 
						  — | 
						  | 
						 221 | 
						  |  
				| 
						Total revenue | 
						  | 
						  | 
						 1,294 | 
						  | 
						  5 | 
						  | 
						 96 | 
						  | 
						 1,395 | 
						  |  
				| 
						Operating costs and expenses, including stock-based compensation (note 2): | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Cost of subscriber services (exclusive of depreciation shown separately below): | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Revenue share and royalties | 
						  | 
						  | 
						 277 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 277 | 
						  |  
				| 
						Programming and content | 
						  | 
						  | 
						 96 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 96 | 
						  |  
				| 
						Customer service and billing | 
						  | 
						  | 
						 97 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 97 | 
						  |  
				| 
						Other | 
						  | 
						  | 
						 27 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 27 | 
						  |  
				| 
						Cost of Formula 1 revenue | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 68 | 
						  | 
						 68 | 
						  |  
				| 
						Subscriber acquisition costs | 
						  | 
						  | 
						 127 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 127 | 
						  |  
				| 
						Other operating expenses | 
						  | 
						  | 
						 24 | 
						  | 
						 17 | 
						  | 
						  — | 
						  | 
						 41 | 
						  |  
				| 
						Selling, general and administrative | 
						  | 
						  | 
						 184 | 
						  | 
						 19 | 
						  | 
						 36 | 
						  | 
						 239 | 
						  |  
				| 
						Depreciation and amortization | 
						  | 
						  | 
						 90 | 
						  | 
						  2 | 
						  | 
						 72 | 
						  | 
						 164 | 
						  |  
				| 
						  | 
						  | 
						  | 
						 922 | 
						  | 
						 38 | 
						  | 
						 176 | 
						  | 
						 1,136 | 
						  |  
				| 
						Operating income (loss) | 
						  | 
						  | 
						 372 | 
						  | 
						 (33) | 
						  | 
						 (80) | 
						  | 
						 259 | 
						  |  
				| 
						Other income (expense): | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Interest expense | 
						  | 
						  | 
						 (84) | 
						  | 
						  — | 
						  | 
						 (56) | 
						  | 
						 (140) | 
						  |  
				| 
						Share of earnings (losses) of affiliates, net | 
						  | 
						  | 
						  3 | 
						  | 
						  3 | 
						  | 
						 (10) | 
						  | 
						 (4) | 
						  |  
				| 
						Realized and unrealized gains (losses) on financial instruments, net | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 (12) | 
						  | 
						 (12) | 
						  |  
				| 
						Unrealized gains (losses) on intergroup interest (note 1) | 
						  | 
						  | 
						  — | 
						  | 
						 (28) | 
						  | 
						 28 | 
						  | 
						  — | 
						  |  
				| 
						Other, net | 
						  | 
						  | 
						  6 | 
						  | 
						  3 | 
						  | 
						  8 | 
						  | 
						 17 | 
						  |  
				| 
						  | 
						  | 
						  | 
						 (75) | 
						  | 
						 (22) | 
						  | 
						 (42) | 
						  | 
						 (139) | 
						  |  
				| 
						Earnings (loss) before income taxes | 
						  | 
						  | 
						 297 | 
						  | 
						 (55) | 
						  | 
						 (122) | 
						  | 
						 120 | 
						  |  
				| 
						Income tax (expense) benefit | 
						  | 
						  | 
						 (108) | 
						  | 
						  6 | 
						  | 
						 26 | 
						  | 
						 (76) | 
						  |  
				| 
						Net earnings (loss) | 
						  | 
						  | 
						 189 | 
						  | 
						 (49) | 
						  | 
						 (96) | 
						  | 
						 44 | 
						  |  
				| 
						Less net earnings (loss) attributable to the noncontrolling interests | 
						  | 
						  | 
						 65 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 65 | 
						  |  
				| 
						Net earnings (loss) attributable to Liberty stockholders | 
						  | 
						$ | 
						 124 | 
						  | 
						 (49) | 
						  | 
						 (96) | 
						  | 
						 (21) | 
						  | 
			 
		 | 
| Condensed Statement of Cash Flows |  
		
			STATEMENT OF CASH FLOWS INFORMATION
		 
			Three months ended March 31, 2018
		 
			 
		 
			
				| 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						  | 
						Attributed (note 1) | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						Liberty  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						SiriusXM  | 
						  | 
						Braves | 
						  | 
						 Formula One | 
						  | 
						Consolidated | 
						  |  
				| 
						  | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Liberty | 
						  |  
				| 
						  | 
						  | 
						amounts in millions | 
						  |  
				| 
						Cash flows from operating activities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Net earnings (loss) | 
						  | 
						$ | 
						 282 | 
						  | 
						 (52) | 
						  | 
						 (17) | 
						  | 
						 213 | 
						  |  
				| 
						Adjustments to reconcile net earnings to net cash provided by operating activities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Depreciation and amortization | 
						  | 
						  | 
						 89 | 
						  | 
						 16 | 
						  | 
						 111 | 
						  | 
						 216 | 
						  |  
				| 
						Stock-based compensation | 
						  | 
						  | 
						 40 | 
						  | 
						  — | 
						  | 
						  6 | 
						  | 
						 46 | 
						  |  
				| 
						Share of (earnings) loss of affiliates, net | 
						  | 
						  | 
						 (1) | 
						  | 
						 (3) | 
						  | 
						 12 | 
						  | 
						  8 | 
						  |  
				| 
						Unrealized (gains) losses on intergroup interest, net | 
						  | 
						  | 
						  — | 
						  | 
						  5 | 
						  | 
						 (5) | 
						  | 
						  — | 
						  |  
				| 
						Realized and unrealized (gains) losses on financial instruments, net | 
						  | 
						  | 
						 (58) | 
						  | 
						  — | 
						  | 
						 (95) | 
						  | 
						 (153) | 
						  |  
				| 
						Noncash interest expense (benefit) | 
						  | 
						  | 
						 (1) | 
						  | 
						  1 | 
						  | 
						  — | 
						  | 
						  — | 
						  |  
				| 
						Deferred income tax expense (benefit) | 
						  | 
						  | 
						 73 | 
						  | 
						 (2) | 
						  | 
						 (51) | 
						  | 
						 20 | 
						  |  
				| 
						Intergroup tax allocation | 
						  | 
						  | 
						  — | 
						  | 
						 (4) | 
						  | 
						  4 | 
						  | 
						  — | 
						  |  
				| 
						Other charges (credits), net | 
						  | 
						  | 
						  — | 
						  | 
						 11 | 
						  | 
						  6 | 
						  | 
						 17 | 
						  |  
				| 
						Changes in operating assets and liabilities | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Current and other assets | 
						  | 
						  | 
						 (12) | 
						  | 
						 (17) | 
						  | 
						 (68) | 
						  | 
						 (97) | 
						  |  
				| 
						Payables and other liabilities | 
						  | 
						  | 
						 (19) | 
						  | 
						 97 | 
						  | 
						 276 | 
						  | 
						 354 | 
						  |  
				| 
						Net cash provided (used) by operating activities | 
						  | 
						  | 
						 393 | 
						  | 
						 52 | 
						  | 
						 179 | 
						  | 
						 624 | 
						  |  
				| 
						Cash flows from investing activities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Investments in equity method affiliates and debt and equity securities | 
						  | 
						  | 
						 (389) | 
						  | 
						  — | 
						  | 
						 (4) | 
						  | 
						 (393) | 
						  |  
				| 
						Cash proceeds from sale of investments | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						  9 | 
						  | 
						  9 | 
						  |  
				| 
						Capital expended for property and equipment | 
						  | 
						  | 
						 (82) | 
						  | 
						 (6) | 
						  | 
						 (1) | 
						  | 
						 (89) | 
						  |  
				| 
						Other investing activities, net | 
						  | 
						  | 
						  — | 
						  | 
						 37 | 
						  | 
						 12 | 
						  | 
						 49 | 
						  |  
				| 
						Net cash provided (used) by investing activities | 
						  | 
						  | 
						 (471) | 
						  | 
						 31 | 
						  | 
						 16 | 
						  | 
						 (424) | 
						  |  
				| 
						Cash flows from financing activities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Borrowings of debt | 
						  | 
						  | 
						 1,021 | 
						  | 
						  7 | 
						  | 
						 289 | 
						  | 
						 1,317 | 
						  |  
				| 
						Repayments of debt | 
						  | 
						  | 
						 (569) | 
						  | 
						 (89) | 
						  | 
						 (496) | 
						  | 
						 (1,154) | 
						  |  
				| 
						Series C Liberty SiriusXM stock repurchases | 
						  | 
						  | 
						 (31) | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 (31) | 
						  |  
				| 
						Subsidiary shares repurchased by subsidiary | 
						  | 
						  | 
						 (309) | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 (309) | 
						  |  
				| 
						Cash dividends paid by subsidiary | 
						  | 
						  | 
						 (15) | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 (15) | 
						  |  
				| 
						Taxes paid in lieu of shares issued for stock-based compensation | 
						  | 
						  | 
						 (27) | 
						  | 
						  — | 
						  | 
						 (1) | 
						  | 
						 (28) | 
						  |  
				| 
						Other financing activities, net | 
						  | 
						  | 
						 51 | 
						  | 
						  — | 
						  | 
						 (1) | 
						  | 
						 50 | 
						  |  
				| 
						Net cash provided (used) by financing activities | 
						  | 
						  | 
						 121 | 
						  | 
						 (82) | 
						  | 
						 (209) | 
						  | 
						 (170) | 
						  |  
				| 
						Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						  2 | 
						  | 
						  2 | 
						  |  
				| 
						Net increase (decrease) in cash, cash equivalents and restricted cash | 
						  | 
						  | 
						 43 | 
						  | 
						  1 | 
						  | 
						 (12) | 
						  | 
						 32 | 
						  |  
				| 
						Cash, cash equivalents and restricted cash at beginning of period | 
						  | 
						  | 
						 625 | 
						  | 
						 140 | 
						  | 
						 282 | 
						  | 
						 1,047 | 
						  |  
				| 
						Cash, cash equivalents and restricted cash at end of period | 
						  | 
						$ | 
						 668 | 
						  | 
						 141 | 
						  | 
						 270 | 
						  | 
						 1,079 | 
						  | 
			 
		 
			
		 
			STATEMENT OF CASH FLOWS INFORMATION
		 
			March 31, 2017
		 
			 
		 
			
				| 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						  | 
						Attributed (note 1) | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						Liberty  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						  | 
						  | 
						SiriusXM  | 
						  | 
						Braves | 
						  | 
						 Formula One | 
						  | 
						Consolidated | 
						  |  
				| 
						  | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Group | 
						  | 
						Liberty | 
						  |  
				| 
						  | 
						  | 
						amounts in millions | 
						  |  
				| 
						Cash flows from operating activities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Net earnings (loss) | 
						  | 
						$ | 
						 189 | 
						  | 
						 (49) | 
						  | 
						 (96) | 
						  | 
						 44 | 
						  |  
				| 
						Adjustments to reconcile net earnings to net cash provided by operating activities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Depreciation and amortization | 
						  | 
						  | 
						 90 | 
						  | 
						  2 | 
						  | 
						 72 | 
						  | 
						 164 | 
						  |  
				| 
						Stock-based compensation | 
						  | 
						  | 
						 34 | 
						  | 
						  2 | 
						  | 
						  8 | 
						  | 
						 44 | 
						  |  
				| 
						Share of (earnings) loss of affiliates, net | 
						  | 
						  | 
						 (3) | 
						  | 
						 (3) | 
						  | 
						 10 | 
						  | 
						  4 | 
						  |  
				| 
						Unrealized (gains) losses on intergroup interest, net | 
						  | 
						  | 
						  — | 
						  | 
						 28 | 
						  | 
						 (28) | 
						  | 
						  — | 
						  |  
				| 
						Realized and unrealized (gains) losses on financial instruments, net | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 12 | 
						  | 
						 12 | 
						  |  
				| 
						Noncash interest expense (benefit) | 
						  | 
						  | 
						  2 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						  2 | 
						  |  
				| 
						Deferred income tax expense (benefit) | 
						  | 
						  | 
						 107 | 
						  | 
						 31 | 
						  | 
						 (12) | 
						  | 
						 126 | 
						  |  
				| 
						Intergroup tax allocation | 
						  | 
						  | 
						 (5) | 
						  | 
						 (37) | 
						  | 
						 42 | 
						  | 
						  — | 
						  |  
				| 
						Other charges (credits), net | 
						  | 
						  | 
						  4 | 
						  | 
						  — | 
						  | 
						 (2) | 
						  | 
						  2 | 
						  |  
				| 
						Changes in operating assets and liabilities | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Current and other assets | 
						  | 
						  | 
						 (14) | 
						  | 
						 (15) | 
						  | 
						 37 | 
						  | 
						  8 | 
						  |  
				| 
						Payables and other liabilities | 
						  | 
						  | 
						 (100) | 
						  | 
						 53 | 
						  | 
						 44 | 
						  | 
						 (3) | 
						  |  
				| 
						Net cash provided (used) by operating activities | 
						  | 
						  | 
						 304 | 
						  | 
						 12 | 
						  | 
						 87 | 
						  | 
						 403 | 
						  |  
				| 
						Cash flows from investing activities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Investments in equity method affiliates and debt and equity securities | 
						  | 
						  | 
						  — | 
						  | 
						 (2) | 
						  | 
						 (3) | 
						  | 
						 (5) | 
						  |  
				| 
						Net cash paid for the acquisition of Formula 1 | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 (1,647) | 
						  | 
						 (1,647) | 
						  |  
				| 
						Capital expended for property and equipment | 
						  | 
						  | 
						 (54) | 
						  | 
						 (102) | 
						  | 
						  — | 
						  | 
						 (156) | 
						  |  
				| 
						Other investing activities, net | 
						  | 
						  | 
						 (7) | 
						  | 
						 18 | 
						  | 
						  — | 
						  | 
						 11 | 
						  |  
				| 
						Net cash provided (used) by investing activities | 
						  | 
						  | 
						 (61) | 
						  | 
						 (86) | 
						  | 
						 (1,650) | 
						  | 
						 (1,797) | 
						  |  
				| 
						Cash flows from financing activities: | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  | 
						  |  
				| 
						Borrowings of debt | 
						  | 
						  | 
						 330 | 
						  | 
						 114 | 
						  | 
						 1,400 | 
						  | 
						 1,844 | 
						  |  
				| 
						Repayments of debt | 
						  | 
						  | 
						 (194) | 
						  | 
						 (32) | 
						  | 
						 (928) | 
						  | 
						 (1,154) | 
						  |  
				| 
						Proceeds from issuance of Series C Liberty Formula One common stock | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 1,550 | 
						  | 
						 1,550 | 
						  |  
				| 
						Subsidiary shares repurchased by subsidiary | 
						  | 
						  | 
						 (306) | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 (306) | 
						  |  
				| 
						Cash dividends paid by subsidiary | 
						  | 
						  | 
						 (15) | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						 (15) | 
						  |  
				| 
						Taxes paid in lieu of shares issued for stock-based compensation | 
						  | 
						  | 
						 (20) | 
						  | 
						  — | 
						  | 
						 (2) | 
						  | 
						 (22) | 
						  |  
				| 
						Other financing activities, net | 
						  | 
						  | 
						  5 | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						  5 | 
						  |  
				| 
						Net cash provided (used) by financing activities | 
						  | 
						  | 
						 (200) | 
						  | 
						 82 | 
						  | 
						 2,020 | 
						  | 
						 1,902 | 
						  |  
				| 
						Effect of foreign exchange rate changes on cash, cash equivalents and restricted cash | 
						  | 
						  | 
						  — | 
						  | 
						  — | 
						  | 
						  1 | 
						  | 
						  1 | 
						  |  
				| 
						Net increase (decrease) in cash, cash equivalents and restricted cash | 
						  | 
						  | 
						 43 | 
						  | 
						  8 | 
						  | 
						 458 | 
						  | 
						 509 | 
						  |  
				| 
						Cash, cash equivalents and restricted cash at beginning of period | 
						  | 
						  | 
						 297 | 
						  | 
						 107 | 
						  | 
						 168 | 
						  | 
						 572 | 
						  |  
				| 
						Cash, cash equivalents and restricted cash at end of period | 
						  | 
						$ | 
						 340 | 
						  | 
						 115 | 
						  | 
						 626 | 
						  | 
						 1,081 | 
						  | 
			 
		 |