Annual report pursuant to Section 13 and 15(d)

Other Comprehensive Earnings (loss) (Details)

v3.10.0.1
Other Comprehensive Earnings (loss) (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance $ 22,574 $ 17,716 $ 18,131
Balance 21,698 22,574 17,716
Accumulated Other Comprehensive Income (Loss)      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (35) (62) (51)
Other comprehensive earnings (loss) attributable to Liberty stockholders (5) 27 (11)
Cumulative adjustment for change in accounting principle 2    
Balance (38) (35) (62)
Other      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (17) (31) (18)
Other comprehensive earnings (loss) attributable to Liberty stockholders 22 14 (13)
Cumulative adjustment for change in accounting principle 2    
Balance 7 (17) (31)
Foreign currency translation adjustment      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (6) (22) (23)
Other comprehensive earnings (loss) attributable to Liberty stockholders (24) 16 1
Balance (30) (6) (22)
Unrealized holding gains (losses) arising during period      
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]      
Balance (12) (9) (10)
Other comprehensive earnings (loss) attributable to Liberty stockholders (3) (3) 1
Balance $ (15) $ (12) $ (9)