| Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended | 3 Months Ended | 12 Months Ended | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012
 TruePosition [Member] | Mar. 31, 2011
 TruePosition [Member] | Dec. 31, 2013
 Minimum [Member]
 Equipment [Member] | Dec. 31, 2013
 Minimum [Member]
 Building and Building Improvements [Member] | Dec. 31, 2013
 Minimum [Member]
 Satellite system [Member] | Dec. 31, 2012
 Maximum [Member]
 Equipment [Member] | Dec. 31, 2012
 Maximum [Member]
 Building and Building Improvements [Member] | Dec. 31, 2012
 Maximum [Member]
 Satellite system [Member] | Dec. 31, 2013
 Programming and content expense [Member] | Dec. 31, 2012
 Programming and content expense [Member] | Dec. 31, 2011
 Programming and content expense [Member] | Dec. 31, 2013
 Customer service and billing [Member] | Dec. 31, 2012
 Customer service and billing [Member] | Dec. 31, 2011
 Customer service and billing [Member] | Dec. 31, 2013
 Other cost of subscriber services [Member] | Dec. 31, 2012
 Other cost of subscriber services [Member] | Dec. 31, 2011
 Other cost of subscriber services [Member] | Dec. 31, 2013
 Other Operating Expense [Member] | Dec. 31, 2012
 Other Operating Expense [Member] | Dec. 31, 2011
 Other Operating Expense [Member] | Dec. 31, 2013
 Selling, General and Administrative Expenses [Member] | Dec. 31, 2012
 Selling, General and Administrative Expenses [Member] | Dec. 31, 2011
 Selling, General and Administrative Expenses [Member] | Dec. 31, 2011
 Segment, Liberty Starz [Member] | |
| Land | $ 59 | $ 13 | |||||||||||||||||||||||||
| Allocated Share-based Compensation Expense | 15 | 0 | 0 | 4 | 0 | 0 | 7 | 0 | 0 | 14 | 0 | 0 | 153 | 46 | 25 | ||||||||||||
| Depreciation | 200 | 23 | 24 | ||||||||||||||||||||||||
| Weighted Average Number of Shares Outstanding, Basic | 118 | 120 | 85 | 51 | |||||||||||||||||||||||
| Weighted Average Number Diluted Shares Outstanding Adjustment | 2 | 4 | 3 | 2 | |||||||||||||||||||||||
| Advertising Expense | 181 | 4 | 4 | ||||||||||||||||||||||||
| Share-based Compensation | 193 | 46 | 25 | ||||||||||||||||||||||||
| Deferred Revenue, Revenue Recognized | 491 | 538 | |||||||||||||||||||||||||
| Amortization of Deferred Charges | 242 | 167 | |||||||||||||||||||||||||
| Property, Plant and Equipment, Useful Life, Minimum | 3 years | 10 years | 2 years | 20 years | 40 years | 15 years | |||||||||||||||||||||
| Allowance for Doubtful Accounts Receivable, Current | 4 | 1 | |||||||||||||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized | 65 | ||||||||||||||||||||||||||
| Total Value Of Non Strategic Securities | 1,253 | 1,079 | |||||||||||||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition | 1 year 4 months 24 days | ||||||||||||||||||||||||||
| Provision for Doubtful Accounts | 4 | ||||||||||||||||||||||||||
| Financing Receivable, Allowance for Credit Losses, Charge-offs | (1) | ||||||||||||||||||||||||||
| Weighted Average Number of Shares Outstanding, Diluted | 120 | 124 | 88 | 53 | |||||||||||||||||||||||
| Capitalized expenditures, including interest | 87 | ||||||||||||||||||||||||||
| Buildings and improvements | 157 | 149 | |||||||||||||||||||||||||
| Support equipment | 257 | 167 | |||||||||||||||||||||||||
| Satellite system | 1,573 | 0 | |||||||||||||||||||||||||
| Construction in progress | 103 | 0 | |||||||||||||||||||||||||
| Property, Plant and Equipment, Gross | $ 2,149 | $ 329 | |||||||||||||||||||||||||