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Summary of Significant Accounting Policies (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | 9 Months Ended | 3 Months Ended | 5 Months Ended | 12 Months Ended | 3 Months Ended | 5 Months Ended | 12 Months Ended | 12 Months Ended | 3 Months Ended | 7 Months Ended | 12 Months Ended | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Sep. 30, 2012
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Sep. 23, 2011
Segment, Liberty Starz [Member]
|
Sep. 23, 2011
Segment, Liberty Capital [Member]
|
Dec. 31, 2013
Ventures Group [Member]
|
Sep. 30, 2013
Ventures Group [Member]
|
Jun. 30, 2013
Ventures Group [Member]
|
Mar. 31, 2013
Ventures Group [Member]
|
Dec. 31, 2012
Ventures Group [Member]
|
Dec. 31, 2013
Ventures Group [Member]
|
Dec. 31, 2012
Ventures Group [Member]
|
Dec. 31, 2011
Ventures Group [Member]
|
Dec. 31, 2013
Interactive Group [Member]
|
Sep. 30, 2013
Interactive Group [Member]
|
Jun. 30, 2013
Interactive Group [Member]
|
Mar. 31, 2013
Interactive Group [Member]
|
Dec. 31, 2012
Interactive Group [Member]
|
Dec. 31, 2013
Interactive Group [Member]
|
Dec. 31, 2012
Interactive Group [Member]
|
Dec. 31, 2011
Interactive Group [Member]
|
Dec. 31, 2013
Minimum [Member]
Equipment [Member]
|
Dec. 31, 2013
Minimum [Member]
Building and Building Improvements [Member]
|
Dec. 31, 2013
Maximum [Member]
Equipment [Member]
|
Dec. 31, 2013
Maximum [Member]
Building and Building Improvements [Member]
|
Dec. 31, 2013
Fair Value Opition Securities [Member]
|
Dec. 31, 2012
Fair Value Opition Securities [Member]
|
Dec. 31, 2013
Acquisition-related Costs [Member]
|
Dec. 31, 2012
Acquisition-related Costs [Member]
|
Dec. 31, 2011
Acquisition-related Costs [Member]
|
Dec. 31, 2013
Operating Expense [Member]
|
Dec. 31, 2012
Operating Expense [Member]
|
Dec. 31, 2011
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, 2012
Segment, Liberty Interactive [Member]
|
Sep. 30, 2012
Segment, Liberty Interactive [Member]
|
Aug. 09, 2012
Segment, Liberty Interactive [Member]
|
Dec. 31, 2012
Segment, Liberty Interactive [Member]
|
Dec. 31, 2011
Segment, Liberty Interactive [Member]
|
|
| Allocated Share-based Compensation Expense | $ 178 | $ 91 | $ 49 | $ 26 | $ 0 | $ 0 | $ 152 | $ 91 | $ 49 | ||||||||||||||||||||||||||||||||||
| Stockholders' Equity Note, Stock Split, Conversion Ratio | 0.05 | ||||||||||||||||||||||||||||||||||||||||||
| Available-for-sale Securities | 1,309 | 1,716 | |||||||||||||||||||||||||||||||||||||||||
| Land | 91 | 100 | |||||||||||||||||||||||||||||||||||||||||
| Inventory Valuation Reserves | 88 | 97 | |||||||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment, Useful Life, Minimum | 3 years | 8 years | 20 years | 40 years | |||||||||||||||||||||||||||||||||||||||
| Weighted Average Number of Shares Outstanding, Basic | 51 | 81 | 33 | 37 | 541 | 519 | 559 | 595 | |||||||||||||||||||||||||||||||||||
| Weighted Average Number Diluted Shares Outstanding Adjustment | 2 | 2 | 0 | 0 | 10 | 8 | 9 | 7 | |||||||||||||||||||||||||||||||||||
| Advertising Expense | 509 | 271 | 242 | ||||||||||||||||||||||||||||||||||||||||
| Sales Returns and Allowances, Goods | 2,137 | 2,041 | 1,966 | ||||||||||||||||||||||||||||||||||||||||
| Weighted Average Number of Shares Outstanding, Diluted | 53 | 83 | 33 | 37 | 551 | 527 | 568 | 602 | |||||||||||||||||||||||||||||||||||
| Net Income (Loss) Attributable to Parent | 501 | 1,530 | 912 | 84 | 36 | 11 | (68) | 63 | 1,064 | 7 | 157 | 77 | 109 | 95 | 438 | 466 | 905 | 1,072 | (48) | 294 | 524 | ||||||||||||||||||||||
| Allowance for Doubtful Accounts Receivable, Current | 89 | 79 | 80 | 67 | |||||||||||||||||||||||||||||||||||||||
| Provision for Doubtful Accounts | 83 | 75 | 68 | 0 | 5 | 0 | |||||||||||||||||||||||||||||||||||||
| Premiums Receivable, Allowance for Doubtful Accounts, Write Offs Against Allowance | (73) | (81) | (55) | ||||||||||||||||||||||||||||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized | 109 | ||||||||||||||||||||||||||||||||||||||||||
| Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition | 1 year 6 months | ||||||||||||||||||||||||||||||||||||||||||
| Buildings and improvements | 1,022 | 909 | |||||||||||||||||||||||||||||||||||||||||
| Support equipment | 1,058 | 948 | |||||||||||||||||||||||||||||||||||||||||
| Projects in progress | 85 | 213 | |||||||||||||||||||||||||||||||||||||||||
| Property, Plant and Equipment, Gross | 2,256 | 2,170 | |||||||||||||||||||||||||||||||||||||||||
| Depreciation | $ 159 | $ 147 | $ 151 | ||||||||||||||||||||||||||||||||||||||||