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Long-Term Debt (Narrative) (Details) (USD $)
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12 Months Ended | 3 Months Ended | 12 Months Ended | 360 Months Ended | 12 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | 2 Months Ended | 361 Months Ended | 3 Months Ended | 12 Months Ended | 12 Months Ended | 10 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2013
Senior Debentures [Member]
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Dec. 31, 2012
Senior Debentures [Member]
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Dec. 31, 2013
Exchangeable Senior Debentures [Member]
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Dec. 31, 2013
HSN, Inc. [Member]
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Dec. 31, 2013
QVC 4.375% Senior Secured Notes due 2023 [Member]
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Mar. 18, 2013
QVC 4.375% Senior Secured Notes due 2023 [Member]
Senior secured note [Member]
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Dec. 31, 2013
5.7% Senior Notes Due 2013 [Member]
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Dec. 31, 2013
8.5% Senior Debentures Due 2029 [Member]
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Dec. 31, 2013
8.25% Senior Debentures Due 2030 [Member]
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Dec. 31, 2013
3.125% Exchangeable Senior Debentures Due 2023 [Member]
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Dec. 31, 2013
3.125% Exchangeable Senior Debentures Due 2023 [Member]
Time Warner [Member]
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Dec. 31, 2013
3.125% Exchangeable Senior Debentures Due 2023 [Member]
Time Warner Cable Inc [Member]
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Dec. 31, 2013
3.125% Exchangeable Senior Debentures Due 2023 [Member]
AOL Inc [Member]
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Dec. 31, 2013
0.75% Exchangeable Senior Debentures due 2043 [Member]
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Apr. 09, 2013
0.75% Exchangeable Senior Debentures due 2043 [Member]
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Mar. 30, 2043
0.75% Exchangeable Senior Debentures due 2043 [Member]
Time Warner Cable Inc [Member]
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Mar. 30, 2043
0.75% Exchangeable Senior Debentures due 2043 [Member]
Time Warner Inc [Member]
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Dec. 31, 2013
4% Exchangeable Senior Debentures Due 2029 [Member]
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Dec. 31, 2013
4% Exchangeable Senior Debentures Due 2029 [Member]
Sprint [Member]
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Dec. 31, 2013
4% Exchangeable Senior Debentures Due 2029 [Member]
Century Link, Inc. [Member]
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Dec. 31, 2013
3.75% Exchangeable Senior Debentures Due 2030 [Member]
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Dec. 31, 2013
3.75% Exchangeable Senior Debentures Due 2030 [Member]
Sprint [Member]
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Dec. 31, 2013
3.75% Exchangeable Senior Debentures Due 2030 [Member]
Century Link, Inc. [Member]
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Jun. 30, 2012
3.5% Exchangeable Senior Debentures Due 2031 [Member]
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Dec. 31, 2013
3.5% Exchangeable Senior Debentures Due 2031 [Member]
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Dec. 31, 2013
3.5% Exchangeable Senior Debentures Due 2031 [Member]
Motorola Solutions [Member]
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Dec. 31, 2013
3.5% Exchangeable Senior Debentures Due 2031 [Member]
Motorola Mobility [Member]
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Dec. 31, 2013
3.25% Exchangeable Senior Debentures Due 2031 [Member]
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Mar. 07, 2013
3.25% Exchangeable Senior Debentures Due 2031 [Member]
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Mar. 07, 2013
3.25% Exchangeable Senior Debentures Due 2031 [Member]
Viacom, Inc. [Member]
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Mar. 07, 2013
3.25% Exchangeable Senior Debentures Due 2031 [Member]
CBS Corporation [Member]
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Dec. 31, 2013
1% Exchangeable Senior Debentures due 2043 [Member]
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Sep. 30, 2043
1% Exchangeable Senior Debentures due 2043 [Member]
HSN, Inc. [Member]
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Dec. 31, 2013
QVC 7.125% Senior Secured Notes Due 2017 [Member]
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Apr. 17, 2013
QVC 7.125% Senior Secured Notes Due 2017 [Member]
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Dec. 31, 2013
QVC 7.5% Senior Secured Notes Due 2019 [Member]
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Mar. 31, 2013
QVC 7.5% Senior Secured Notes Due 2019 [Member]
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Dec. 31, 2012
QVC 7.5% Senior Secured Notes Due 2019 [Member]
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Dec. 31, 2013
QVC 7.5% Senior Secured Notes Due 2019 [Member]
Senior secured note [Member]
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Dec. 31, 2013
QVC 7.375% Senior Secured Notes Due 2020 [Member]
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Dec. 31, 2013
QVC 7.375% Senior Secured Notes Due 2020 [Member]
Senior secured note [Member]
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Dec. 31, 2013
QVC Bank Credit Facilities [Member]
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Dec. 31, 2013
TripAdvisor Debt Facilities [Member]
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Dec. 31, 2013
TripAdvisor Debt Facilities [Member]
Line of Credit [Member]
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Dec. 31, 2013
TripAdvisor Chinese Credit Facilities [Member]
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Dec. 31, 2012
TripAdvisor Chinese Credit Facilities [Member]
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Dec. 31, 2013
QVC 5.95% Senior Secured Notes due 2043 [Member]
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Mar. 18, 2013
QVC 5.95% Senior Secured Notes due 2043 [Member]
Senior secured note [Member]
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Dec. 31, 2013
QVC 5.125% Senior Secured Notes due 2022 [Member]
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Dec. 31, 2013
QVC 5.125% Senior Secured Notes due 2022 [Member]
Senior secured note [Member]
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Jun. 30, 2013
Principal payment per Exchangeable Senior Debenture [Member]
3.125% Exchangeable Senior Debentures Due 2023 [Member]
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Jun. 30, 2012
principal repayment per debenture [Member]
3.5% Exchangeable Senior Debentures Due 2031 [Member]
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Dec. 31, 2013
Adjusted face amount per debenture [Member]
3.5% Exchangeable Senior Debentures Due 2031 [Member]
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Dec. 31, 2013
Interactive Group [Member]
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Dec. 31, 2012
Interactive Group [Member]
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Dec. 31, 2011
Interactive Group [Member]
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Mar. 31, 2013
Interactive Group [Member]
QVC 7.5% Senior Secured Notes Due 2019 [Member]
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Dec. 31, 2013
QVC [Member]
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Dec. 31, 2012
QVC [Member]
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Dec. 31, 2013
TripAdvisor, Inc. [Member]
Line of Credit [Member]
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Dec. 31, 2013
TripAdvisor, Inc. [Member]
Term loan [Member]
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Dec. 31, 2013
TripAdvisor, Inc. [Member]
Revolving Credit Facility [Member]
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Dec. 31, 2013
Margin over base rate [Member]
QVC Bank Credit Facilities [Member]
Alternate Base Rate [Member]
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Dec. 31, 2013
Margin over LIBOR rate [Member]
QVC Bank Credit Facilities [Member]
LIBOR loan [Member]
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May 22, 2012
Motorola Mobility Holdings, Inc. [Member]
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| Debt Instrument, Basis Spread on Variable Rate | 2.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument Principal amount tendered and retired | $ 1,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-Term Debt, outstanding principal | 7,533,000,000 | 750,000,000 | 0 | 287,000,000 | 504,000,000 | 0 | 850,000,000 | 439,000,000 | 439,000,000 | 363,000,000 | 0 | 400,000,000 | 0 | 769,000,000 | 500,000,000 | 922,000,000 | 369,000,000 | 300,000,000 | 500,000,000 | 5,073,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Debt, Current | 978,000,000 | 1,638,000,000 | 870,000,000 | 39,000,000 | 265,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Business Acquisition, Share Price | $ 40 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Repurchase Amount | 414,000,000 | 518,000,000 | 259,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Repayments of Debt | 111,000,000.000 | 0 | 184.096 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Face Amount | 750,000,000 | 850,000,000 | 400,000,000 | 1,000,000,000 | 500,000,000 | 300,000,000 | 500,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt issuance price as a percent of par | 98.28% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage | 4.38% | 0.75% | 1.00% | 0.00% | 5.95% | 0.225% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Gains (Losses) on Extinguishment of Debt | 57,000,000 | 0 | 0 | 57,000,000 | 57,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt instrument, face amount per debenture | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 619 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Convertible, Conversion Ratio | 19.1360 | 4.8033 | 1.7396 | 6.3040 | 5.1635 | 11.4743 | 0.7860 | 8.3882 | 0.5746 | 5.2598 | 4.6024 | 9.2833 | 9.2833 | 13.4580 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Common Stock, Dividends, Per Share, Declared | $ 0.18 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Exchangeable Senior Debentures remaining principal outstanding upon partial redemption | 100,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Unamortized Discount | 5,000,000 | 6,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Repurchased Face Amount | 231,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line of Credit Facility, Maximum Borrowing Capacity | 2,000,000,000 | 600,000,000 | 400,000,000 | 0 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| standby letters of credit | 250,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Incremental borrowing capacity | 1,000,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum | 0.25% | 1.25% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum | 1.00% | 2.00% | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line of Credit Facility, Remaining Borrowing Capacity | 1,100,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Derivative, Notional Amount | 3,100,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months | 118,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term Debt, Maturities, Repayments of Principal in Year Two | 62,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term Debt, Maturities, Repayments of Principal in Year Three | 282,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term Debt, Maturities, Repayments of Principal in Year Four | 43,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Long-term Debt, Maturities, Repayments of Principal in Year Five | 946,000,000 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Repayments of Long-term Debt | 5,474,000,000 | 1,512,000,000 | 899,000,000 | 3,056,000,000 | 1,392,000,000 | 788,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Line of Credit Facility, Amount Outstanding | $ 29,000,000 | $ 32,000,000 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Debt instrument, alternate base rate spread | 1.00% | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||