|
Stockholders' Equity (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
3 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
Aug. 09, 2012
|
|
| Subscription Agreement Amount | Ìý | Ìý | Ìý | Ìý | $ 0 |
| Stock Issued During Period, Shares, Other | 9,000,000 | Ìý | Ìý | Ìý | Ìý |
| Proceeds from Issuance of Common Stock | 328 | 328 | 0 | 0 | Ìý |
| Class Of Warrant Or Right Weighted Average Exercise Price Of Warrants Or Rights | $ 18.28 | $ 18.28 | Ìý | Ìý | Ìý |
|
Segment, Liberty Capital [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Stock Repurchased and Retired During Period, Shares | Ìý | Ìý | 3,146,913 | 15,632,700 | Ìý |
| Stock Repurchased and Retired During Period, Value | Ìý | Ìý | 213 | 714 | Ìý |
|
Segment, Liberty Interactive [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Stock Repurchased and Retired During Period, Shares | Ìý | 44,668,431 | 23,864,733 | Ìý | Ìý |
| Stock Repurchased and Retired During Period, Value | Ìý | 815 | 366 | Ìý | Ìý |
|
Segment, Liberty Starz [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Stock Repurchased and Retired During Period, Shares | Ìý | Ìý | Ìý | 835,700 | Ìý |
| Stock Repurchased and Retired During Period, Value | Ìý | Ìý | Ìý | 40 | Ìý |
|
Common Class C [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Common Stock, Shares Authorized | 4,000,000,000 | 4,000,000,000 | Ìý | Ìý | Ìý |
|
Interactive Group [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Proceeds from Issuance of Common Stock | Ìý | 0 | Ìý | Ìý | Ìý |
| Option Indexed to Issuer's Equity, Indexed Shares | 1,000,000 | 1,000,000 | Ìý | Ìý | Ìý |
|
Interactive Group [Member] | Series A [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 33,839,000 | 33,839,000 | 45,223,000 | Ìý | Ìý |
|
Interactive Group [Member] | Common Class B [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Common Stock, Shares Authorized | 150,000,000 | 150,000,000 | Ìý | Ìý | Ìý |
|
Ventures Group [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 1,155,000 | 1,155,000 | 0 | Ìý | Ìý |
| Proceeds from Issuance of Common Stock | Ìý | $ 328 | Ìý | Ìý | Ìý |
|
Ventures Group [Member] | Series A [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 1,155,000 | 1,155,000 | Ìý | Ìý | Ìý |
|
Ventures Group [Member] | Common Class B [Member]
|
Ìý | Ìý | Ìý | Ìý | Ìý |
| Common Stock, Shares Authorized | 7,500,000 | 7,500,000 | Ìý | Ìý | Ìý |