|
Stockholders' Equity (Narrative) (Details) (USD $)
In Millions, except Share data, unless otherwise specified |
1 Months Ended | 0 Months Ended | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Oct. 31, 2012
|
Oct. 10, 2012
Liberty Ventures [Member]
|
Oct. 08, 2012
Liberty Ventures [Member]
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Sep. 30, 2012
Liberty Ventures [Member]
|
Sep. 30, 2012
Liberty Ventures [Member]
Common Class A [Member]
|
Dec. 31, 2011
Liberty Ventures [Member]
Common Class A [Member]
|
Sep. 30, 2012
Liberty Ventures [Member]
Common Class B [Member]
|
Dec. 31, 2011
Liberty Ventures [Member]
Common Class B [Member]
|
Sep. 30, 2012
Liberty Ventures [Member]
Class C [Member]
|
Sep. 30, 2012
Liberty Interactive [Member]
Common Class A [Member]
|
Dec. 31, 2011
Liberty Interactive [Member]
Common Class A [Member]
|
Sep. 30, 2012
Liberty Interactive [Member]
Common Class B [Member]
|
Dec. 31, 2011
Liberty Interactive [Member]
Common Class B [Member]
|
Sep. 30, 2012
Liberty Interactive [Member]
Class C [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number | 1,540,000 | 0 | 22,000 | 0 | 42,440,000 | 45,223,000 | 432,000 | 450,000 | ||||||
| Common Stock, Shares Authorized | 200,000,000 | 0 | 7,500,000 | 0 | 0 | 4,000,000,000 | 4,000,000,000 | 150,000,000 | 150,000,000 | 4,000,000,000 | ||||
| Class of Warrant or Right, Exercise Price of Warrants or Rights | $ 35.99 | |||||||||||||
| Warrants and Rights Outstanding | $ 9 | |||||||||||||
| Proceeds from Issuance or Sale of Equity | $ 412 | $ 328 | ||||||||||||