Quarterly report pursuant to Section 13 or 15(d)

Assets And Liabilities Measured At Fair Value Assets and Liabilities Measured at Fair Value (Realized and Unrealized Gains (Losses) on Financial Assets (Details)

v2.4.0.8
Assets And Liabilities Measured At Fair Value Assets and Liabilities Measured at Fair Value (Realized and Unrealized Gains (Losses) on Financial Assets (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Oct. 17, 2013
1.375% Cash Convertible Senior Notes due 2023
Mar. 31, 2014
Fair Value Option Securities
Mar. 31, 2013
Fair Value Option Securities
Mar. 31, 2014
Convertible Notes Payable
Mar. 31, 2013
Convertible Notes Payable
Mar. 31, 2014
Other Financial Instruments
Mar. 31, 2013
Other Financial Instruments
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                  
Realized and unrealized (gains) losses on financial instruments, net $ (65) $ 97   $ (15) $ 82 $ 59 [1] $ 0 [1] $ (109) [2] $ 15 [2]
Debt face amount $ 4,719   $ 1,000            
[1] Liberty issued $1 billion of cash convertible notes in October 2013 which are accounted for at fair value (Level 2), as elected by Liberty at the issuance of the notes.
[2] rked to market based on the trading price of underlying securities and other observable market data as the significant inputs (Level 2).