Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Debt Excluding Intergroup Debt) (Details)

v2.4.0.8
Long-Term Debt (Debt Excluding Intergroup Debt) (Details) (USD $)
In Millions, unless otherwise specified
Jun. 30, 2014
Dec. 31, 2013
Debt Instrument [Line Items]    
Debt face amount $ 5,933  
Total debt 5,939 5,555
Less debt classified as current (762) (777)
Total long-term debt 5,177 4,778
1.375% Cash Convertible Senior Notes due 2023
    
Debt Instrument [Line Items]    
Debt face amount 1,000  
Total debt 1,025 1,002
Debt instrument interest rate 1.375%  
Margin loan
    
Debt Instrument [Line Items]    
Debt face amount 250  
Total debt 250 920
Sirius XM 7% Exchangeable Senior Subordinated Notes due 2014
    
Debt Instrument [Line Items]    
Debt face amount 491  
Total debt 504 520
Debt instrument interest rate 7.00%  
Sirius XM 5.875% Senior Notes due 2020
    
Debt Instrument [Line Items]    
Debt face amount 650  
Total debt 643 643
Debt instrument interest rate 5.875%  
Sirius XM 5.75% Senior Notes due 2021
    
Debt Instrument [Line Items]    
Debt face amount 600  
Total debt 595 594
Debt instrument interest rate 5.75%  
Sirius XM 5.25% Senior Notes due 2022
    
Debt Instrument [Line Items]    
Debt face amount 400  
Total debt 407 407
Debt instrument interest rate 5.25%  
Sirius XM 4.25% Senior Notes due 2020
    
Debt Instrument [Line Items]    
Debt face amount 500  
Total debt 495 494
Debt instrument interest rate 4.25%  
Sirius XM 4.625% Senior Notes due 2023
    
Debt Instrument [Line Items]    
Debt face amount 500  
Total debt 495 495
Debt instrument interest rate 4.625%  
Sirius XM 6.00% Senior Notes Due 2024 [Member]
    
Debt Instrument [Line Items]    
Debt face amount 1,500  
Total debt 1,483 0
Debt instrument interest rate 6.00%  
Sirius XM credit facility
    
Debt Instrument [Line Items]    
Debt face amount 0  
Total debt 0 460
Other Debt
    
Debt Instrument [Line Items]    
Debt face amount 42  
Total debt $ 42 $ 20