v2.4.0.6
Debt (Details) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Debt Instrument [Line Items]    
Long-term Debt $ 10,495 $ 10,425
Debt, Current 103 104
Debt, net of current portion 10,392 10,321
Corporate Debt Securities [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 5,892 5,892
First Lien Notes 2017 [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 1,200 1,200
First Lien Notes 2019 [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 400 400
First Lien Notes 2020 [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 1,092 1,092
First Lien Notes 2021 [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 2,000 2,000
First Lien Notes 2023 [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 1,200 1,200
Notes Payable, Other Payables [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 1,767 1,691
Loans Payable [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 1,642 1,646
Secured Debt [Member]
   
Debt Instrument [Line Items]    
Long-term Debt 973 972
Capital Lease Obligations [Member]
   
Debt Instrument [Line Items]    
Long-term Debt $ 221 $ 224