v3.3.0.814
Debt (First Lien Term Loans) (Details) - USD ($)
$ in Millions
Sep. 30, 2015
Dec. 31, 2014
Debt Instrument [Line Items]    
Long-term Debt $ 11,157 $ 11,122
First Lien Term Loans 2018 [Member]    
Debt Instrument [Line Items]    
Long-term Debt 0 1,597
First Lien Term Loan 2019 [Member]    
Debt Instrument [Line Items]    
Long-term Debt 810 816
2020 First Lien Term Loan [Member]    
Debt Instrument [Line Items]    
Long-term Debt 383 386
2022 First Lien Term Loan [Member]    
Debt Instrument [Line Items]    
Long-term Debt 1,587 0
First Lien Term Loans [Member]    
Debt Instrument [Line Items]    
Long-term Debt $ 2,780 $ 2,799