Debt Obligations (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014		Dec. 31, 2013		Dec. 19, 2013
Debt Instrument [Line Items]
Short-term borrowings	$ 83		$ 34
Long-term debt	3,840		3,320
Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate	2.66%	[1]	2.55%	[1]
Long-term debt	1,297	[1]	1,087	[1]
Other Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate	7.16%	[2]	7.21%	[2]
Long-term debt	28	[2]	33	[2]
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Long-term Debt, Weighted Average Interest Rate	2.22%	[1]
Long-term debt	315	[1]	0	[1]
5% Notes Due 2022 [Member]
Debt Instrument [Line Items]
Long-term debt	600		600
4.625% Notes Due 2021 [Member] [Member]
Debt Instrument [Line Items]
Long-term debt	500		500
5.875% Notes due 2021 [Member]
Debt Instrument [Line Items]
Long-term debt	400		400		400
6.375% Notes due 2023 [Member]
Debt Instrument [Line Items]
Long-term debt	700		700		700
Term Loan [Member]
Debt Instrument [Line Items]
Long-term Debt, Current Maturities	68		28
Short-term Debt, Weighted Average Interest Rate	2.66%		2.55%
Other Debt [Member]
Debt Instrument [Line Items]
Short-term borrowings	$ 15	[2]	$ 6	[2]
Short-term Debt, Weighted Average Interest Rate	7.46%	[2]	7.11%	[2]

[1] Interest rates are weighted average interest rates as of June 30, 2014 and December 31, 2013 related to the Senior Secured Credit Facility, which incorporate the impact of the interest rate swap agreement described in Note 11, "Derivatives and Hedging Instruments."

[2] Interest rates are weighted average interest rates as of June 30, 2014 and December 31, 2013 primarily related to various international credit facilities and a note payable in the U.S.