v3.3.0.814

Debt (Debt Textuals) (Details) - USD ($) $ in Millions		3 Months Ended				9 Months Ended
		Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Effective Percentage		5.40%			6.00%	5.40%	6.00%
Long-term Debt		$ 11,157				$ 11,157		$ 11,122
Gains (Losses) on Extinguishment of Debt		0			$ (340)	(32)	$ (341)
Senior Unsecured Notes 2024 [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 650
Debt Instrument, Interest Rate, Stated Percentage				5.50%
Long-term Debt		650				650		0
Deferred Finance Costs, Net				$ 9
First Lien Notes 2023 [Member]
Debt Instrument [Line Items]
Long-term Debt	[1]	693				693		840
Gains (Losses) on Extinguishment of Debt				(19)
2022 First Lien Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 1,600
Percentage of the principal amount of the 2022 First Lien Term Loan to be paid quarterly			0.25%
Debt Issuance Cost			$ 13
Long-term Debt		$ 1,587				$ 1,587		$ 0
Deferred Finance Costs, Net			$ 6
Early Redemption Amount [Member] | First Lien Notes 2023 [Member]
Debt Instrument [Line Items]
Long-term Debt				$ 147
Federal Funds Effective Rate [Member] | 2022 First Lien Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			0.50%
Eurodollar Rate For A One Month Interest Period [Member] | 2022 First Lien Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.00%
Prime Rate Or The Eurodollar Rate For a One Month Interest Period [Member] | 2022 First Lien Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			1.75%
London Interbank Offered Rate (LIBOR) [Member] | 2022 First Lien Term Loan [Member]
Debt Instrument [Line Items]
Debt Instrument, Basis Spread on Variable Rate			2.75%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum			0.75%
[1] On February 3, 2015, we repurchased approximately $147 million of our 2023 First Lien Notes with the proceeds from our 2024 Senior Unsecured Notes, as described in further detail above.

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