Debt 2022 First Lien Notes (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Gains (Losses) on Extinguishment of Debt	$ (144,000,000)	$ (30,000,000)	$ (94,000,000)
2022 First Lien Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	750,000,000
Debt Instrument, Interest Rate, Stated Percentage	6.00%
Long Term Debt net of Original Issuance Disount	99.193%
Deferred Finance Costs, Net	12,000,000
Gains (Losses) on Extinguishment of Debt	$ 51,000,000