v2.4.0.8
Other Income, Net Other Income (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Amended and Restated Credit Agreement [Member]
Jun. 30, 2013
Amended and Restated Credit Agreement [Member]
Jun. 30, 2014
Notes Payable, Other Payables [Member]
Senior Notes, 5.875% Due 2019 [Member]
Dec. 31, 2013
Notes Payable, Other Payables [Member]
Senior Notes, 5.875% Due 2019 [Member]
May 17, 2011
Notes Payable, Other Payables [Member]
Senior Notes, 5.875% Due 2019 [Member]
Debt Instrument [Line Items]                  
Debt Instrument, Interest Rate, Stated Percentage               5.875% 5.875%
Loss on extinguishment of debt $ 0 $ 0 $ (34) $ (39) $ (1) $ (39) $ (33)    
Gain on insurance recovery $ 0 $ 0 $ 14 $ 0