|
Other Income, Net Other Income (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Mar. 31, 2015
|
Mar. 31, 2014
|
May 17, 2011
|
|
| Debt Instrument [Line Items] | |||
| Loss on extinguishment of debt | $ (52) | $ (34) | |
| Gain on insurance recovery | 0 | 14 | |
| Notes Payable, Other Payables | Senior Notes, 6.125% Due 2021 | |||
| Debt Instrument [Line Items] | |||
| Debt Instrument, Interest Rate, Stated Percentage | 6.125% | 6.125% | |
| Loss on extinguishment of debt | $ (52) | ||