XML 100 R87.htm IDEA: XBRL DOCUMENT v3.5.0.2
Other Income, Net Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
May 17, 2011
Debt Instrument [Line Items]          
Loss on extinguishment of debt $ 0 $ 0 $ 0 $ (52)  
Senior Notes | Senior Notes, 6.125% Due 2021          
Debt Instrument [Line Items]          
Debt Instrument, Interest Rate, Stated Percentage         6.125%
Loss on extinguishment of debt       $ (52)