XML 41 R53.htm IDEA: XBRL DOCUMENT v3.3.0.814
Accumulated Other Comprehensive Income - Components of Accumulated Other Comprehensive Income (Parenthetical) (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax $ 9 $ 5 $ 17 $ (2)
Derivative Instruments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax     17  
Amounts reclassified from accumulated other comprehensive income (loss), tax     (11)  
Available-for-Sale Securities [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax     (1)  
Amounts reclassified from accumulated other comprehensive income (loss), tax     0  
Foreign Currency Translation Adjustments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax     0  
Amounts reclassified from accumulated other comprehensive (income) loss, tax     0  
Post - Retirement Benefit Plans [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Other comprehensive income (loss), tax     0  
Amounts reclassified from accumulated other comprehensive income, tax     $ 0