XML 65 R52.htm IDEA: XBRL DOCUMENT v3.5.0.2
Derivative Financial Instruments - Effect of Derivative Instruments on Consolidated Statements of Income (Loss) (Parenthetical) (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2016
Derivative Instruments, Gain (Loss) [Line Items]          
Accumulated other comprehensive income (loss), reclassified $ (32) $ (61) $ (84) $ (107)  
Amount of gain (loss) recognized in income on derivative (ineffective portion)     (17) (22)  
Amount of Gain (Loss) Recognized in Income on Derivative (Ineffective Portion and Amount Excluded from Effectiveness Testing)     $ 1 $ (1)  
Scenario, Forecast [Member]          
Derivative Instruments, Gain (Loss) [Line Items]          
Accumulated other comprehensive income (loss), reclassified         $ (94)