v3.6.0.2
Accumulated Other Comprehensive Income (Loss), Net of Tax - Schedule of Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance $ 11,803 $ 801
Balance 11,156 11,803
Net Investment Hedge [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance (521) (331)
Reclassification 521  
Other comprehensive income (loss) before reclassifications 0 (190)
Amounts reclassified out of accumulated other comprehensive income (loss) 0 0
Tax effects 0 0
Other comprehensive income (loss) 0 (190)
Balance 0 (521)
Currency Translation Differences [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance 758 627
Reclassification (521)  
Other comprehensive income (loss) before reclassifications (124) 131
Amounts reclassified out of accumulated other comprehensive income (loss) 0 0
Tax effects 0 0
Other comprehensive income (loss) (124) 131
Balance 113 758
Change in Fair Value Cash Flow Hedges [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance (2) (2)
Other comprehensive income (loss) before reclassifications 0 (2)
Amounts reclassified out of accumulated other comprehensive income (loss) (1) 2
Tax effects 1 0
Other comprehensive income (loss) 0 0
Balance (2) (2)
Net Actuarial Gain/(Losses) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance (54) (85)
Other comprehensive income (loss) before reclassifications (22) 28
Amounts reclassified out of accumulated other comprehensive income (loss) 0 0
Tax effects (5) 3
Other comprehensive income (loss) (27) 31
Balance (81) (54)
Unrealized Gains/Losses Available-for Sale Securities [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance 0 1
Other comprehensive income (loss) before reclassifications 6 (1)
Amounts reclassified out of accumulated other comprehensive income (loss) 0 0
Tax effects (2) 0
Other comprehensive income (loss) 4 (1)
Balance 4 0
Accumulated Other Comprehensive Income (Loss) [Member]    
Accumulated Other Comprehensive Income (Loss) [Line Items]    
Balance 181 210
Reclassification 0  
Other comprehensive income (loss) before reclassifications (140) (34)
Amounts reclassified out of accumulated other comprehensive income (loss) (1) 2
Tax effects (6) 3
Other comprehensive income (loss) (147) (29)
Balance $ 34 $ 181