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Income Taxes - Additional Information (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Tax Credit Carryforward [Line Items]        
Effective income tax rate 5.70% 153.70%    
Unrecognized tax benefit $ 38 $ 98 $ 132 $ 78
Decrease in unrecognized tax benefits from resolutions of foreign jurisdiction audit 60 74    
Increase in unrecognized tax position from completion of audits of foreign jurisdictions from prior years 10 31 64  
Decrease in unrecognized tax benefits is reasonably possible 21      
Income tax interest and penalties related to unrecognized tax benefit 0 0 $ 17  
Accrued income tax interest and penalties related to unrecognized tax benefit 11 12    
Foreign tax credit 702      
Net operating loss carry forward 1,213      
Tax-deductible goodwill   $ 194    
Undistributed earnings of foreign subsidiaries $ 757      
Maximum [Member]        
Tax Credit Carryforward [Line Items]        
Period of amortization of goodwill 12 years      
Carry Forward Expiration Year 2020 [Member]        
Tax Credit Carryforward [Line Items]        
Net operating loss carry forward $ 11      
Carry Forward Expiration Year 2022 [Member]        
Tax Credit Carryforward [Line Items]        
Net operating loss carry forward 141      
Carry Forward Expiration Year 2026 [Member]        
Tax Credit Carryforward [Line Items]        
Net operating loss carry forward 285      
Carry Forward Expiration Year 2027 [Member]        
Tax Credit Carryforward [Line Items]        
Net operating loss carry forward 142      
Carry Forward Expiration Year 2028 [Member]        
Tax Credit Carryforward [Line Items]        
Net operating loss carry forward 88      
Carry Forward Expiration Year 2029 [Member]        
Tax Credit Carryforward [Line Items]        
Net operating loss carry forward $ 35