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Debt - Summary of Debt (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Nov. 22, 2021
Mar. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]        
Other debt $ 9     $ 19
Total debt 4,886     5,607
Short-term debt and current portion of long-term debt (3)     (466)
Long-term debt $ 4,883     5,141
3.15% senior notes due 2021        
Debt Instrument [Line Items]        
Interest rate 3.15% 3.15%    
Senior notes $ 0     94
3.75% senior notes due 2021        
Debt Instrument [Line Items]        
Interest rate 3.75%      
Senior notes $ 0     369
4.00% senior notes due 2022        
Debt Instrument [Line Items]        
Interest rate 4.00% 4.00%    
Senior notes $ 0     250
3.85% senior notes due 2023        
Debt Instrument [Line Items]        
Interest rate 3.85%   3.85%  
Senior notes $ 1,086     1,090
4.00% senior notes due 2024        
Debt Instrument [Line Items]        
Interest rate 4.00%      
Senior notes $ 200     200
4.875% senior notes due 2025        
Debt Instrument [Line Items]        
Interest rate 4.875%      
Senior notes $ 494     492
3.90% senior notes due 2025        
Debt Instrument [Line Items]        
Interest rate 3.90%      
Senior notes $ 47     47
4.20% senior notes due 2026        
Debt Instrument [Line Items]        
Interest rate 4.20%      
Senior notes $ 1,975     1,973
5.375% senior notes due 2036        
Debt Instrument [Line Items]        
Interest rate 5.375%      
Senior notes $ 417     416
5.50% senior notes due 2046        
Debt Instrument [Line Items]        
Interest rate 5.50%      
Senior notes $ 658     $ 657