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Leases - Schedule of Commitments under Operating Leases Requiring Annual Payments (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Leases [Abstract]    
2022 $ 300  
2023 268  
2024 234  
2025 205  
2026 176  
2027 and thereafter 835  
Total 2,018  
Less: amount representing interest 338  
Total lease liabilities 1,680  
Current operating liabilities 274 $ 241
Non-current operating lease liabilities 1,406 $ 1,656
Total lease liabilities $ 1,680