XML 137 R96.htm IDEA: XBRL DOCUMENT v3.21.1
Leases - Schedule of Commitments under Operating Leases Requiring Annual Payments (Detail) - USD ($)
$ in Millions
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
2021 $ 310  
2022 286  
2023 258  
2024 227  
2025 205  
2026 and thereafter 1,093  
Total 2,379  
Less: amount representing interest 482  
Total lease liabilities 1,897  
Current operating liabilities 241 $ 225
Non-current operating lease liabilities 1,656 $ 1,601
Total lease liabilities $ 1,897