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Interest-Bearing Loans and Borrowings - Summary of Interest-bearing Loans and Borrowings (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
CURRENT LIABILITIES    
Commercial papers $ 0 $ 1,500
Non-Current Liabilities [Member]    
NON-CURRENT LIABILITIES    
Secured bank loans 75 46
Unsecured bond issues 85,433 93,523
Unsecured other loans 31 73
Lease liabilities 1,830 1,837
Non-current interest-bearing loans and borrowings 87,369 95,478
Current Liabilities [member]    
CURRENT LIABILITIES    
Secured bank loans 553 656
Commercial papers 0 1,522
Unsecured bank loans 106 294
Unsecured bond issues 293 202
Unsecured other loans 9 10
Lease liabilities 447 397
Current interest-bearing loans and borrowings $ 1,408 $ 3,081