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Borrowings and other financial liabilities - Summary of detailed information about borrowings and other financial liabilities (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Disclosure of borrowings and other financial liabilities [Line Items]    
Borrowings and other financial liabilities $ 12,788 $ 13,408
Total other current financial liabilities 1,381 607
Total other financial liabilities 20 0
Non-current portion of non-current borrowings 12,395 13,247
Current borrowings 1,136 584
Total borrowings 13,531 13,831
Current borrowings and current portion of non-current borrowings 1,381 607
Borrowings and other financial liabilities 14,169 14,015
Derivative financial instruments    
Disclosure of borrowings and other financial liabilities [Line Items]    
Borrowings and other financial liabilities 393 161
Total other current financial liabilities 225 23
Total other financial liabilities 618 184
Other financial liabilities    
Disclosure of borrowings and other financial liabilities [Line Items]    
Borrowings and other financial liabilities 0 0
Total other current financial liabilities 20 0
Total other financial liabilities 20 0
Total other financial liabilities    
Disclosure of borrowings and other financial liabilities [Line Items]    
Borrowings and other financial liabilities 393 161
Total other current financial liabilities 245 23
Total other financial liabilities $ 638 $ 184