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Risks Arising from Financial Instruments - Summary of Allowance for Impairment (Detail) - Impairment losses [member] - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of impairment loss and reversal of impairment loss [line items]      
Beginning balance $ (376) $ (283) $ (273)
Impairment losses (37) (99) (81)
Derecognition 30 49 57
Currency translation and other (19) (46) 14
Ending balance (402) (376) (283)
Trade receivables [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Beginning balance (308) (173) (160)
Impairment losses (34) (93) (51)
Derecognition 29 7 26
Currency translation and other (18) (50) 12
Ending balance (331) (308) (173)
FVOCI      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Beginning balance (6) (6) (6)
Ending balance (6) (6) (6)
Other receivables [member]      
Disclosure of impairment loss and reversal of impairment loss [line items]      
Beginning balance (62) (103) (106)
Impairment losses (3) (6) (30)
Derecognition 1 42 31
Currency translation and other (1) 4 2
Ending balance $ (65) $ (62) $ (103)