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Trade and Other Receivables - Summary of Expected Credit Loss Allowance for Receivables (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract]      
At 1 January $ 140 $ 133 $ 153
Translation adjustment (5) 5 (1)
Disposed of during year (1) (4) (34)
Written off during year (14) (23) (29)
Arising on acquisition (note 30) 1   1
Net remeasurement of expected credit loss allowance 10 29 43
At 31 December $ 131 $ 140 $ 133