XML 162 R127.htm IDEA: XBRL DOCUMENT v3.22.1
Financial Instruments - Summary of Movements in Allowance for Impairment in Respect of Loans and Advances (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about financial instruments [abstract]    
At January 1 $ 9 $ 13
Impairment loss recognized 11 10
Amounts written off (9) (14)
Exchange translation differences [1]
At December 31 $ 11 $ 9
[1] Amount less than $1 million