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Other Financial Assets - Schedule of Other Trade Deposits and Loans (Detail) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Other Trade Deposits With No Significant Increase In Credit Risk [Member] |  |
Disclosure of financial assets [line items] |  |
Gross Amounts of Trade deposits and loans | $ 8 | $ 6
Provision for expected credit loss allowance financial assets | 0 | 0
Net Amounts of Trade deposits and loans | 8 | 6
Other Trade Deposits With Significant Increase In Credit Risk [Member] | Not past due [Member] |  |
Disclosure of financial assets [line items] |  |
Gross Amounts of Trade deposits and loans | 1 | 7
Provision for expected credit loss allowance financial assets | (1) | (5)
Net Amounts of Trade deposits and loans | 0 | 2
Other Trade Deposits With Significant Increase In Credit Risk [Member] | Past due [Member] |  |
Disclosure of financial assets [line items] |  |
Gross Amounts of Trade deposits and loans | 11 | 10
Provision for expected credit loss allowance financial assets | (11) | (10)
Net Amounts of Trade deposits and loans | 0 | 0
Trade deposits and loans [member] |  |
Disclosure of financial assets [line items] |  |
Gross Amounts of Trade deposits and loans | 20 | 23
Provision for expected credit loss allowance financial assets | (12) | (15)
Net Amounts of Trade deposits and loans | $ 8 | $ 8

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