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Tax - Summary of Unrecognized Deferred Tax Based on Expiry Date (Detail) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
2022 [member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount   $ 10
Unrecognised deferred tax $ 0 3
2023 [member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount 1 2
Unrecognised deferred tax 0  
2024 [member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount 4 4
Unrecognised deferred tax 1 1
2025 [member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount 9 100
Unrecognised deferred tax 1 25
2026 [member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount 18 13
Unrecognised deferred tax 4 2
2027 [Member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount 3  
Unrecognised deferred tax 0  
2028 [member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount   6
Unrecognised deferred tax   2
2029 [member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount 10 10
Unrecognised deferred tax 10 10
After 2029 [member]    
Unrecognised deferred tax position [line items]    
Gross carrying amount 18 2
Unrecognised deferred tax $ 16 $ 1