XML 161 R126.htm IDEA: XBRL DOCUMENT v3.22.1
Financial Instruments - Summary of Exposure to Credit Risk and ECLs for Loans and Advances (Detail) - Loans to consumers [member] - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure Details Of Exposure To Credit Risk And Expected Credit Loss [line items]    
Gross carrying amount $ 118 $ 40
Loss allowance $ (11) $ (9)
Current (not past due) [member]    
Disclosure Details Of Exposure To Credit Risk And Expected Credit Loss [line items]    
Weighted average loss rate 5.37% 7.19%
Gross carrying amount $ 97 $ 29
Loss allowance $ (5) $ (2)
Credit- impaired No No
1 – 30 days past due [member]    
Disclosure Details Of Exposure To Credit Risk And Expected Credit Loss [line items]    
Weighted average loss rate 12.84% 42.85%
Gross carrying amount $ 16 $ 5
Loss allowance $ (2) $ (2)
Credit- impaired No No
31 – 60 days past due [member]    
Disclosure Details Of Exposure To Credit Risk And Expected Credit Loss [line items]    
Weighted average loss rate 46.53% 79.55%
Gross carrying amount $ 2 $ 3
Loss allowance $ (1) $ (2)
Credit- impaired No No
61 – 90 days past due [member]    
Disclosure Details Of Exposure To Credit Risk And Expected Credit Loss [line items]    
Weighted average loss rate 56.23% 80.80%
Gross carrying amount $ 1 $ 1
Loss allowance $ (1) $ (1)
Credit- impaired No No
91 – 120 days past due [member]    
Disclosure Details Of Exposure To Credit Risk And Expected Credit Loss [line items]    
Weighted average loss rate 87.43% 100.00%
Gross carrying amount $ 1 $ 1
Loss allowance $ (1) $ (1)
Credit- impaired Yes Yes
More than 121 days [member]    
Disclosure Details Of Exposure To Credit Risk And Expected Credit Loss [line items]    
Weighted average loss rate 91.12% 100.00%
Gross carrying amount $ 1 $ 1
Loss allowance $ (1) $ (1)
Credit- impaired Yes Yes