Leases - Summary of Future Aggregate Undiscounted Lease Payments to be Received (Detail) - USD ($)
$ in Millions |
Dec. 31, 2021 |
Dec. 31, 2020 |
| Disclosure of maturity analysis of operating lease payments [line items] |
|
|
| Total undiscounted lease payments to be received |
$ 27
|
$ 36
|
| Unearned finance income |
(2)
|
(3)
|
| Net investment in leases |
25
|
33
|
| Within 1 year [Member] |
|
|
| Disclosure of maturity analysis of operating lease payments [line items] |
|
|
| Total undiscounted lease payments to be received |
7
|
8
|
| Between 1 and 2 years [Member] |
|
|
| Disclosure of maturity analysis of operating lease payments [line items] |
|
|
| Total undiscounted lease payments to be received |
7
|
7
|
| Between 2 and 3 years [Member] |
|
|
| Disclosure of maturity analysis of operating lease payments [line items] |
|
|
| Total undiscounted lease payments to be received |
6
|
7
|
| Between 3 and 4 years [Member] |
|
|
| Disclosure of maturity analysis of operating lease payments [line items] |
|
|
| Total undiscounted lease payments to be received |
5
|
7
|
| Between 4 and 5 years [Member] |
|
|
| Disclosure of maturity analysis of operating lease payments [line items] |
|
|
| Total undiscounted lease payments to be received |
1
|
5
|
| Later than 5 years [Member] |
|
|
| Disclosure of maturity analysis of operating lease payments [line items] |
|
|
| Total undiscounted lease payments to be received |
$ 1
|
$ 2
|