Statement Of Changes In Net Assets Available For Benefits [Abstract]
| Concept |
2024-01-01 to 2024-12-31 |
As at 2024-12-31 |
2024-01-01 to 2024-12-31 |
2024-01-01 to 2024-12-31 |
2023-01-01 to 2023-12-31 |
As at 2023-12-31 |
2023-01-01 to 2023-12-31 |
2023-01-01 to 2023-12-31 |
|---|---|---|---|---|---|---|---|---|
| Statement of changes in net assets available for benefits [abstract] | ||||||||
| Reconciliation of changes in net assets available for benefits [abstract] | ||||||||
| Assets (liabilities) of benefit plan | — |
503,000,000
USD
|
— | — | — |
531,000,000
USD
|
— | — |
| Changes in net assets available for benefits [abstract] | ||||||||
| Investment income |
426,000,000
USD
|
— |
—
USD
|
426,000,000
USD
|
427,000,000
USD
|
— |
—
USD
|
427,000,000
USD
|
| Tax expense (income) |
1,864,000,000
USD
|
— |
102,000,000
USD
|
1,762,000,000
USD
|
2,251,000,000
USD
|
— |
86,000,000
USD
|
2,337,000,000
USD
|