Divestitures (Details) - USD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
May 31, 2024 |
Dec. 31, 2024 |
Dec. 31, 2023 |
Dec. 31, 2022 |
|
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Net realized and unrealized losses(1) | $ (25) | $ (22) | $ (18) | |
| United Kingdom | Engineered Structures | ||||
| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] | ||||
| Net realized and unrealized losses(1) | $ (13) | $ (13) | ||