Income Taxes - Narrative (Details) - USD ($) $ in Millions |
3 Months Ended | |||
|---|---|---|---|---|
Jun. 30, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
Apr. 01, 2024 |
|
| Tax Credit Carryforward [Line Items] | ||||
| Tax Cuts and Jobs Act of 2017 transition tax in current accrued income taxes payable | $ 211 | |||
| Unrecognized tax benefits that would impact effective tax rate | $ 652 | |||
| Undistributed earnings not permanently reinvested | $ 100 | |||
| Discontinued Operations, Disposed of by Means Other than Sale, Spinoff | Health Care Segment | ||||
| Tax Credit Carryforward [Line Items] | ||||
| Ownership interest of outstanding shares ( as a percent) | 80.10% |