Accumulated Other Comprehensive Income (Loss) - Reclassifications from AOCL to Results of Operations (Details) - Reclassification out of Accumulated Other Comprehensive Income - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
|
| Pension and postretirement benefit plans | ||||
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
| Pretax (income) expense | $ 0 | $ 5 | $ (1) | $ 5 |
| Derivative financial instruments | ||||
| Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items] | ||||
| Pretax (income) expense | $ 5 | $ 1 | $ 9 | $ (8) |