Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2024 |
Sep. 30, 2023 |
Sep. 30, 2024 |
Sep. 30, 2023 |
|
| Deferred Taxes | ||||
| Balance beginning | $ (337) | $ (397) | $ (347) | $ (416) |
| Changes in value | (2) | (3) | (3) | 1 |
| Amounts reclassified to earnings | 5 | 7 | 16 | 22 |
| Balance ending | (334) | (393) | (334) | (393) |
| Total | ||||
| Balance beginning | 10,526 | 7,705 | 9,324 | 6,896 |
| Changes in value | 8 | 14 | 12 | (3) |
| Amounts reclassified to earnings | (20) | (26) | (59) | (81) |
| Balance ending | 11,437 | 8,853 | 11,437 | 8,853 |
| Accumulated Other Comprehensive Income (Loss) | ||||
| Total | ||||
| Balance beginning | (97) | 103 | (62) | 175 |
| Balance ending | (109) | 91 | (109) | 91 |
| Deferred income tax expense | 285 | 285 | 285 | 285 |
| Pension and Other Postretirement Liabilities | ||||
| Before Tax | ||||
| Balance beginning | 245 | 539 | 289 | 626 |
| Changes in value | (5) | 7 | 1 | (10) |
| Amounts reclassified to earnings | (25) | (33) | (75) | (103) |
| Balance ending | 215 | 513 | 215 | 513 |
| Investments and Other | ||||
| Before Tax | ||||
| Balance beginning | (5) | (39) | (4) | (35) |
| Changes in value | 15 | 10 | 14 | 6 |
| Amounts reclassified to earnings | 0 | 0 | 0 | 0 |
| Balance ending | $ 10 | $ (29) | $ 10 | $ (29) |
| X | ||||||||||
- Definition AOCI Attributable To Parent, Before Tax [Roll Forward] No definition available.
|
| X | ||||||||||
- Definition AOCI Attributable To Parent, Tax [Roll Forward] No definition available.
|
| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
|
| X | ||||||||||
- Definition Amount before tax of increase (decrease) in accumulated equity from transactions and other events and circumstances from non-owner sources, attributable to parent. Excludes net income (loss), and accumulated changes in equity from transactions resulting from investments by owners (distributions to owners). No definition available.
|
| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to accumulated other comprehensive income (loss) attributable to parent. No definition available.
|
| X | ||||||||||
- Definition Amount of deferred income tax expense (benefit) and income tax credits. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before tax and reclassification adjustments of other comprehensive income (loss) attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount after tax, before reclassification adjustments, of other comprehensive income (loss), attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of tax expense (benefit) allocated to other comprehensive income (loss) before reclassification adjustment from accumulated other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount before tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount after tax of reclassification adjustments of other comprehensive income (loss) attributable to parent. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income (loss). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|