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ACCUMULATED OTHER COMPREHENSIVE LOSS (Tables) | 12 Months Ended
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Dec. 31, 2024
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] |
Schedule of Components of Accumulated Other Comprehensive Loss |
Components of accumulated other comprehensive loss |  |  |  |  |
(in millions) | Pension and Other Benefits Liabilities(2) | Other |  | Tax Effect | Total
Balance at January 1, 2022 | $ | (8,355) |  | $ | 41 |  |  | $ | 1,184 |  | $ | (7,130) |
Changes in value | 1,419 |  | — |  |  | (330) |  | 1,089 |
Reclassifications into earnings(1) | 312 |  | — |  |  | (72) |  | 240 |
Balance at December 31, 2022 | (6,624) |  | 41 |  |  | 782 |  | (5,801) |
Changes in value | (303) |  | (1) |  |  | 71 |  | (233) |
Reclassifications into earnings(1) | 246 |  | — |  |  | (57) |  | 189 |
Balance at December 31, 2023 | (6,681) |  | 40 |  |  | 796 |  | (5,845) |
Changes in value | 859 |  | 2 |  |  | (199) |  | 662 |
Reclassifications into earnings(1) | 265 |  | — |  |  | (61) |  | 204 |
Balance at December 31, 2024 | $ | (5,557) |  | $ | 42 |  |  | $ | 536 |  | $ | (4,979) |
(1)Amounts reclassified from AOCI for pension and other benefits liabilities are recorded in miscellaneous, net in non-operating expense in our income statement. (2)Includes approximately $750 million of deferred income tax expense as a result of tax law changes and prior valuation allowance releases through continuing operations, that will not be recognized in net income until pension and other benefit obligations are fully extinguished.

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