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ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax |  |  |
Beginning balance, tax effect | $ 796 | $ 782 | $ 1,184
Beginning balance | 11,105 | 6,582 | 3,887
Changes in value, tax effect | (199) | 71 | (330)
Changes in value (net of tax effect) | 662 | (233) | 1,089
Reclassifications into earnings, tax effect | (61) | (57) | (72)
Reclassification into earnings (net of tax effect) | 204 | 189 | 240
Ending balance, tax effect | 536 | 796 | 782
Ending balance | 15,293 | 11,105 | 6,582
Deferred income tax expense in AOCI that will not be recognized until obligation is fully extinguished | 750 | 750 | 750
Accumulated Other Comprehensive Loss |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |
Beginning balance | (5,845) | (5,801) | (7,130)
Ending balance | (4,979) | (5,845) | (5,801)
Pension and Other Benefits Liabilities |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |
Beginning balance, AOCI before tax | (6,681) | (6,624) | (8,355)
Changes in value | 859 | (303) | 1,419
Reclassifications into earnings | 265 | 246 | 312
Ending balance, AOCI before tax | (5,557) | (6,681) | (6,624)
Other |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |
Beginning balance, AOCI before tax | 40 | 41 | 41
Changes in value | 2 | (1) | 0
Reclassifications into earnings | 0 | 0 | 0
Ending balance, AOCI before tax | $ 42 | $ 40 | $ 41

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