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ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
AOCI Attributable to Parent, Net of Tax |  |  |
Beginning balance, tax effect | $ 1,184 | $ 1,764 | $ 1,549
Beginning balance | 3,887 | 1,534 | 15,358
Changes in value, tax effect | (330) | (484) | 384
Changes in value (net of tax effect) | 1,089 | 1,593 | (1,252)
Reclassification into earnings (net of tax effect) | 240 | 315 | 203
Reclassifications into earnings, tax effect | (72) | (96) | (169)
Ending balance, tax effect | 782 | 1,184 | 1,764
Ending balance | 6,582 | 3,887 | 1,534
Deferred income tax expense in AOCI that will not be recognized until obligation is fully extinguished | 755 | 755 | 755
Accumulated Other Comprehensive Loss |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |
Beginning balance | (7,130) | (9,038) | (7,989)
Ending balance | (5,801) | (7,130) | (9,038)
Pension and Other Benefits Liabilities |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |
Beginning balance, AOCI before tax | (8,355) | (10,843) | (9,563)
Changes in value | 1,419 | 2,077 | (1,652)
Reclassifications into earnings | 312 | 411 | 372
Ending balance, AOCI before tax | (6,624) | (8,355) | (10,843)
Other |  |  |
AOCI Attributable to Parent, Net of Tax |  |  |
Beginning balance, AOCI before tax | 41 | 41 | 25
Changes in value | 0 | 0 | 16
Reclassifications into earnings | 0 | 0 | 0
Ending balance, AOCI before tax | $ 41 | $ 41 | $ 41

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- 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). + References No definition available. + Details
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