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ACCUMULATED OTHER COMPREHENSIVE LOSS (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2023 | Mar. 31, 2022
AOCI Attributable to Parent, Net of Tax |  |
Beginning balance, tax effect | $ 782 | $ 1,184
Beginning balance | 6,582 | 3,887
Reclassifications into earnings, tax effect | (15) | (18)
Reclassification into earnings (net of tax effect) | 47 | 59
Ending balance, tax effect | 767 | 1,166
Ending balance | 6,260 | 2,991
Accumulated Other Comprehensive Loss |  |
AOCI Attributable to Parent, Net of Tax |  |
Beginning balance | (5,801) | (7,130)
Ending balance | (5,754) | (7,071)
Pension and Other Benefits Liabilities |  |
AOCI Attributable to Parent, Net of Tax |  |
Beginning balance, AOCI before tax | (6,624) | (8,355)
Reclassifications into earnings | 62 | 77
Ending balance, AOCI before tax | (6,562) | (8,278)
Other |  |
AOCI Attributable to Parent, Net of Tax |  |
Beginning balance, AOCI before tax | 41 | 41
Reclassifications into earnings | 0 | 0
Ending balance, AOCI before tax | $ 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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