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INCOME TAXES - Components of Income Taxes for Other than Continuing Operations (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Income Tax Disclosure [Abstract] |  |  |
Other comprehensive income (loss), Pension and OPEB | $ 10 | $ (425) | $ (206)
Other comprehensive income (loss), Derivative financial instruments | 47 | 26 | (21)
Other comprehensive income (loss), Total | $ 57 | $ (399) | $ (227)

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- Definition Amount, after reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-12 + Details
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