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Accumulated Other Comprehensive Income (Loss) | 12 Months Ended
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Dec. 31, 2023
Equity [Abstract] |
ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ("AOCI") | ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) ("AOCI") The tables below present the components of the Company's AOCI, net of tax (in millions):
|  | Pension and Other Postretirement Liabilities |  | Investments and Other |  | Deferred Taxes (a) |  | Total
Balance at December 31, 2020 |  | $ | (1,102) |  |  | $ | 2 |  |  | $ | (39) |  |  | $ | (1,139) |
Change in value |  | 239 |  |  | (2) |  |  | (53) |  |  | 184 |
Amounts reclassified to earnings |  | 16 |  | (b) | — |  |  | (3) |  |  | 13 |
Balance at December 31, 2021 |  | (847) |  |  | — |  |  | (95) |  |  | (942) |
Change in value |  | 1,474 |  |  | (35) |  |  | (321) |  |  | 1,118 |
Amounts reclassified to earnings |  | (1) |  | (b) | — |  |  | — |  |  | (1) |
Balance at December 31, 2022 |  | 626 |  |  | (35) |  |  | (416) |  |  | 175 |
Change in value |  | (199) |  |  | 31 |  |  | 38 |  |  | (130) |
Amounts reclassified to earnings |  | (138) |  | (b) | — |  |  | 31 |  |  | (107) |
Balance at December 31, 2023 |  | $ | 289 |  |  | $ | (4) |  |  | $ | (347) |  |  | $ | (62) |
(a)Includes approximately $285 million of deferred income tax expense that will not be recognized in net income until the related pension and postretirement benefit obligations are fully extinguished. We consider all income sources, including other comprehensive income, in determining the amount of tax benefit allocated to results from operations. (b)This AOCI component is included in the computation of net periodic pension and other postretirement costs, specifically the following components: amortization of unrecognized (gain) loss, amortization of prior service credit and other. See Note 7 of this report for additional information on pensions and other postretirement liabilities.

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
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