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Note 20 - Other Postretirement Benefits - Schedule Of Amounts Recognized In Accumulated Other Comprehensive Income Loss (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
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Other Postretirement Benefits Plan [Member] |  |
Net actuarial gain | $ 10 | $ 11

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- Definition Amount, before tax, of accumulated other comprehensive income (loss) for gain (loss) of defined benefit plan, that has not been recognized in net periodic benefit (cost) credit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (j) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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Period Type: | instant

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- Details
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Balance Type: |
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