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Schedule I - Condensed Financial Information (Notes to Condensed Financial Statements) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Condensed Financial Statements, Captions [Line Items] |  |  |
Maximum allowable distribution to parent company by consolidated subsidiary without consent | $ 6,300 |  |
Parent Company |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Cash dividends paid | 1,625 | $ 1,775 | $ 405
Total Stockholders' Equity |  |  |
Condensed Financial Statements, Captions [Line Items] |  |  |
Dividend received from subsidiaries | 1,625 | 1,775 | 405
Equity contribution to subsidiaries | $ 0 | $ 0 | $ (988)

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 12 -Subsection 04 -Paragraph a -Publisher SEC Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 5 -Subsection 04 -Paragraph c -Subparagraph Schedule I -Publisher SEC Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 7 -Subsection 05 -Paragraph c -Subparagraph Schedule II -Publisher SEC Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name Regulation S-X (SX) -Number 210 -Section 9 -Subsection 06 -Publisher SEC Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(a)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 Reference 6: http://www.xbrl.org/2003/role/recommendedDisclosureRef -Topic 810 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 11 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481231/810-10-45-11 + Details
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- Definition This element represents disclosure of the aggregate cash dividends paid to the entity by consolidated subsidiaries. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480678/235-10-S99-3 + Details
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- Definition Dividend Received From Subsidiaries + References No definition available. + Details
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