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Debt (Details) - USD ($) $ in Millions |  | 9 Months Ended
--- | --- | ---
Apr. 15, 2022 | Sep. 30, 2022 | Sep. 30, 2021
Debt Instrument [Line Items] |  |  |
Gain (Loss) on Extinguishment of Debt |  | $ (9) | $ 0
Registration Payment Arrangement, Term |  | three |
Junior Subordinated Notes Seven Point Eight Seventy Five Percent Due in Two Thousand Forty Two |  |  |
Debt Instrument [Line Items] |  |  |
Debt Instrument, Repurchased Face Amount | $ 600 |  |
Debt Instrument, Interest Rate, Stated Percentage | 7.875% |  |
Gain (Loss) on Extinguishment of Debt | $ 9 |  |

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- Definition Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=126972273&loc=d3e12355-112629 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 50 -Section 40 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126972273&loc=d3e12317-112629 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3602-108585 + Details
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