Contractual interest rate for funds borrowed, under the debt agreement.

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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.

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Face (par) amount of the original debt instrument that was repurchased.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Debt (Details) - USD ($) $ in Millions		6 Months Ended
Debt (Details) - USD ($) $ in Millions	Apr. 15, 2022	Jun. 30, 2022	Jun. 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]
Gain (Loss) on Extinguishment of Debt	$ 9
Debt Instrument, Repurchased Face Amount	$ 600
Debt Instrument, Interest Rate, Stated Percentage		7.875%