Contract With Customer, Liability, Customer Deposits

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Funding Agreement Backed Note, Program, Amount Outstanding

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Amount of the reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder.

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Amount of funds held as security for payments to be received under reinsurance contracts.

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Estimated average rate of return on investments which is included in the calculation of the amount of the specified guaranteed benefit obligation as of the balance sheet date.

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The cash inflow from a borrowing having initial term of repayment within three months.

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Business and Summary of Significant Accounting Policies - Contract Holder Funds, Future Policy Benefits and Secured Trust Deposits (Details) - USD ($) $ in Millions	Feb. 18, 2022	Dec. 31, 2021	Dec. 31, 2020
Ceded Credit Risk [Line Items]
FABN program, amount outstanding		$ 1,900
Funds withheld for reinsurance liabilities		1,676	$ 806
Collateral investments, fair value		2,420	1,471
Secured trust deposits		$ 934	711
Life and Annuity Insurance Product Line \| Minimum
Ceded Credit Risk [Line Items]
Investment yield assumptions		4.30%
Life and Annuity Insurance Product Line \| Maximum
Ceded Credit Risk [Line Items]
Investment yield assumptions		4.10%
PRT Annuities \| Minimum
Ceded Credit Risk [Line Items]
Investment yield assumptions		3.60%
PRT Annuities \| Maximum
Ceded Credit Risk [Line Items]
Investment yield assumptions		3.90%
Federal Home Loan Bank of Atlanta
Ceded Credit Risk [Line Items]
Funds withheld for reinsurance liabilities		$ 1,543	$ 1,203
Federal Home Loan Bank of Atlanta \| Subsequent Event
Ceded Credit Risk [Line Items]
Proceeds from short-term borrowing	$ 200