Variable Life and Annuity Contracts - Schedule of Account Balances (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Fair Value, Separate Account Investment [Line Items]
Value of investment options	$ 78,299	$ 101,573
Equity securities
Fair Value, Separate Account Investment [Line Items]
Value of investment options	46,965	62,241
Bond funds
Fair Value, Separate Account Investment [Line Items]
Value of investment options	7,688	9,016
Balanced funds
Fair Value, Separate Account Investment [Line Items]
Value of investment options	22,393	29,311
Money market funds
Fair Value, Separate Account Investment [Line Items]
Value of investment options	$ 1,253	$ 1,005