Consolidated Balance Sheet Parentheticals - USD ($) shares in Millions, $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Statement of Financial Position [Abstract]
Fixed maturities, available for sale, amortized cost	$ 88,277	$ 81,781
Fixed maturities, available for sale, allowance for expected credit losses	2	5
Equity securities, cost	544	553
Restricted cash	131	150
Premiums receivable, allowance for expected credit losses	58	69
Reinsurance recoverables, allowance for estimated uncollectible reinsurance	119	118
Contractholder receivables, allowance for expected credit losses	$ 18	$ 20
Common stock, shares authorized (in shares)	1,750.0	1,750.0
Common stock, shares issued (in shares)	226.6	228.2
Common stock, shares outstanding (in shares)	226.6	228.2
Treasury stock, at cost (in shares)	564.3	559.2