Consolidated Supplementary Insurance Information (Income Statement Items) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	$ 3,203	$ 3,673	$ 3,575
Net Investment Income (1)	4,064	4,815	3,528
Policyholder Benefits and Claims, and Interest Credited to Policyholder Account Balances	5,557	4,499	6,750
Amortization of deferred policy acquisition costs and value of business acquired	871	105	696
Other Expenses	1,675	1,800	1,844
Annuities
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	1,997	2,335	2,179
Net Investment Income (1)	2,233	2,196	1,800
Policyholder Benefits and Claims, and Interest Credited to Policyholder Account Balances	2,736	1,646	2,438
Amortization of deferred policy acquisition costs and value of business acquired	811	86	627
Other Expenses	963	1,087	1,043
Life
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	518	640	671
Net Investment Income (1)	376	617	402
Policyholder Benefits and Claims, and Interest Credited to Policyholder Account Balances	835	654	831
Amortization of deferred policy acquisition costs and value of business acquired	71	8	78
Other Expenses	97	160	150
Run-off
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	615	619	642
Net Investment Income (1)	1,146	1,900	1,264
Policyholder Benefits and Claims, and Interest Credited to Policyholder Account Balances	1,796	2,108	3,421
Amortization of deferred policy acquisition costs and value of business acquired	0	0	0
Other Expenses	292	191	185
Corporate & Other
SEC Schedule, 12-16, Insurance Companies, Supplementary Insurance Information [Line Items]
Premiums and Universal Life and Investment-Type Product Policy Fees	73	79	83
Net Investment Income (1)	309	102	62
Policyholder Benefits and Claims, and Interest Credited to Policyholder Account Balances	190	91	60
Amortization of deferred policy acquisition costs and value of business acquired	(11)	11	(9)
Other Expenses	$ 323	$ 362	$ 466