Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Cash Flows [Abstract]
Net cash provided by (used in) operating activities	$ 2,026	$ 2,040
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities available-for-sale	18,737	19,737
Sales, maturities and repayments of equity securities	61	384
Sales, maturities and repayments of mortgage loans	1,345	3,404
Sales, maturities and repayments of real estate and real estate joint ventures	26	83
Sales, maturities and repayments of other limited partnership interests	294	901
Sales, maturities and repayments of short-term investments	3,448	7,250
Purchases of fixed maturity securities available-for-sale	(18,220)	(22,616)
Purchases of equity securities	(3)	(133)
Purchases of mortgage loans	(3,092)	(3,956)
Purchases of real estate and real estate joint ventures	(259)	(286)
Purchases of other limited partnership interests	(435)	(761)
Purchases of short-term investments	(2,716)	(3,264)
Cash received in connection with freestanding derivatives	1,200	1,092
Cash paid in connection with freestanding derivatives	(1,546)	(1,914)
Purchases of investments in operating joint ventures	0	(240)
Net change in policy loans	(4)	35
Net change in other invested assets	(243)	(223)
Other, net	(97)	81
Net cash provided by (used in) investing activities	(1,504)	(426)
Cash flows from financing activities
Policyholder account balances: Deposits	26,963	28,463
Policyholder account balances: Withdrawals	(26,885)	(23,867)
Net change in payables for collateral under securities loaned and other transactions	(1,066)	(1,331)
Long-term debt issued	1,000	0
Long-term debt repaid	(1,012)	(10)
Collateral financing arrangement repaid	(12)	(12)
Financing element on certain derivative instruments and other derivative related transactions, net	60	105
Treasury stock acquired in connection with share repurchases	(780)	(940)
Dividends on preferred stock	(66)	(63)
Dividends on common stock	(389)	(397)
Other, net	(108)	(83)
Net cash provided by (used in) financing activities	(2,295)	1,865
Effect of change in foreign currency exchange rates on cash and cash equivalents balances	34	(84)
Change in cash and cash equivalents	(1,739)	3,395
Cash and cash equivalents, including subsidiaries held-for-sale, beginning of period	20,195	20,116
Cash and cash equivalents, including subsidiaries held-for-sale, end of period	18,456	23,511
Cash and cash equivalents, subsidiaries held-for-sale, beginning of period	0	69
Cash and cash equivalents, subsidiaries held-for-sale, end of period	0	23
Cash and cash equivalents, beginning of period	20,195	20,047
Cash and cash equivalents, end of period	18,456	23,488
Supplemental disclosures of cash flow information
Net cash paid for Interest	183	150
Net cash paid (received) for Income tax	171	95
Non-cash transactions:
Increase in policyholder account balances associated with funding agreement backed notes issued but not settled	795	0
Fixed maturity securities available-for-sale received in connection with pension risk transfer transactions	$ 0	$ 1,258