Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Cash Flows [Abstract]
Net cash provided by (used in) operating activities	$ 1,954	$ 1,496
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities available-for-sale	19,737	24,976
Sales, maturities and repayments of equity securities	384	156
Sales, maturities and repayments of mortgage loans	3,404	3,663
Sales, maturities and repayments of real estate and real estate joint ventures	83	106
Sales, maturities and repayments of other limited partnership interests	901	174
Purchases of fixed maturity securities available-for-sale	(22,616)	(22,143)
Purchases of equity securities	(133)	(12)
Purchases of mortgage loans	(3,956)	(2,877)
Purchases of real estate and real estate joint ventures	(286)	(236)
Purchases of other limited partnership interests	(761)	(682)
Cash received in connection with freestanding derivatives	1,092	1,358
Cash paid in connection with freestanding derivatives	(1,914)	(4,788)
Purchases of investments in operating joint ventures	(240)	0
Net change in policy loans	35	85
Net change in short-term investments	3,986	(828)
Net change in other invested assets	(223)	(23)
Other, net	81	17
Net cash provided by (used in) investing activities	(426)	(1,054)
Cash flows from financing activities
Policyholder account balances: Deposits	28,335	25,722
Policyholder account balances: Withdrawals	(23,653)	(23,527)
Net change in payables for collateral under securities loaned and other transactions	(1,331)	(1,426)
Cash paid for other transactions with tenors greater than three months	0	(100)
Long-term debt repaid	(10)	(15)
Collateral financing arrangement repaid	(12)	(12)
Financing element on certain derivative instruments and other derivative related transactions, net	105	326
Treasury stock acquired in connection with share repurchases	(940)	(999)
Dividends on preferred stock	(63)	(68)
Dividends on common stock	(397)	(408)
Other, net	(83)	(57)
Net cash provided by (used in) financing activities	1,951	(564)
Effect of change in foreign currency exchange rates on cash and cash equivalents balances	(84)	(192)
Change in cash and cash equivalents	3,395	(314)
Cash and cash equivalents, including subsidiaries held-for-sale, beginning of period	20,116	20,560
Cash and cash equivalents, including subsidiaries held-for-sale, end of period	23,511	20,246
Cash and cash equivalents, subsidiaries held-for-sale, beginning of period	69	765
Cash and cash equivalents, subsidiaries held-for-sale, end of period	23	611
Cash and cash equivalents, beginning of period	20,047	19,795
Cash and cash equivalents, end of period	23,488	19,635
Supplemental disclosures of cash flow information
Net cash paid for Interest	150	153
Net cash paid (received) for Income tax	95	281
Non-cash transactions:
Fixed maturity securities available-for-sale received in connection with pension risk transfer transactions	1,258	0
Real estate and real estate joint ventures acquired in satisfaction of debt	2	170
Increase in equity securities due to in-kind distributions received from other limited partnership interests	46	62
Increase in policyholder account balances associated with funding agreement backed notes issued but not settled	$ 0	$ 400