Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021
Statement of Cash Flows [Abstract]
Net cash provided by (used in) operating activities	$ 6,392	$ 3,750
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities available-for-sale	48,015	44,199
Sales, maturities and repayments of equity securities	473	335
Sales, maturities and repayments of mortgage loans	6,685	8,626
Sales, maturities and repayments of real estate and real estate joint ventures	438	736
Sales, maturities and repayments of other limited partnership interests	1,227	332
Purchases of fixed maturity securities available-for-sale	(44,368)	(46,011)
Purchases of equity securities	(375)	(34)
Purchases of mortgage loans	(10,157)	(6,235)
Purchases of real estate and real estate joint ventures	(615)	(429)
Purchases of other limited partnership interests	(1,506)	(1,347)
Cash received in connection with freestanding derivatives	2,513	1,769
Cash paid in connection with freestanding derivatives	(4,518)	(5,602)
Sales of businesses	590	3,329
Purchases of investments in operating joint ventures	(240)	0
Net change in policy loans	79	137
Net change in short-term investments	4,219	116
Net change in other invested assets	(737)	40
Other, net	(34)	(6)
Net cash provided by (used in) investing activities	1,689	(45)
Cash flows from financing activities
Policyholder account balances: Deposits	56,109	50,865
Policyholder account balances: Withdrawals	(52,428)	(46,995)
Net change in payables for collateral under securities loaned and other transactions	(7,809)	506
Cash paid for other transactions with tenors greater than three months	0	(100)
Long-term debt issued	6	15
Long-term debt repaid	(23)	(28)
Collateral financing arrangement repaid	(25)	(27)
Financing element on certain derivative instruments and other derivative related transactions, net	121	318
Treasury stock acquired in connection with share repurchases	(2,056)	(2,112)
Redemption of preferred stock	0	(494)
Preferred stock redemption premium	0	(6)
Dividends on preferred stock	(92)	(103)
Dividends on common stock	(805)	(829)
Other, net	(180)	58
Net cash provided by (used in) financing activities	(7,182)	1,068
Effect of change in foreign currency exchange rates on cash and cash equivalents balances	(467)	(192)
Change in cash and cash equivalents	432	4,581
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	20,548	25,141
Cash and cash equivalents, subsidiaries held-for-sale, beginning of period	69	765
Cash and cash equivalents, subsidiaries held-for-sale, end of period	0	104
Cash and cash equivalents, beginning of period	20,047	19,795
Cash and cash equivalents, end of period	20,548	25,037
Supplemental disclosures of cash flow information
Net cash paid for Interest	435	440
Net cash paid (received) for Income tax	577	748
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	187	171
Increase in equity securities due to in-kind distributions received from other limited partnership interests	63	151
Increase in policyholder account balances associated with funding agreement backed notes issued but not settled	$ 184	$ 0