Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Statement of Cash Flows [Abstract]
Net cash provided by (used in) operating activities	$ 4,262	$ 2,328
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities available-for-sale	14,062	11,469
Sales, maturities and repayments of equity securities	9	37
Sales, maturities and repayments of mortgage loans	3,234	2,217
Sales, maturities and repayments of real estate and real estate joint ventures	48	143
Sales, maturities and repayments of other limited partnership interests	301	402
Sales, maturities and repayments of short-term investments	4,143	3,753
Purchases of fixed maturity securities available-for-sale	(18,359)	(14,692)
Purchases of equity securities	(35)	(7)
Purchases of mortgage loans	(1,999)	(1,914)
Purchases of real estate and real estate joint ventures	(114)	(175)
Purchases of other limited partnership interests	(278)	(295)
Purchases of short-term investments	(4,443)	(2,642)
Cash received in connection with freestanding derivatives	803	503
Cash paid in connection with freestanding derivatives	(1,013)	(1,052)
Net change in policy loans	(87)	(80)
Net change in other invested assets	457	(280)
Other, net	(51)	(14)
Net cash provided by (used in) investing activities	(3,322)	(2,627)
Cash flows from financing activities
Policyholder account balances - deposits	28,692	24,444
Policyholder account balances - withdrawals	(26,916)	(23,373)
Net change in payables for collateral under securities loaned and other transactions	233	50
Long-term debt issued	89	758
Long-term debt repaid	(555)	(264)
Collateral financing arrangement repaid	(13)	(47)
Subordinated debt securities issued	1,000	0
Derivatives with certain financing elements and other derivative-related transactions, net	(71)	(55)
Proceeds from mortgage loan secured financing	66	42
Repayments of mortgage loan secured financing	(255)	(161)
Treasury stock acquired in connection with share repurchases	(1,411)	(1,172)
Dividends on preferred stock	(66)	(67)
Dividends on common stock	(374)	(377)
Other, net	(199)	(39)
Net cash provided by (used in) financing activities	220	(261)
Effect of change in foreign currency exchange rates on cash and cash equivalents balances	98	(239)
Change in cash and cash equivalents	1,258	(799)
Cash and cash equivalents, beginning of period	20,068	20,639
Cash and cash equivalents, end of period	21,326	19,840
Supplemental disclosures of cash flow information
Net cash paid for Interest	224	231
Net cash paid (received) for Income tax	147	130
Non-cash transactions:
Other invested assets received in connection with the sale of other limited partnership interests	$ 20	$ 349