Consolidated Statements of Cash Flows - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Cash Flows [Abstract]
Net income (loss)	$ 414	$ (1,608)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Interest credited to policyholders’ account balances	292	270
Policy charges and fee income	(767)	(880)
Net derivative (gains) losses	(745)	2,778
Credit losses on AFS debt securities and loans	(10)	(1)
Investment (gains) losses, net	332	(182)
Realized and unrealized (gains) losses on trading securities	16	27
Non-cash long-term incentive compensation expense	13	15
Amortization and depreciation	123	68
Equity (income) loss from limited partnerships	(93)	(107)
Changes in:
Reinsurance recoverable	(353)	(130)
Capitalization of deferred policy acquisition costs	(182)	(157)
Future policy benefits	177	19
Current and deferred income taxes	64	(590)
Other, net	(216)	281
Net cash provided by (used in) operating activities	(935)	(197)
Proceeds from the sale/maturity/prepayment of:
Fixed maturities, available-for-sale	8,478	9,151
Mortgage loans on real estate	280	245
Trading account securities	36	709
Real estate joint ventures	0	0
Short-term investments	0	18
Other	89	775
Payment for the purchase/origination of:
Fixed maturities, available-for-sale	(8,109)	(9,939)
Mortgage loans on real estate	(688)	(353)
Trading account securities	(55)	(61)
Short-term investments	0	(5)
Other	(181)	(1,225)
Cash settlements related to derivative instruments, net	302	(2,980)
Issuance of loans to affiliates	0	0
Repayments of loans to affiliates	0	0
Investment in capitalized software, leasehold improvements and EDP equipment	7	(8)
Other, net	55	198
Net cash provided by (used in) investing activities	214	(3,475)
Cash flows from financing activities:
Deposits	3,041	7,101
Withdrawals	(2,232)	(1,478)
Transfer (to) from Separate Accounts	500	526
Change in collateralized pledged assets	(39)	(1,393)
Change in collateralized pledged liabilities	548	93
Purchase (redemption) of noncontrolling interests of consolidated company-sponsored investment funds	2	7
Repayment of loans from affiliates	0	0
Other, net	(25)	(10)
Net cash provided by (used in) financing activities	1,795	4,846
Change in cash and cash equivalents	1,074	1,174
Cash and cash equivalents, beginning of year	1,815	2,043
Cash and cash equivalents, end of year	2,889	3,217
Non-cash transactions from investing and financing activities:
Right-of-use assets obtained in exchange for lease obligations	$ 0	$ 0