Consolidated Statements of Cash Flows $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Cash flows from operating activities
Net income (loss)	$ 6,575	$ 5,418	$ 5,909
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization expenses	694	619	630
Amortization of premiums and accretion of discounts associated with investments, net	(855)	(816)	(999)
(Gains) losses on investments and from sales of businesses, net	(1,529)	110	(444)
(Gains) losses on derivatives, net	4,190	(656)	(135)
(Income) loss from equity method investments, net of dividends or distributions	(3,051)	76	254
Interest credited to policyholder account balances	5,490	5,348	6,464
Universal life and investment-type product policy fees	(3,638)	(3,664)	(5,603)
Change in contractholder-directed equity securities and fair value option securities	(231)	131	(139)
Change in accrued investment income	(11)	104	8
Change in premiums, reinsurance and other receivables	389	842	(514)
Change in deferred policy acquisition costs and value of business acquired, net	(106)	101	(463)
Change in income tax	598	(11)	233
Change in other assets	(681)	(361)	426
Change in insurance-related liabilities and policy-related balances	4,553	5,112	7,803
Change in other liabilities	71	(1,065)	71
Other, net	138	351	285
Net cash provided by (used in) operating activities	12,596	11,639	13,786
Cash flows from investing activities
Sales, maturities and repayments of fixed maturity securities available-for-sale	88,839	77,979	77,820
Sales, maturities and repayments of equity securities	708	367	294
Sales, maturities and repayments of mortgage loans	19,183	11,300	12,838
Sales, maturities and repayments of real estate and real estate joint ventures	1,285	120	1,123
Sales, maturities and repayments of other limited partnership interests	777	597	625
Purchases of fixed maturity securities available-for-sale	(97,368)	(89,633)	(87,455)
Purchases of equity securities	(451)	(169)	(130)
Purchases of mortgage loans	(14,961)	(14,652)	(17,657)
Purchases of real estate and real estate joint ventures	(1,375)	(1,287)	(1,962)
Purchases of other limited partnership interests	(3,227)	(1,979)	(1,674)
Cash received in connection with freestanding derivatives	3,453	4,847	2,914
Cash paid in connection with freestanding derivatives	(7,990)	(4,247)	(3,749)
Sales of businesses	3,270	0	0
Purchases of businesses	0	(1,684)	(32)
Net change in policy loans	228	250	5
Net change in short-term investments	(3,277)	(341)	152
Net change in other invested assets	(235)	(176)	(567)
Other, net	(46)	139	(131)
Net cash provided by (used in) investing activities	(11,187)	(18,569)	(17,586)
Cash flows from financing activities
Policyholder account balances: Deposits	96,367	93,497	92,122
Policyholder account balances: Withdrawals	(92,540)	(85,251)	(85,598)
Net change in payables for collateral under securities loaned and other transactions	1,883	3,538	2,019
Cash received for other transactions with tenors greater than three months	0	150	125
Cash paid for other transactions with tenors greater than three months	(100)	(175)	(200)
Long-term debt issued	29	1,124	1,382
Long-term debt repaid	(582)	(99)	(906)
Collateral financing arrangement repaid	(79)	(148)	(67)
Financing element on certain derivative instruments and other derivative related transactions, net	270	(46)	(126)
Treasury stock acquired in connection with share repurchases	(4,303)	(1,151)	(2,285)
Preferred stock issued, net of issuance costs	0	1,961	0
Redemption of preferred stock	(494)	(989)	0
Preferred stock redemption premium	(6)	(14)	0
Dividends on preferred stock	(195)	(202)	(178)
Dividends on common stock	(1,647)	(1,657)	(1,643)
Other, net	22	191	(77)
Net cash provided by (used in) financing activities	(1,375)	10,729	4,568
Effect of change in foreign currency exchange rates on cash and cash equivalents balances	(478)	163	9
Change in cash and cash equivalents	(444)	3,962	777
Cash and cash equivalents, including subsidiaries held-for-sale, beginning of year	20,560	16,598	15,821
Cash and cash equivalents, including subsidiaries held-for-sale, end of year	20,116	20,560	16,598
Cash and cash equivalents, subsidiaries held-for-sale, beginning of year	765	0	0
Cash and cash equivalents, subsidiaries held-for-sale, end of year	69	765	0
Cash and cash equivalents, beginning of year	19,795	16,598	15,821
Cash and cash equivalents, end of year	20,047	19,795	16,598
Supplemental disclosures of cash flow information
Net cash paid for Interest	914	891	964
Net cash paid (received) for Income tax	1,102	787	1,099
Business acquisitions: Assets	0	2,190	0
Business acquisitions: Liabilities	0	315	0
Purchases of businesses	0	1,875	0
Assets held-for-sale	7,238	7,418	0
Liabilities held-for-sale	6,634	4,650	0
Net assets held-for-sale	604	2,768	0
Non-cash transactions:
Fixed maturity securities available-for-sale received in connection with pension risk transfer transactions	423	2,037	637
Operating lease liability associated with the recognition of right-of-use assets	63	70	341
Real estate and real estate joint ventures acquired in satisfaction of debt	174	10	32
Increase in equity securities due to in-kind distributions received from other limited partnership interests	380	108	44
Reclassification of certain other invested assets to contractholder-directed equity securities and fair value option securities	$ 309	$ 0	$ 0