CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Statement of Cash Flows [Abstract]
Net income	$ 2,059	$ 1,357
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation, amortization and accretion, net	95	150
Deferred income tax expense (benefit)	63	198
Share-based compensation	124	107
Net realized investment (gains) losses	(627)	(14)
Net trading (gains) losses	3	(9)
Loss from equity method investments	58	58
Impairments and provision for loan losses	2	19
Net (gains) losses of consolidated investment entities	(17)	(7)
Changes in operating assets and liabilities:
Restricted and segregated investments	(101)
Deferred acquisition costs	(128)	186
Policyholder account balances, future policy benefits and claims, net	1,174	3,252
Derivatives, net of collateral	(290)	265
Receivables	(360)	(216)
Brokerage deposits	(45)	205
Accounts payable and accrued expenses	146	(94)
Current income tax expense (benefit)	(393)	(100)
Increase (Decrease) in Deferred Income Taxes	(112)
Other operating assets and liabilities of consolidated investment entities, net	15	20
Other, net	108	262
Net cash provided by (used in) operating activities	1,774	5,639
Available-for-Sale securities:
Proceeds from sales	555	1,690
Maturities, sinking fund payments and calls	8,992	6,568
Purchases	(10,047)	(10,197)
Proceeds from sales, maturities and repayments of mortgage loans	242	146
Funding of mortgage loans	(166)	(147)
Proceeds from sales, maturities and collections of other investments	155	139
Purchase of other investments	(73)	(219)
Purchase of investments by consolidated investment entities	(1,461)	(679)
Proceeds from sales, maturities and repayments of investments by consolidated investment entities	850	454
Purchase of land, buildings, equipment and software	(86)	(107)
Cash paid for written options with deferred premiums	(314)	(292)
Cash received from written options with deferred premiums	60	129
Cash paid for deposit receivable	(216)	(3)
Cash received for deposit receivable	132	74
Other, net	4	23
Net cash provided by (used in) investing activities	(1,373)	(2,421)
Investment certificates:
Proceeds from additions	2,004	3,428
Maturities, withdrawals and cash surrenders	(3,320)	(3,780)
Policyholder account balances:
Deposits and other additions	1,131	1,202
Net transfers from (to) separate accounts	(206)	(63)
Surrenders and other benefits	(1,002)	(1,035)
Change in banking deposits, net	2,412	2,532
Cash paid for purchased options with deferred premiums	(94)	(177)
Cash received from purchased options with deferred premiums	580	40
Issuance of long-term debt	4	494
Repayments of long-term debt	(6)	(760)
Dividends paid to shareholders	(384)	(375)
Repurchase of common shares	(1,467)	(1,036)
Exercise of stock options		2
Borrowings of Consolidated Investment Entities	1,375	382
Repayments of debt by consolidated investment entities	(757)	(55)
Other, net	(11)	(6)
Net cash provided by (used in) financing activities	259	793
Effect of exchange rate changes on cash	(9)	(5)
Net increase (decrease) in cash and cash equivalents, including amounts restricted	651	4,006
Cash and cash equivalents, including amounts restricted, at beginning of period	8,903	6,213
Cash and cash equivalents, including amounts restricted, at end of period	$ 9,554	$ 10,219