Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019
Cash flows from operating activities
Net income		$ 599	$ 1,721
Adjustments to reconcile net income to net cash provided by operating activities:
Amortization of deferred acquisition costs and value of business acquired		247	815
Amortization of deferred sales inducements		37	38
Accretion of net investment premiums, discounts and other		(139)	(60)
Payment at recapture of reinsurance agreement		(723)	0
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions		(90)	(94)
Gain (Loss) on Investments and Derivatives		(462)	1,682
Policy acquisition costs deferred		(470)	(521)
Changes in operating assets and liabilities:
Accrued investment income		(27)	(99)
Interest sensitive contract liabilities		1,691	3,086
Future policy benefits, other policy claims and benefits, dividends payable to policyholders and reinsurance recoverable		338	973
Funds withheld assets and liabilities		(856)	(2,488)
Other assets and liabilities		(144)	296
Net cash provided by operating activities		925	1,985
Sales, maturities and repayments of:
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale		8,850	8,344
Proceeds from Sale and Maturity of Debt and Equity Securities, FV-NI, Held-for-investment		133	195
Proceeds from sale of equity securities		6	120
Mortgage loans		1,593	1,513
Proceeds from Investment Funds		465	309
Derivative instruments and other invested assets		1,331	1,008
Proceeds from Sale, Maturity and Collection of Short-term Investments		766	274
Purchases of:
Payments to Acquire Debt Securities, Available-for-sale		(14,071)	(11,413)
Payments to Acquire Trading Securities Held-for-investment		(188)	(425)
Equity securities		(481)	(421)
Mortgage loans		(2,971)	(5,013)
Payments to Acquire Investment Funds		(970)	(765)
Derivative instruments and other invested assets		(1,451)	(853)
Payments to Acquire Short-term Investments		(449)	(653)
Cash Divested from Deconsolidation		3	0
Other investing activities, net		341	521
Net cash used in investing activities		(7,099)	(7,259)
Cash flows from financing activities
Issuance of common stock		350	0
Repayment of short-term debt		75	0
Proceeds from long-term debt		499	0
Deposits on investment-type policies and contracts		13,994	8,879
Withdrawals on investment-type policies and contracts		(5,320)	(4,846)
Payments for coinsurance agreements on investment-type contracts, net		(17)	(39)
Capital contributions from noncontrolling interests		240	0
Capital distributions to noncontrolling interests		(46)	0
Net change in cash collateral posted for derivative transactions and securities to repurchase		(487)	(1,354)
Issuance of preferred stock, net of expenses		583	1,172
Preferred stock dividends		67	17
Repurchase of common stock		(425)	(548)
Other financing activities, net		131	(51)
Net cash provided by financing activities		10,334	5,904
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents		(28)	0
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect		4,132	630
Cash and cash equivalents at beginning of year	[1]	4,642	3,405
Cash and cash equivalents at end of period	[1]	8,774	4,035
Non-cash transactions
Deposits on investment-type policies and contracts through reinsurance agreements		29,876	619
Withdrawals on investment-type policies and contracts through reinsurance agreements		3,313	2,764
Reinsurance Settlements [Member]
Non-cash transactions
Transfer to Investments		53	56
Transfer from Investments		4,298	0
Pension Risk Transfer Premiums [Member]
Non-cash transactions
Transfer to Investments		829	4,506
Related Party
Adjustments to reconcile net income to net cash provided by operating activities:
Income (Loss) from Equity Method Investments, Net of Dividends or Distributions		(72)	(95)
Gain (Loss) on Investments and Derivatives		(15)	26
Changes in operating assets and liabilities:
Accrued investment income		(18)	(3)
Interest sensitive contract liabilities		135	338
Future policy benefits, other policy claims and benefits, dividends payable to policyholders and reinsurance recoverable		209	223
Funds withheld assets and liabilities		(644)	(1,261)
Sales, maturities and repayments of:
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale		238	101
Proceeds from Sale and Maturity of Debt and Equity Securities, FV-NI, Held-for-investment		31	65
Mortgage loans		0	4
Proceeds from Investment Funds		408	196
Proceeds from Sale, Maturity and Collection of Short-term Investments		28	0
Purchases of:
Payments to Acquire Debt Securities, Available-for-sale		(1,526)	(1,065)
Payments to Acquire Trading Securities Held-for-investment		(150)	(6)
Mortgage loans		(17)	(366)
Payments to Acquire Investment Funds		(914)	(637)
Payments to Acquire Short-term Investments		(28)	0
Cash flows from financing activities
Deposits on investment-type policies and contracts		63	130
Withdrawals on investment-type policies and contracts		(292)	(332)
Non-cash transactions
Deposits on investment-type policies and contracts through reinsurance agreements		252	159
Withdrawals on investment-type policies and contracts through reinsurance agreements		1,063	1,351
Related Party | Reinsurance Settlements [Member]
Non-cash transactions
Transfer to Investments		0	97
Related Party | Investment funds
Non-cash transactions
Transfer to Investments		1,147	0
Related Party | Trading securities
Non-cash transactions
Transfer to Investments		$ 516	$ 0

[1] 1 Includes cash and cash equivalents and restricted cash.