Equity - Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Jan. 01, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	$ (4,674)	$ 2,021	$ 2,430	$ 3,971
Accumulated Other Comprehensive Income (Loss), Net of Tax	(9,787)	3,337	(9,787)	3,337	$ 0
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(7,342)	1,839	(13,941)	(754)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(92)	54	(136)	83
Income tax expense (benefit)	(1,283)	345	(2,453)	(151)
Other comprehensive income (loss) attributable to NCI	854	(124)	1,565	52
Ending balance	(9,787)	3,337	(9,787)	3,337
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(4,747)	2,808		5,352
Accumulated Other Comprehensive Income (Loss), Net of Tax	(9,996)	4,423	(9,996)	4,423	0
Other comprehensive income (loss) attributable to NCI	862	(130)	1,538	47
Ending balance	(9,996)	4,423	(9,996)	4,423
AOCI, Gain (Loss), Debt Securities, Available-for-sale, with Allowance for Credit Loss, Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(65)	(29)		(53)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(138)	(36)	(138)	(36)	0
Ending balance	(138)	(36)	(138)	(36)
DAC, DSI, VOBA, future policy benefits and dividends payable to policyholders adjustments on AFS securities
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	211	(717)		(1,310)
Accumulated Other Comprehensive Income (Loss), Net of Tax	432	(1,082)	432	(1,082)	0
Ending balance	432	(1,082)	432	(1,082)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	(79)	(49)		(26)
Accumulated Other Comprehensive Income (Loss), Net of Tax	(28)	23	(28)	23	0
Ending balance	(28)	23	(28)	23
AOCI, Accumulated Gain (Loss), Debt Securities, with credit allowance, portion attributable to NCI [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss) attributable to NCI	10	3	19	1
Accumulated Foreign Currency Adjustment and Other Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning balance	6	8		8
Accumulated Other Comprehensive Income (Loss), Net of Tax	(57)	9	(57)	9	$ 0
Ending balance	(57)	9	(57)	9
AOCI, Gain (Loss), Debt Securities, Available-for-sale, with Allowance for Credit Loss, Including Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(7,568)	2,205	(14,213)	(1,130)
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	(116)	39	(154)	78
Income tax expense (benefit)	(1,341)	421	(2,525)	(232)
AOCI, Gain (Loss), Debt Securities, Available-for-sale, with Allowance for Credit Loss, Including Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(94)	(15)	(191)	17
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	7	(3)	0	(3)
Income tax expense (benefit)	(18)	(2)	(34)	4
Deferred Acquisition Costs, Deferred Value of Business Acquired and Future Policy Benefit Adjustment on Available-for-sale Securities Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss) attributable to NCI	0	0	0	0
Accumulated Net Investment Gain (Loss), Including Deferred Acquisition Costs, Deferred Sales Inducements, Value of Business Acquired, Future Policy Benefits, Including Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	282	(471)	550	270
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	2	(9)	3	(19)
Income tax expense (benefit)	59	(97)	115	61
Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	96	119	(33)	88
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	15	27	15	27
Income tax expense (benefit)	17	23	(9)	16
Accumulated Foreign Currency Adjustment and Other Including Portion Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), before Reclassifications, before Tax	(58)	1	(54)	1
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax	0	0	0	0
Income tax expense (benefit)	0	0	0	0
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss) attributable to NCI	(13)	3	11	4
Accumulated Foreign Currency Adjustment and Other Attributable to Noncontrolling Interest [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive income (loss) attributable to NCI	$ (5)	$ 0	$ (3)	$ 0