Business and Basic Presentation (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended				6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Jun. 30, 2022		Jun. 30, 2023	Jun. 30, 2022		Dec. 31, 2022		Sep. 30, 2022	Apr. 01, 2022	Jan. 01, 2021
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other income	$ 1,044		$ 1,361	[1]	$ 2,063	$ 51	[2]
General and administrative expenses	3,143		2,930	[1]	6,347	6,147	[1]
INCOME (LOSS) BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF OPERATING JOINT VENTURES	621		(1,068)		2,468	(1,726)
Retained earnings	$ 32,756				$ 32,756			$ 31,714	[3]
Retained Earnings
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Retained earnings												$ 28,137
Effect of Change
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Other income			781			842
General and administrative expenses			49			55
INCOME (LOSS) BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF OPERATING JOINT VENTURES			(557)			(1,100)
Retained earnings								$ (1,678)
Effect of Change | Accounting Standards Update 2018-12
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Retained earnings												$ 402
Held-for-sale | PALAC
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash considerations for sale of a business										$ 1,448
Held-for-sale | PALAC | Individual Variable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net amount at risk by product and guarantee, net amount at risk											$ 30,000
Held-for-sale | Retirement Full Service
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Net pre-tax gain on sale		$ 650
Other income		850
Realized investment gains (losses), net		(150)
General and administrative expenses		50
Deferred reinsurance gain		$ 400
INCOME (LOSS) BEFORE INCOME TAXES AND EQUITY IN EARNINGS OF OPERATING JOINT VENTURES			$ 0			$ (218)

[1] Prior period amounts adjusted for the implementation of ASU 2018-12: Targeted Improvements to the Accounting for Long-Duration Contracts.

[2] Prior period amounts adjusted for the implementation of ASU 2018-12: Targeted Improvements to the Accounting for Long-Duration Contracts.

[3] Prior period amounts adjusted for the implementation of ASU 2018-12: Targeted Improvements to the Accounting for Long-Duration Contracts.