Income Tax (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended			12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Provision for income tax expense (benefit)				$ 301	$ 1,551	$ 1,509
Operating Expenses				12,034	12,586	$ 13,150
Deferred Tax Liabilities, Investments	$ 1,691	$ 4,167		1,691	$ 4,167
Foreign Tax Authority
Deferred Tax Liabilities, Investments	302			$ 302
Settlement with Taxing Authority
Provision for income tax expense (benefit)		(53)
Operating Expenses			$ 28
Operating Expenses Net			$ 22
Settlement with Taxing Authority | American Life Insurance Company [Member]
Tax Adjustments, Settlements, and Unusual Provisions	(70)	(42)
Provision for income tax expense (benefit)	(67)	(34)
Operating Expenses	4	10
Operating Expenses Net	$ 3	$ 8