Business, Basis of Presentation and Summary of Significant Accounting Policies (Narrative) (Details) $ in Millions	3 Months Ended
	Mar. 31, 2023 USD ($) Segment	Dec. 31, 2022 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jan. 01, 2021 USD ($)	Dec. 31, 2020 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Number of segments | Segment	5
Deferred Sale Inducement Cost	$ 136	$ 133
Finite-Lived Intangible Assets [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating	212,569	210,597			$ 211,737
Other balance sheet reclassifications upon adoption of the LDTI standard
Finite-Lived Intangible Assets [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating					7,519
Annuities and Risk Solutions | U.S.
Finite-Lived Intangible Assets [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating	$ 16,128	$ 15,549	$ 14,385	$ 14,431	13,643
Annuities and Risk Solutions | Other balance sheet reclassifications upon adoption of the LDTI standard | U.S.
Finite-Lived Intangible Assets [Line Items]
Policyholder Account Balance, Guaranteed Minimum Credit Rating					$ 7,417	$ 7,400
Minimum | VODA and VOCRA
Finite-Lived Intangible Assets [Line Items]
Amortization period	9 years
Maximum | VODA and VOCRA
Finite-Lived Intangible Assets [Line Items]
Amortization period	40 years