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Segment Information (Reconciliation of Operating Revenues to Total Revenues) (Details) - USD ($) $ in Millions	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total revenues	$ 1,284	$ 2,013	$ 6,873	$ 4,976
Annuities
Segment Reporting Information [Line Items]
Total revenues	1,170	1,202
Life
Segment Reporting Information [Line Items]
Total revenues	304	363
Run-off
Segment Reporting Information [Line Items]
Total revenues	380	535
Corporate & Other
Segment Reporting Information [Line Items]
Total revenues	139	41
Segment Reconciling Items
Segment Reporting Information [Line Items]
Total revenues	$ (709)	$ (128)

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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