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Segment Information (Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 230,002	$ 224,847	$ 262,257
Annuities
Segment Reporting Information [Line Items]
Total assets	155,541	151,192
Life
Segment Reporting Information [Line Items]
Total assets	22,621	22,057
Run-off
Segment Reporting Information [Line Items]
Total assets	29,126	28,436
Corporate & Other
Segment Reporting Information [Line Items]
Total assets	$ 22,714	$ 23,162

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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