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Segment Information - Reconciliation of Assets from Segments to Consolidated (Details) - USD ($) $ in Millions	Jun. 30, 2024	Dec. 31, 2023
Segment Reporting Information [Line Items]
Total assets	$ 384,533	$ 372,413
Other Operations
Segment Reporting Information [Line Items]
Total assets	19,214	21,375
Annuities | Operating Segments
Segment Reporting Information [Line Items]
Total assets	196,687	185,599
Life Insurance | Operating Segments
Segment Reporting Information [Line Items]
Total assets	111,292	108,932
Group Protection | Operating Segments
Segment Reporting Information [Line Items]
Total assets	9,626	9,714
Retirement Plan Services | Operating Segments
Segment Reporting Information [Line Items]
Total assets	$ 47,714	$ 46,793

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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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