Segment Information (Assets) (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022	Dec. 31, 2021
Segment Reporting Information [Line Items]
Total assets	$ 221,766	$ 215,438	$ 249,731
Annuities
Segment Reporting Information [Line Items]
Total assets	154,551	148,228
Life
Segment Reporting Information [Line Items]
Total assets	17,732	17,214
Run-off
Segment Reporting Information [Line Items]
Total assets	28,645	28,466
Corporate & Other
Segment Reporting Information [Line Items]
Total assets	$ 20,838	$ 21,530