v3.26.1
Segment Information - Schedule of Reconciliation of Net Income (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting Information [Line Items]    
Pretax adjusted operating earnings $ (400) $ (17)
Pre-tax reconciling items from adjusted operating income to net income (loss) attributable to Jackson Financial Inc.:    
Net gains (losses) on hedging instruments 330 1,409
Market risk benefits gains (losses), net (1,670) (2,246)
Net realized investment gains (losses) (47) (66)
Net investment income on funds withheld assets 199 227
Pretax income (loss) attributable to Jackson Financial Inc. (404) (23)
Income tax expense (benefit) 20 1
Net income (loss) attributable to Jackson Financial Inc. (424) (24)
Less: Dividends on preferred stock 11 11
Net income (loss) attributable to Jackson Financial Inc. common shareholders, Basic (435) (35)
Corporate And Reconciling Items    
Segment Reporting Information [Line Items]    
Pretax adjusted operating earnings 430 442
Segment Reconciling Items    
Pre-tax reconciling items from adjusted operating income to net income (loss) attributable to Jackson Financial Inc.:    
Fees attributable to guarantee benefit reserves 771 768
Net gains (losses) on hedging instruments (460) 1,011
Market risk benefits gains (losses), net (1,670) (2,246)
Net reserve and embedded derivative movements 707 333
Total net hedging results (652) (134)
Amortization of DAC associated with non-operating items at date of transition to LDTI (121) (128)
Net realized investment gains (losses) (42) (66)
Net realized investment gains (losses) on funds withheld assets (159) (388)
Net investment income on funds withheld assets 199 227
Other items $ (59) $ 24