v3.26.1
Segment Information - Schedule of Reconciliation of Net Income (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Segment Reporting [Line Items]        
Pretax adjusted operating earnings $ 665 $ 189 $ 265 $ 172
Pre-tax reconciling items from adjusted operating income to net income (loss) attributable to Jackson Financial Inc.:        
Net gains (losses) on hedging instruments     (2,136) (1,342)
Market risk benefits gains (losses), net 2,053 2,203 383 (43)
Net realized investment gains (losses)     (68) (175)
Net investment income on funds withheld assets 201 227 400 454
Pretax income (loss) attributable to Jackson Financial Inc. 660 183 256 160
Income tax expense 5 4 25 5
Net income (loss) attributable to Jackson Financial Inc. 655 179 231 155
Less: Dividends on preferred stock 11 11 22 22
Net income (loss) attributable to Jackson Financial Inc. common shareholders, Basic 644 168 209 133
Corporate And Reconciling Items        
Segment Reporting [Line Items]        
Pretax adjusted operating earnings 618 406 1,048 848
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 714 764 1,485 1,532
Net gains (losses) on hedging instruments 176 (1,840) (284) (829)
Market risk benefits gains (losses), net 2,053 2,203 383 (43)
Net reserve and embedded derivative movements (2,671) (1,066) (1,964) (733)
Total net hedging results 272 61 (380) (73)
Amortization of DAC associated with non-operating items at date of transition to LDTI (118) (127) (239) (255)
Net realized investment gains (losses) (27) 30 (69) (36)
Net realized investment gains (losses) on funds withheld assets (297) (327) (456) (715)
Net investment income on funds withheld assets 201 227 400 454
Other items $ 11 $ (87) $ (48) $ (63)