v3.26.3
Segment Information - Schedule of Reconciliation of Net Income (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Segment Reporting [Line Items]        
Pretax adjusted operating earnings $ 1,000 $ 72 $ 1,265 $ 244
Pre-tax reconciling items from adjusted operating income to net income (loss) attributable to Jackson Financial Inc.:        
Net gains (losses) on hedging instruments     (3,666) (2,538)
Market risk benefits gains (losses), net 1,071 226 1,454 183
Net realized investment gains (losses)     (125) (111)
Net investment income on funds withheld assets 171 203 571 657
Pretax income (loss) attributable to Jackson Financial Inc. 988 57 1,244 217
Income tax expense (benefit) 130 (19) 155 (14)
Net income (loss) attributable to Jackson Financial Inc. 858 76 1,089 231
Less: Dividends on preferred stock 11 11 33 33
Net income (loss) attributable to Jackson Financial Inc. common shareholders, Basic 847 65 1,056 198
Corporate And Reconciling Items        
Segment Reporting [Line Items]        
Pretax adjusted operating earnings 612 505 1,660 1,353
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 760 765 2,245 2,297
Net gains (losses) on hedging instruments (1,682) (14) (1,966) (843)
Market risk benefits gains (losses), net 1,071 226 1,454 183
Net reserve and embedded derivative movements 64 (1,160) (1,900) (1,893)
Total net hedging results 213 (183) (167) (256)
Amortization of DAC associated with non-operating items at date of transition to LDTI (116) (125) (355) (380)
Net realized investment gains (losses) (60) (1) (129) (37)
Net realized investment gains (losses) on funds withheld assets 166 (379) (290) (1,094)
Net investment income on funds withheld assets 171 203 571 657
Other items $ 2 $ 37 $ (46) $ (26)