v3.26.1
BUSINESS SEGMENT INFORMATION - Reconciliation of Operating Profit (Loss) from Segments to Consolidated (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting [Line Items]    
Net Income (Loss) Attributable to Parent $ 621 $ 63
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Operating earnings (loss) 472 421
Income (Loss) due to Novation in Pre-Tax Net Income 13 499
Gain on sale of business 0 0
Novation    
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Income (Loss) due to Novation in Pre-Tax Net Income   (499)
Adjustments    
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Variable annuity product (386) 211
Gain (Loss) On Investments, Adjustments 29 14
Actuarial Gain (Loss) Adjustments, Defined Benefit Plan 14 11
Other adjustments 148 205
Income Tax Expense (Benefit), Resulting From Adjustments To Income 41 (92)
Non-recurring tax items 5 9
Loss on derivatives not associated with variable annuities $ 146 165
Adjustments | CarVal Investments L.P.    
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Contingent payment gain   78
Adjustments | Disposal Group, Disposed of by Sale, Not Discontinued Operations | AB’s Bernstein Research Service    
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Gain on sale of business   $ 82