v3.26.1
BUSINESS SEGMENT INFORMATION - Reconciliation of Revenue from Segments to Consolidated (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]        
Segment revenues $ 3,727 $ 3,801 $ 7,340 $ 7,585
Reconciliation Of Revenue From Segments To Consolidated [Abstract]        
Total revenues 1,658 2,362 5,888 6,938
Investment expenses 44 35 86 76
Operating Segments | Retirement        
Segment Reporting [Line Items]        
Segment revenues 1,748 1,491 3,427 2,946
Operating Segments | Asset Management        
Segment Reporting [Line Items]        
Segment revenues 1,134 1,094 2,248 2,182
Operating Segments | Wealth Management        
Segment Reporting [Line Items]        
Segment revenues 544 469 1,085 931
Reconciliation Of Revenue From Segments To Consolidated [Abstract]        
Expense related to distribution fees 235 222 473 440
Corporate and Other        
Segment Reporting [Line Items]        
Segment revenues 548 977 1,073 1,986
Eliminations        
Segment Reporting [Line Items]        
Segment revenues (247) (230) (493) (460)
Eliminations | Investment Management and Other Fees        
Segment Reporting [Line Items]        
Segment revenues 48 44 95 86
Eliminations | AB Holding        
Reconciliation Of Revenue From Segments To Consolidated [Abstract]        
Investment expenses 41 42 84 76
Adjustments        
Reconciliation Of Revenue From Segments To Consolidated [Abstract]        
Variable annuity product features, excluding change in MRBs (2,437) (1,549) (1,811) (574)
Revenue Adjustments, Gain (Loss) On Investments (65) (71) (94) (85)
Revenue Adjustments, Other $ 433 $ 181 $ 453 $ 12