v3.26.1
BUSINESS SEGMENT INFORMATION - Reconciliation of Revenue from Segments to Consolidated (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Segment Reporting [Line Items]    
Segment revenues $ 3,613 $ 3,784
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Total revenues 4,230 4,576
Investment expenses 42 41
Operating Segments | Retirement    
Segment Reporting [Line Items]    
Segment revenues 1,679 1,455
Operating Segments | Asset Management    
Segment Reporting [Line Items]    
Segment revenues 1,114 1,088
Operating Segments | Wealth Management    
Segment Reporting [Line Items]    
Segment revenues 541 462
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Expense related to distribution fees 238 218
Corporate and Other    
Segment Reporting [Line Items]    
Segment revenues 525 1,009
Eliminations    
Segment Reporting [Line Items]    
Segment revenues (246) (230)
Eliminations | Investment Management and Other Fees    
Segment Reporting [Line Items]    
Segment revenues 47 42
Eliminations | AB Holding    
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Investment expenses 43 34
Adjustments    
Reconciliation Of Revenue From Segments To Consolidated [Abstract]    
Variable annuity product features, excluding change in MRBs 626 975
Revenue Adjustments, Gain (Loss) On Investments (29) (14)
Revenue Adjustments, Other $ 20 $ (169)