v3.25.2
Segments - Total Assets (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 31, 2024
Segment Reporting Information [Line Items]          
Total assets $ 172,436   $ 172,436   $ 163,889
Net investment income 43 $ 114 75 $ 192  
Revenues 1,981 2,033 3,950 4,084  
Other expense 14 8 22 9  
Net Income (Loss) Attributable to Noncontrolling Interest (5) 30 (10) 67  
Dividends, Preferred Stock 4 4 21 21  
Corporate          
Segment Reporting Information [Line Items]          
Total assets 23,783   23,783   24,940
Total | Parent          
Segment Reporting Information [Line Items]          
Total assets 168,176   168,176   159,361
Operating Segments          
Segment Reporting Information [Line Items]          
Adjusted operating earnings before income taxes     521 494  
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest     24 24  
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax     545 518  
Operating Segments | Retirement Deferred Group and Individual Annuity          
Segment Reporting Information [Line Items]          
Total assets 139,138   139,138   129,058
Operating Segments | Employee Benefits [Member]          
Segment Reporting Information [Line Items]          
Total assets 3,457   3,457   3,490
Operating Segments | Investment Management [Member]          
Segment Reporting Information [Line Items]          
Total assets 1,798   1,798   1,873
Operating Segments | Corporate          
Segment Reporting Information [Line Items]          
Adjusted operating earnings before income taxes     (131) (118)  
Operating Segments | Wealth Solutions Segment          
Segment Reporting Information [Line Items]          
External customer revenue 380 330 761 644  
Net investment income 0 0 0 0  
Other Nonrecurring (Income) Expense 7 (44) (15) (118)  
Adjusted operating revenues 824 730 1,622 1,450  
Interest Credited to Policy Owner Account 232 213 463 429  
Administrative Fees Expense 259 220 519 454  
Noninterest Income 0 0 0 0  
Intersegment Fee income and elimination 0 0 0 0  
Deferred Policy Acquisition Cost, Amortization Expense, Other 28 21 55 43  
Financing Costs And Dividends, Preferred Stock 0 0 0 0  
Other expense 0 0 0 0  
Adjusted operating earnings before income taxes 235 214 442 400  
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest 0 0 0 0  
Operating Segments | Health Solutions Segment          
Segment Reporting Information [Line Items]          
External customer revenue 795 860 1,602 1,727  
Net investment income 0 0 0 0  
Other Nonrecurring (Income) Expense 0 (2) (1) (3)  
Adjusted operating revenues 832 892 1,673 1,798  
Interest Credited to Policy Owner Account 529 591 1,081 1,204  
Administrative Fees Expense 132 131 271 265  
Intersegment Fee income and elimination 0 0 0 0  
Deferred Policy Acquisition Cost, Amortization Expense, Other 7 8 16 17  
Financing Costs And Dividends, Preferred Stock 0 0 0 0  
Other expense 0 0 0 0  
Adjusted operating earnings before income taxes 69 60 115 119  
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest 0 0 0 0  
Operating Segments | Investment Management Segment          
Segment Reporting Information [Line Items]          
External customer revenue 223 217 446 435  
Net investment income 37 114 73 192  
Other Nonrecurring (Income) Expense (49) (122) (94) (208)  
Adjusted operating revenues 239 234 482 468  
Interest Credited to Policy Owner Account 0 0 0 0  
Administrative Fees Expense 174 169 364 351  
Noninterest Income 0 0 0 0  
Intersegment Fee income and elimination 21 19 43 39  
Deferred Policy Acquisition Cost, Amortization Expense, Other 0 0 0 0  
Financing Costs And Dividends, Preferred Stock 0 0 0 0  
Other expense 0 0 0 0  
Adjusted operating earnings before income taxes 51 50 92 92  
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest 14 14 26 26  
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax 65 64 118 117  
Segment Reporting, Reconciling Item, Corporate Nonsegment          
Segment Reporting Information [Line Items]          
External customer revenue (3) (2) (3) 0  
Net investment income 6 0 2 0  
Revenues       4,084  
Other Nonrecurring (Income) Expense (39) (5) (52) (31)  
Adjusted operating revenues 5 4 11 9  
Interest Credited to Policy Owner Account 0 0 0 0  
Administrative Fees Expense 0 0 0 0  
Noninterest Income 0 0 0 0  
Intersegment Fee income and elimination (21) (19) (43) (39)  
Deferred Policy Acquisition Cost, Amortization Expense, Other 0 0 0 0  
Financing Costs And Dividends, Preferred Stock 32 33 80 78  
Other expense 40 26 62 49  
Adjusted operating earnings before income taxes (67) (53) (129) (117)  
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest (1) (1) (2) (2)  
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax (67) (54)      
Operating Segments And Corporate Non Segment          
Segment Reporting Information [Line Items]          
External customer revenue 1,395 1,405 2,806 2,806  
Net investment income 43 114 75 192  
Other Nonrecurring (Income) Expense (81) (173) (162) (360)  
Adjusted operating revenues 1,900 1,860 3,788 3,724  
Interest Credited to Policy Owner Account 761 804 1,544 1,633  
Administrative Fees Expense 565 520 1,154 1,070  
Noninterest Income 50 50 101 91  
Intersegment Fee income and elimination 0 0 0 0  
Deferred Policy Acquisition Cost, Amortization Expense, Other 35 29 71 60  
Adjusted operating earnings before income taxes 289 271      
Other Adjustments to Operating Income (Loss) (41)        
Net Income (Loss) Attributable to Redeemable Noncontrolling Interest 13 13      
Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax 302 284      
Adjustments          
Segment Reporting Information [Line Items]          
Total assets $ 4,260   4,260   $ 4,528
Other Adjustments to Operating Income (Loss)   $ (12) $ (71) $ (46)