v3.26.1
Fair Value - Schedule of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Fair value, recurring basis, unobservable input reconciliation, asset, gain (loss) statement of income, extensible list, not disclosed flag Included in Income Included in Income
Fair value, recurring basis, unobservable input reconciliation, liability, gain (loss) statement of income, extensible list, not disclosed flag Included in Income Included in Income
Fair value, recurring basis, unobservable input reconciliation, asset, gain (loss) statement of other comprehensive income, extensible list, not disclosed flag Included in OCI Included in OCI
Fair value, liability, recurring basis still held, unrealized gain (loss), statement of income, extensible list, not disclosed flag Total Gains (Losses) Included in Earnings1 Total Gains (Losses) Included in Earnings1
Fair value, asset, recurring basis still held, unrealized gain (loss), statement of income, extensible list, not disclosed flag Total Gains (Losses) Included in Earnings1 Total Gains (Losses) Included in Earnings1
Asset Management    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance $ 4,143 $ 3,339
Total realized and unrealized gains (losses) included in income (39) 231
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (93) (338)
Net Transfers In (Out) (485) (607)
Ending Balance 3,526 2,625
Total gains (losses) included in earnings (18) (14)
Total gains (losses) included in OCI 0 0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 72 67
Total realized and unrealized gains (losses) included in income 13 1
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 72 (13)
Net Transfers In (Out) 0 0
Ending Balance 157 55
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 147,743 104,024
Total realized and unrealized gains (losses) included in income (1,126) 1,496
Total realized and unrealized gains (losses) included in OCI (357) 205
Net Purchases, Issuances, Sales and Settlements 9,320 8,332
Net Transfers In (Out) (819) (4,181)
Ending Balance 154,761 109,876
Total gains (losses) included in earnings (893) 1,197
Total gains (losses) included in OCI (372) 149
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (17,384) (13,850)
Total realized and unrealized gains (losses) included in income 1,692 948
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (331) (507)
Net Transfers In (Out) 0 0
Ending Balance (16,023) (13,409)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Contingent consideration obligations | Asset Management    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 72 67
Total realized and unrealized gains (losses) included in income 0 1
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (16) (13)
Net Transfers In (Out) 0 0
Ending Balance 56 55
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Embedded derivatives | Retirement Services    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (14,749) (11,242)
Total realized and unrealized gains (losses) included in income 1,531 1,003
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (331) (508)
Net Transfers In (Out) 0 0
Ending Balance (13,549) (10,747)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Universal life benefits | Retirement Services    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (766) (742)
Total realized and unrealized gains (losses) included in income 22 (27)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 0
Net Transfers In (Out) 0 0
Ending Balance (744) (769)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
AmerUs Life Insurance Company (“AmerUs”) Closed Block | Retirement Services    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (1,085) (1,102)
Total realized and unrealized gains (losses) included in income 24 (5)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 0
Net Transfers In (Out) 0 0
Ending Balance (1,061) (1,107)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Indianapolis Life Insurance Company (“ILICO”) Closed Block and life benefits | Retirement Services    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (530) (538)
Total realized and unrealized gains (losses) included in income 4 (18)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 0
Net Transfers In (Out) 0 0
Ending Balance (526) (556)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Derivative liabilities | Retirement Services    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance   (1)
Total realized and unrealized gains (losses) included in income   1
Total realized and unrealized gains (losses) included in OCI   0
Net Purchases, Issuances, Sales and Settlements   0
Net Transfers In (Out)   0
Ending Balance   0
Total gains (losses) included in earnings   0
Total gains (losses) included in OCI   0
Other liabilities | Retirement Services    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (254) (225)
Total realized and unrealized gains (losses) included in income 111 (6)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 1
Net Transfers In (Out) 0 0
Ending Balance (143) (230)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Debt and other liabilities of consolidated VIEs | Asset Management    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net Purchases, Issuances, Sales and Settlements 1  
Net Transfers In (Out) 0  
Due to related parties | Asset Management    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 0  
Total realized and unrealized gains (losses) included in income (3)  
Total realized and unrealized gains (losses) included in OCI 0  
Net Purchases, Issuances, Sales and Settlements 87  
Net Transfers In (Out) 0  
Ending Balance 84  
Total gains (losses) included in earnings 0  
Total gains (losses) included in OCI 0  
VIE, Primary Beneficiary | Debt and other liabilities of consolidated VIEs | Asset Management    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 0  
Total realized and unrealized gains (losses) included in income 16  
Total realized and unrealized gains (losses) included in OCI 0  
Net Purchases, Issuances, Sales and Settlements 1  
Net Transfers In (Out) 0  
Ending Balance 17  
Total gains (losses) included in earnings 0  
Total gains (losses) included in OCI 0  
Investments and derivative assets | Asset Management    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,204  
Total realized and unrealized gains (losses) included in income (12)  
Total realized and unrealized gains (losses) included in OCI 0  
Net Purchases, Issuances, Sales and Settlements 396 14
Net Transfers In (Out) 0 0
Ending Balance 1,588  
Total gains (losses) included in earnings 5  
Total gains (losses) included in OCI 0  
Investments | Asset Management    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance   1,081
Total realized and unrealized gains (losses) included in income   12
Total realized and unrealized gains (losses) included in OCI   0
Net Purchases, Issuances, Sales and Settlements   14
Net Transfers In (Out)   0
Ending Balance   1,107
Total gains (losses) included in earnings   (6)
Total gains (losses) included in OCI   0
Investments | VIE, Primary Beneficiary | Asset Management    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 2,939 2,258
Total realized and unrealized gains (losses) included in income (27) 219
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (489) (352)
Net Transfers In (Out) (485) (607)
Ending Balance 1,938 1,518
Total gains (losses) included in earnings (23) (8)
Total gains (losses) included in OCI 0 0
Foreign governments | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 12 29
Total realized and unrealized gains (losses) included in income 0 (1)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 5 0
Net Transfers In (Out) 0 0
Ending Balance 17 28
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Corporate | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 6,650 4,321
Total realized and unrealized gains (losses) included in income (1) 14
Total realized and unrealized gains (losses) included in OCI (153) 27
Net Purchases, Issuances, Sales and Settlements 648 1,421
Net Transfers In (Out) (716) (178)
Ending Balance 6,428 5,605
Total gains (losses) included in earnings (8) 13
Total gains (losses) included in OCI (152) 20
Corporate | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,200 1,108
Total realized and unrealized gains (losses) included in income 0 0
Total realized and unrealized gains (losses) included in OCI 8 (2)
Net Purchases, Issuances, Sales and Settlements (226) 2
Net Transfers In (Out) 0 0
Ending Balance 982 1,108
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI (2) (2)
CLO | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,333 696
Total realized and unrealized gains (losses) included in income 0 0
Total realized and unrealized gains (losses) included in OCI 0 (2)
Net Purchases, Issuances, Sales and Settlements 0 376
Net Transfers In (Out) 0 0
Ending Balance 1,333 1,070
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI (1) (2)
ABS | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 22,207 16,529
Total realized and unrealized gains (losses) included in income (57) 22
Total realized and unrealized gains (losses) included in OCI (163) 167
Net Purchases, Issuances, Sales and Settlements 2,963 (81)
Net Transfers In (Out) (166) (4,065)
Ending Balance 24,784 12,572
Total gains (losses) included in earnings (66) 1
Total gains (losses) included in OCI (167) 121
ABS | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 15,277 9,741
Total realized and unrealized gains (losses) included in income 2 1
Total realized and unrealized gains (losses) included in OCI (49) 19
Net Purchases, Issuances, Sales and Settlements 2,277 624
Net Transfers In (Out) 96 0
Ending Balance 17,603 10,385
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI (51) 13
CMBS | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 41 0
Total realized and unrealized gains (losses) included in income 0 (24)
Total realized and unrealized gains (losses) included in OCI 0 (3)
Net Purchases, Issuances, Sales and Settlements (22) 28
Net Transfers In (Out) 0 (1)
Ending Balance 19 0
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
RMBS | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 439 256
Total realized and unrealized gains (losses) included in income 4 4
Total realized and unrealized gains (losses) included in OCI 0 (1)
Net Purchases, Issuances, Sales and Settlements (32) 47
Net Transfers In (Out) 0 0
Ending Balance 411 306
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 1 (1)
Trading securities | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 18 22
Total realized and unrealized gains (losses) included in income (1) 0
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 128 (1)
Net Transfers In (Out) (2) (14)
Ending Balance 143 7
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Trading securities | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 454 573
Total realized and unrealized gains (losses) included in income (22) 0
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 925 (136)
Net Transfers In (Out) 19 0
Ending Balance 1,376 437
Total gains (losses) included in earnings (12) 0
Total gains (losses) included in OCI 0 0
Trading securities | VIE, Primary Beneficiary | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 2,437 1,954
Total realized and unrealized gains (losses) included in income (46) 67
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 70 71
Net Transfers In (Out) (50) 78
Ending Balance 2,411 2,170
Total gains (losses) included in earnings (46) 66
Total gains (losses) included in OCI 0 0
Equity securities | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 8 27
Total realized and unrealized gains (losses) included in income 0 (1)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 0
Net Transfers In (Out) 0 0
Ending Balance 8 26
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Equity securities | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 266 234
Total realized and unrealized gains (losses) included in income (4) 10
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (262) 0
Net Transfers In (Out) 0 0
Ending Balance 0 244
Total gains (losses) included in earnings 0 10
Total gains (losses) included in OCI 0 0
Mortgage loans | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 91,918 63,239
Total realized and unrealized gains (losses) included in income (746) 1,000
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 1,905 6,677
Net Transfers In (Out) 0 0
Ending Balance 93,077 70,916
Total gains (losses) included in earnings (749) 1,007
Total gains (losses) included in OCI 0 0
Mortgage loans | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,486 1,297
Total realized and unrealized gains (losses) included in income (7) 14
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 78 (15)
Net Transfers In (Out) 0 0
Ending Balance 1,557 1,296
Total gains (losses) included in earnings (7) 14
Total gains (losses) included in OCI 0 0
Mortgage loans | VIE, Primary Beneficiary | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 2,140 2,579
Total realized and unrealized gains (losses) included in income 2 27
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (111) (87)
Net Transfers In (Out) 0 0
Ending Balance 2,031 2,519
Total gains (losses) included in earnings 6 30
Total gains (losses) included in OCI 0 0
Investment funds | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,318 1,139
Total realized and unrealized gains (losses) included in income (9) 41
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 1,001 0
Net Transfers In (Out) 0 0
Ending Balance 2,310 1,180
Total gains (losses) included in earnings (9) 41
Total gains (losses) included in OCI 0 0
Investment funds | VIE, Primary Beneficiary | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 286 770
Total realized and unrealized gains (losses) included in income 2 15
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 (496)
Net Transfers In (Out) 0 0
Ending Balance 288 289
Total gains (losses) included in earnings 2 3
Total gains (losses) included in OCI 0 0
Embedded derivatives | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (2,409) (3,035)
Total realized and unrealized gains (losses) included in income (131) 188
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 0
Net Transfers In (Out) 0 0
Ending Balance (2,540) (2,847)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Embedded derivatives | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (356) (615)
Total realized and unrealized gains (losses) included in income (25) 75
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 0
Net Transfers In (Out) 0 0
Ending Balance (381) (540)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Funds withheld at interest – embedded derivative | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 2 1
Total realized and unrealized gains (losses) included in income 0 0
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 0
Net Transfers In (Out) 0 0
Ending Balance 2 1
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Short-term investments | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 0 169
Total realized and unrealized gains (losses) included in income 0 0
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 1 (120)
Net Transfers In (Out) 0 (1)
Ending Balance 1 48
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Other investments | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 761 895
Total realized and unrealized gains (losses) included in income 0 1
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (52) 0
Net Transfers In (Out) 0 0
Ending Balance 709 896
Total gains (losses) included in earnings 0 1
Total gains (losses) included in OCI 0 0
Other investments | Due to related parties | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 344 331
Total realized and unrealized gains (losses) included in income (3) 9
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 0
Net Transfers In (Out) 0 0
Ending Balance 341 340
Total gains (losses) included in earnings (4) 9
Total gains (losses) included in OCI 0 0
Other investments | VIE, Primary Beneficiary | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance   103
Total realized and unrealized gains (losses) included in income   4
Total realized and unrealized gains (losses) included in OCI   0
Net Purchases, Issuances, Sales and Settlements   (16)
Net Transfers In (Out)   0
Ending Balance   91
Total gains (losses) included in earnings   2
Total gains (losses) included in OCI   0
Reinsurance recoverable | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,911 1,661
Total realized and unrealized gains (losses) included in income (84) 30
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 24 38
Net Transfers In (Out) 0 0
Ending Balance 1,851 1,729
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI $ 0 0
Reinsurance recoverable | VIE, Primary Beneficiary | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Net Purchases, Issuances, Sales and Settlements   38
Net Transfers In (Out)   $ 0