v3.25.4
Fair Value - Schedule of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
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 $ 3,339 $ 2,693
Total realized and unrealized gains (losses) included in income 414 (39)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 478 551
Net Transfers In (Out) (88) 134
Ending Balance 4,143 3,339
Total gains (losses) included in earnings (31) 9
Total gains (losses) included in OCI 0 0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 67 93
Total realized and unrealized gains (losses) included in income 23 79
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (18) (105)
Net Transfers In (Out) 0 0
Ending Balance 72 67
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 104,024 70,370
Total realized and unrealized gains (losses) included in income 3,977 (24)
Total realized and unrealized gains (losses) included in OCI 614 (56)
Net Purchases, Issuances, Sales and Settlements 46,306 35,588
Net Transfers In (Out) (7,178) (1,854)
Ending Balance 147,743 104,024
Total gains (losses) included in earnings 2,755 (411)
Total gains (losses) included in OCI 562 (69)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (13,850) (11,924)
Total realized and unrealized gains (losses) included in income (1,160) (35)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (2,374) (1,955)
Net Transfers In (Out) 0 64
Ending Balance (17,384) (13,850)
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 67 93
Total realized and unrealized gains (losses) included in income 23 79
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (18) (105)
Net Transfers In (Out) 0 0
Ending Balance 72 67
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 (11,242) (9,059)
Total realized and unrealized gains (losses) included in income (1,047) (174)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (2,460) (2,009)
Net Transfers In (Out) 0 0
Ending Balance (14,749) (11,242)
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 (742) (834)
Total realized and unrealized gains (losses) included in income (24) 92
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 (766) (742)
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 (1,102) (1,178)
Total realized and unrealized gains (losses) included in income 17 76
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 (1,085) (1,102)
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 (538) (522)
Total realized and unrealized gains (losses) included in income 8 (16)
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 (530) (538)
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) (1)
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 0 0
Net Transfers In (Out) 0 0
Ending Balance 0 (1)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Other liabilities | Retirement Services    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (225) (330)
Total realized and unrealized gains (losses) included in income (115) (13)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 86 54
Net Transfers In (Out) 0 64
Ending Balance (254) (225)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Investments and derivative assets | 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 44  
Total realized and unrealized gains (losses) included in OCI 0  
Net Purchases, Issuances, Sales and Settlements 79 (28)
Net Transfers In (Out) 0 (68)
Ending Balance 1,204 1,081
Total gains (losses) included in earnings 0  
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 1,201
Total realized and unrealized gains (losses) included in income   (24)
Total realized and unrealized gains (losses) included in OCI   0
Net Purchases, Issuances, Sales and Settlements   (28)
Net Transfers In (Out)   (68)
Ending Balance   1,081
Total gains (losses) included in earnings   26
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 2,258 1,492
Total realized and unrealized gains (losses) included in income 370 (15)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 399 579
Net Transfers In (Out) (88) 202
Ending Balance 2,939 2,258
Total gains (losses) included in earnings (31) (17)
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 29 40
Total realized and unrealized gains (losses) included in income (1) 0
Total realized and unrealized gains (losses) included in OCI 0 1
Net Purchases, Issuances, Sales and Settlements (16) (12)
Net Transfers In (Out) 0 0
Ending Balance 12 29
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 1
Corporate | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 4,321 2,525
Total realized and unrealized gains (losses) included in income 49 (20)
Total realized and unrealized gains (losses) included in OCI 38 36
Net Purchases, Issuances, Sales and Settlements 3,801 2,815
Net Transfers In (Out) (1,559) (1,035)
Ending Balance 6,650 4,321
Total gains (losses) included in earnings 29 (18)
Total gains (losses) included in OCI 56 38
Corporate | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,108 1,171
Total realized and unrealized gains (losses) included in income 0 (2)
Total realized and unrealized gains (losses) included in OCI (7) 40
Net Purchases, Issuances, Sales and Settlements 96 53
Net Transfers In (Out) 3 (154)
Ending Balance 1,200 1,108
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI (7) 24
CLO | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 696 506
Total realized and unrealized gains (losses) included in income (1) 0
Total realized and unrealized gains (losses) included in OCI 0 13
Net Purchases, Issuances, Sales and Settlements 3 177
Net Transfers In (Out) 635 0
Ending Balance 1,333 696
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 14
ABS | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 16,529 6,943
Total realized and unrealized gains (losses) included in income 114 47
Total realized and unrealized gains (losses) included in OCI 487 (128)
Net Purchases, Issuances, Sales and Settlements 10,764 9,812
Net Transfers In (Out) (5,687) (145)
Ending Balance 22,207 16,529
Total gains (losses) included in earnings 48 (3)
Total gains (losses) included in OCI 435 (130)
ABS | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 9,741 7,826
Total realized and unrealized gains (losses) included in income 5 48
Total realized and unrealized gains (losses) included in OCI 101 (12)
Net Purchases, Issuances, Sales and Settlements 5,958 1,879
Net Transfers In (Out) (528) 0
Ending Balance 15,277 9,741
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 57 (14)
CMBS | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 0 21
Total realized and unrealized gains (losses) included in income (23) 3
Total realized and unrealized gains (losses) included in OCI (4) (5)
Net Purchases, Issuances, Sales and Settlements 47 0
Net Transfers In (Out) 21 (19)
Ending Balance 41 0
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 22 0
RMBS | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 256 265
Total realized and unrealized gains (losses) included in income 18 8
Total realized and unrealized gains (losses) included in OCI (1) 0
Net Purchases, Issuances, Sales and Settlements 232 83
Net Transfers In (Out) (66) (100)
Ending Balance 439 256
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 22 28
Total realized and unrealized gains (losses) included in income (2) 1
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 12 (21)
Net Transfers In (Out) (14) 14
Ending Balance 18 22
Total gains (losses) included in earnings 3 (1)
Total gains (losses) included in OCI 0 0
Trading securities | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 573 838
Total realized and unrealized gains (losses) included in income (9) (1)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (186) (264)
Net Transfers In (Out) 76 0
Ending Balance 454 573
Total gains (losses) included in earnings 11 (3)
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 1,954 1,852
Total realized and unrealized gains (losses) included in income 221 (80)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (289) 50
Net Transfers In (Out) 551 132
Ending Balance 2,437 1,954
Total gains (losses) included in earnings 155 (87)
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 27 26
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 (18) 1
Net Transfers In (Out) 0 0
Ending Balance 8 27
Total gains (losses) included in earnings (1) 0
Total gains (losses) included in OCI 0 0
Equity securities | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 234 255
Total realized and unrealized gains (losses) included in income 32 (16)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 0 (5)
Net Transfers In (Out) 0 0
Ending Balance 266 234
Total gains (losses) included in earnings 32 (15)
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 63,239 44,115
Total realized and unrealized gains (losses) included in income 2,202 (192)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 26,477 19,316
Net Transfers In (Out) 0 0
Ending Balance 91,918 63,239
Total gains (losses) included in earnings 2,110 (145)
Total gains (losses) included in OCI 0 0
Mortgage loans | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,297 1,281
Total realized and unrealized gains (losses) included in income 76 17
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 113 (1)
Net Transfers In (Out) 0 0
Ending Balance 1,486 1,297
Total gains (losses) included in earnings 75 17
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 2,579 2,173
Total realized and unrealized gains (losses) included in income 149 (62)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (587) 447
Net Transfers In (Out) (1) 21
Ending Balance 2,140 2,579
Total gains (losses) included in earnings 106 (64)
Total gains (losses) included in OCI 0 0
Investment funds | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,139 1,082
Total realized and unrealized gains (losses) included in income 174 (49)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 5 106
Net Transfers In (Out) 0 0
Ending Balance 1,318 1,139
Total gains (losses) included in earnings 174 (49)
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 770 977
Total realized and unrealized gains (losses) included in income (9) (68)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (498) 331
Net Transfers In (Out) 23 (470)
Ending Balance 286 770
Total gains (losses) included in earnings (2) (16)
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 (3,035) (3,379)
Total realized and unrealized gains (losses) included in income 626 344
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 (2,409) (3,035)
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 0
Embedded derivatives | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance (615) (721)
Total realized and unrealized gains (losses) included in income 259 106
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 (356) (615)
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 1 0
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 0 0
Net Transfers In (Out) 0 1
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 169 105
Total realized and unrealized gains (losses) included in income 0 (1)
Total realized and unrealized gains (losses) included in OCI 0 (1)
Net Purchases, Issuances, Sales and Settlements (150) 145
Net Transfers In (Out) (19) (79)
Ending Balance 0 169
Total gains (losses) included in earnings 0 0
Total gains (losses) included in OCI 0 (1)
Other investments | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 895 630
Total realized and unrealized gains (losses) included in income 7 (24)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements (141) 289
Net Transfers In (Out) 0 0
Ending Balance 761 895
Total gains (losses) included in earnings 2 (6)
Total gains (losses) included in OCI 0 0
Other investments | Related Party | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 331 343
Total realized and unrealized gains (losses) included in income 13 (12)
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 344 331
Total gains (losses) included in earnings 13 (12)
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 103 101
Total realized and unrealized gains (losses) included in income 3 (10)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 507 32
Net Transfers In (Out) (613) (20)
Ending Balance 0 103
Total gains (losses) included in earnings 0 (9)
Total gains (losses) included in OCI 0 0
Reinsurance recoverable | Retirement Services    
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning Balance 1,661 1,367
Total realized and unrealized gains (losses) included in income 74 (61)
Total realized and unrealized gains (losses) included in OCI 0 0
Net Purchases, Issuances, Sales and Settlements 176 355
Net Transfers In (Out) 0 0
Ending Balance 1,911 1,661
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   355
Net Transfers In (Out)   $ 0