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 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 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 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 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 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 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 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 $ 3,526 $ 2,625 $ 4,143 $ 3,339
Total realized and unrealized gains (losses) included in income (12) 121 (51) 352
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 1,215 350 1,122 12
Net Transfers In (Out) (424) (60) (909) (667)
Ending Balance 4,305 3,036 4,305 3,036
Total gains (losses) included in earnings 22 (24) 4 (40)
Total gains (losses) included in OCI 0 0 0 0
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 157 55 72 67
Total realized and unrealized gains (losses) included in income (11) 7 2 8
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements (29) (1) 43 (14)
Net Transfers In (Out) 0 0 0 0
Ending Balance 117 61 117 61
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Asset Management | Contingent consideration obligations        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 56   72 67
Total realized and unrealized gains (losses) included in income 1   1 8
Total realized and unrealized gains (losses) included in OCI 0   0 0
Net Purchases, Issuances, Sales and Settlements (1) (1) (17) (14)
Net Transfers In (Out) 0 0 0 0
Ending Balance 56 61 56 61
Total gains (losses) included in earnings 0   0 0
Total gains (losses) included in OCI 0   0 0
Asset Management | Debt and other liabilities of consolidated VIEs        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Net Purchases, Issuances, Sales and Settlements 1   2  
Net Transfers In (Out) 0   0  
Asset Management | Due to related parties        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 84   0  
Total realized and unrealized gains (losses) included in income (1)   (4)  
Total realized and unrealized gains (losses) included in OCI 0   0  
Net Purchases, Issuances, Sales and Settlements (29)   58  
Net Transfers In (Out) 0   0  
Ending Balance 54   54  
Total gains (losses) included in earnings 0   0  
Total gains (losses) included in OCI 0   0  
Asset Management | VIE, Primary Beneficiary | Debt and other liabilities of consolidated VIEs        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 17   0  
Total realized and unrealized gains (losses) included in income (11)   5  
Total realized and unrealized gains (losses) included in OCI 0   0  
Net Purchases, Issuances, Sales and Settlements 1   2  
Net Transfers In (Out) 0   0  
Ending Balance 7   7  
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 154,761 109,876 147,743 104,024
Total realized and unrealized gains (losses) included in income (488) 1,374 (1,614) 2,870
Total realized and unrealized gains (losses) included in OCI 89 383 (268) 588
Net Purchases, Issuances, Sales and Settlements 13,621 9,797 22,941 18,129
Net Transfers In (Out) (5,596) (672) (6,415) (4,853)
Ending Balance 162,387 120,758 162,387 120,758
Total gains (losses) included in earnings (845) 1,259 (1,730) 2,377
Total gains (losses) included in OCI 13 400 (255) 597
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (16,023) (13,409) (17,384) (13,850)
Total realized and unrealized gains (losses) included in income (2,171) (928) (479) 20
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements (678) (642) (1,009) (1,149)
Net Transfers In (Out) 0 0 0 0
Ending Balance (18,872) (14,979) (18,872) (14,979)
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Retirement Services | Embedded derivatives        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (13,549) (10,747) (14,749) (11,242)
Total realized and unrealized gains (losses) included in income (2,135) (887) (604) 116
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements (700) (642) (1,031) (1,150)
Net Transfers In (Out) 0 0 0 0
Ending Balance (16,384) (12,276) (16,384) (12,276)
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Retirement Services | Universal life benefits        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (744) (769) (766) (742)
Total realized and unrealized gains (losses) included in income 2 14 24 (13)
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 0 0 0
Net Transfers In (Out) 0 0 0 0
Ending Balance (742) (755) (742) (755)
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Retirement Services | AmerUs Life Insurance Company (“AmerUs”) Closed Block        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (1,061) (1,107) (1,085) (1,102)
Total realized and unrealized gains (losses) included in income 7 10 31 5
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 0 0 0
Net Transfers In (Out) 0 0 0 0
Ending Balance (1,054) (1,097) (1,054) (1,097)
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Retirement Services | Indianapolis Life Insurance Company (“ILICO”) Closed Block and life benefits        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (526) (556) (530) (538)
Total realized and unrealized gains (losses) included in income 16 0 20 (18)
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 0 0 0
Net Transfers In (Out) 0 0 0 0
Ending Balance (510) (556) (510) (556)
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Retirement Services | Derivative liabilities        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 0   0 (1)
Total realized and unrealized gains (losses) included in income (8)   (8) 1
Total realized and unrealized gains (losses) included in OCI 0   0 0
Net Purchases, Issuances, Sales and Settlements 0   0 0
Net Transfers In (Out) 0   0 0
Ending Balance (8) 0 (8) 0
Total gains (losses) included in earnings 0   0 0
Total gains (losses) included in OCI 0   0 0
Retirement Services | Other liabilities        
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (143) (230) (254) (225)
Total realized and unrealized gains (losses) included in income (53) (65) 58 (71)
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 22 0 22 1
Net Transfers In (Out) 0 0 0 0
Ending Balance (174) (295) (174) (295)
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Investments and derivative assets | Asset Management        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 1,588 1,107 1,204  
Total realized and unrealized gains (losses) included in income 2 37 (10)  
Total realized and unrealized gains (losses) included in OCI 0 0 0  
Net Purchases, Issuances, Sales and Settlements (33) 5 363 19
Net Transfers In (Out) (18) 0 (18) 0
Ending Balance 1,539 1,149 1,539 1,149
Total gains (losses) included in earnings 42 (5) 47  
Total gains (losses) included in OCI 0 0 0  
Investments of Consolidated VIEs | 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       49
Total realized and unrealized gains (losses) included in OCI       0
Net Purchases, Issuances, Sales and Settlements       19
Net Transfers In (Out)       0
Ending Balance   1,149   1,149
Total gains (losses) included in earnings       (11)
Total gains (losses) included in OCI       0
Investments of Consolidated VIEs | Asset Management | VIE, Primary Beneficiary        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 1,938 1,518 2,939 2,258
Total realized and unrealized gains (losses) included in income (14) 84 (41) 303
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 1,248 345 759 (7)
Net Transfers In (Out) (406) (60) (891) (667)
Ending Balance 2,766 1,887 2,766 1,887
Total gains (losses) included in earnings (20) (19) (43) (29)
Total gains (losses) included in OCI 0 0 0 0
Foreign governments | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 17 28 12 29
Total realized and unrealized gains (losses) included in income 0 0 0 (1)
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements (6) (5) (1) (5)
Net Transfers In (Out) (11) 0 (11) 0
Ending Balance 0 23 0 23
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Corporate | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 6,428 5,605 6,650 4,321
Total realized and unrealized gains (losses) included in income 2 56 1 70
Total realized and unrealized gains (losses) included in OCI 47 51 (106) 78
Net Purchases, Issuances, Sales and Settlements 290 1,650 938 3,071
Net Transfers In (Out) (2,114) 30 (2,830) (148)
Ending Balance 4,653 7,392 4,653 7,392
Total gains (losses) included in earnings (1) 51 (8) 63
Total gains (losses) included in OCI 2 59 (52) 72
Corporate | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 982 1,108 1,200 1,108
Total realized and unrealized gains (losses) included in income 0 0 0 0
Total realized and unrealized gains (losses) included in OCI 1 (6) 9 (8)
Net Purchases, Issuances, Sales and Settlements (1) (3) (227) (1)
Net Transfers In (Out) 0 0 0 0
Ending Balance 982 1,099 982 1,099
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 1 (7) (2) (9)
CLO | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 1,333 1,070 1,333 696
Total realized and unrealized gains (losses) included in income 0 0 0 0
Total realized and unrealized gains (losses) included in OCI 1 0 1 (2)
Net Purchases, Issuances, Sales and Settlements 0 0 0 376
Net Transfers In (Out) 0 0 0 0
Ending Balance 1,334 1,070 1,334 1,070
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 1 0 0 (2)
ABS | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 24,784 12,572 22,207 16,529
Total realized and unrealized gains (losses) included in income (19) (17) (76) 5
Total realized and unrealized gains (losses) included in OCI 26 306 (137) 473
Net Purchases, Issuances, Sales and Settlements 1,686 1,926 4,649 1,845
Net Transfers In (Out) (2,545) (643) (2,711) (4,708)
Ending Balance 23,932 14,144 23,932 14,144
Total gains (losses) included in earnings (30) 3 (96) 4
Total gains (losses) included in OCI 1 321 (160) 494
ABS | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 17,603 10,385 15,277 9,741
Total realized and unrealized gains (losses) included in income (8) 2 (6) 3
Total realized and unrealized gains (losses) included in OCI 14 31 (35) 50
Net Purchases, Issuances, Sales and Settlements 4,081 393 6,358 1,017
Net Transfers In (Out) 76 (1) 172 (1)
Ending Balance 21,766 10,810 21,766 10,810
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 7 26 (43) 41
CMBS | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 19 0 41 0
Total realized and unrealized gains (losses) included in income 0 1 0 (23)
Total realized and unrealized gains (losses) included in OCI 0 (1) 0 (4)
Net Purchases, Issuances, Sales and Settlements 11 0 (11) 28
Net Transfers In (Out) 0 0 0 (1)
Ending Balance 30 0 30 0
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
RMBS | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 411 306 439 256
Total realized and unrealized gains (losses) included in income 4 5 8 9
Total realized and unrealized gains (losses) included in OCI 0 2 0 1
Net Purchases, Issuances, Sales and Settlements (34) 234 (66) 281
Net Transfers In (Out) 0 (49) 0 (49)
Ending Balance 381 498 381 498
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 1 1 2 1
Trading securities | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 143 7 18 22
Total realized and unrealized gains (losses) included in income 1 0 0 0
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 14 11 142 10
Net Transfers In (Out) 2 0 0 (14)
Ending Balance 160 18 160 18
Total gains (losses) included in earnings 0 (6) 0 (6)
Total gains (losses) included in OCI 0 0 0 0
Trading securities | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 1,376 437 454 573
Total realized and unrealized gains (losses) included in income (17) 0 (39) 0
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements (69) (40) 856 (176)
Net Transfers In (Out) 0 2 19 2
Ending Balance 1,290 399 1,290 399
Total gains (losses) included in earnings 2 1 (10) 1
Total gains (losses) included in OCI 0 0 0 0
Trading securities | Retirement Services | VIE, Primary Beneficiary        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 2,411 2,170 2,437 1,954
Total realized and unrealized gains (losses) included in income (21) 150 (67) 217
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 21 29 91 100
Net Transfers In (Out) (902) (11) (952) 67
Ending Balance 1,509 2,338 1,509 2,338
Total gains (losses) included in earnings (25) 148 (63) 214
Total gains (losses) included in OCI 0 0 0 0
Equity securities | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 8 26 8 27
Total realized and unrealized gains (losses) included in income (1) 0 (1) (1)
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 (18) 0 (18)
Net Transfers In (Out) 0 0 0 0
Ending Balance 7 8 7 8
Total gains (losses) included in earnings 0 0 0 (1)
Total gains (losses) included in OCI 0 0 0 0
Equity securities | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance   244 266 234
Total realized and unrealized gains (losses) included in income   22 (4) 32
Total realized and unrealized gains (losses) included in OCI   0 0 0
Net Purchases, Issuances, Sales and Settlements   0 (262) 0
Net Transfers In (Out)   0 0 0
Ending Balance 0 266 0 266
Total gains (losses) included in earnings   22 0 32
Total gains (losses) included in OCI   0 0 0
Mortgage loans | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 93,077 70,916 91,918 63,239
Total realized and unrealized gains (losses) included in income (638) 772 (1,384) 1,772
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 7,519 5,601 9,424 12,278
Net Transfers In (Out) 16 0 16 0
Ending Balance 99,974 77,289 99,974 77,289
Total gains (losses) included in earnings (794) 821 (1,543) 1,750
Total gains (losses) included in OCI 0 0 0 0
Mortgage loans | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 1,557 1,296 1,486 1,297
Total realized and unrealized gains (losses) included in income 0 10 (7) 24
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements (8) (31) 70 (46)
Net Transfers In (Out) 0 0 0 0
Ending Balance 1,549 1,275 1,549 1,275
Total gains (losses) included in earnings (2) 8 (9) 25
Total gains (losses) included in OCI 0 0 0 0
Mortgage loans | Retirement Services | VIE, Primary Beneficiary        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 2,031 2,519 2,140 2,579
Total realized and unrealized gains (losses) included in income 14 110 16 137
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 131 (85) 20 (172)
Net Transfers In (Out) (118) 0 (118) 0
Ending Balance 2,058 2,544 2,058 2,544
Total gains (losses) included in earnings 10 111 16 141
Total gains (losses) included in OCI 0 0 0 0
Investment funds | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 2,310 1,180 1,318 1,139
Total realized and unrealized gains (losses) included in income 1 114 (8) 155
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 3 1,001 3
Net Transfers In (Out) 0 0 0 0
Ending Balance 2,311 1,297 2,311 1,297
Total gains (losses) included in earnings 1 115 (9) 155
Total gains (losses) included in OCI 0 0 0 0
Investment funds | Retirement Services | VIE, Primary Beneficiary        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 288 289 286 770
Total realized and unrealized gains (losses) included in income 2 (18) 4 (3)
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 (1) 0 (497)
Net Transfers In (Out) 0 0 0 0
Ending Balance 290 270 290 270
Total gains (losses) included in earnings 2 (18) 4 (15)
Total gains (losses) included in OCI 0 0 0 0
Embedded derivatives | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (2,540) (2,847) (2,409) (3,035)
Total realized and unrealized gains (losses) included in income 136 104 5 292
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 0 0 0
Net Transfers In (Out) 0 0 0 0
Ending Balance (2,404) (2,743) (2,404) (2,743)
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Embedded derivatives | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance (381) (540) (356) (615)
Total realized and unrealized gains (losses) included in income 34 62 9 137
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 0 0 0
Net Transfers In (Out) 0 0 0 0
Ending Balance (347) (478) (347) (478)
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Derivative assets | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 2 1 2 1
Total realized and unrealized gains (losses) included in income 1 0 1 0
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 0 0 0
Net Transfers In (Out) 0 0 0 0
Ending Balance 3 1 3 1
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Short-term investments | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 1 48 0 169
Total realized and unrealized gains (losses) included in income 0 0 0 0
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 (36) 1 (156)
Net Transfers In (Out) 0 0 0 (1)
Ending Balance 1 12 1 12
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI 0 0 0 0
Other investments | Retirement Services        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 709 896 761 895
Total realized and unrealized gains (losses) included in income 0 1 0 2
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements (54) (156) (106) (156)
Net Transfers In (Out) 0 0 0 0
Ending Balance 655 741 655 741
Total gains (losses) included in earnings 0 (1) 0 (1)
Total gains (losses) included in OCI 0 0 0 0
Other investments | Retirement Services | Due to related parties        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance 341 340 344 331
Total realized and unrealized gains (losses) included in income (8) (1) (11) 8
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 0 0 0 0
Net Transfers In (Out) 0 0 0 0
Ending Balance 333 339 333 339
Total gains (losses) included in earnings (8) (1) (12) 8
Total gains (losses) included in OCI 0 0 0 0
Other investments | Retirement Services | VIE, Primary Beneficiary        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Beginning Balance   91   103
Total realized and unrealized gains (losses) included in income   (4)   0
Total realized and unrealized gains (losses) included in OCI   0   0
Net Purchases, Issuances, Sales and Settlements   279   263
Net Transfers In (Out)   0   0
Ending Balance   366   366
Total gains (losses) included in earnings   5   7
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 1,851 1,729 1,911 1,661
Total realized and unrealized gains (losses) included in income 29 5 (55) 35
Total realized and unrealized gains (losses) included in OCI 0 0 0 0
Net Purchases, Issuances, Sales and Settlements 40 46 64 84
Net Transfers In (Out) 0 0 0 0
Ending Balance 1,920 1,780 1,920 1,780
Total gains (losses) included in earnings 0 0 0 0
Total gains (losses) included in OCI $ 0 0 $ 0 0
Reinsurance recoverable | Retirement Services | VIE, Primary Beneficiary        
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]        
Net Purchases, Issuances, Sales and Settlements   46   84
Net Transfers In (Out)   $ 0   $ 0