v3.26.3
Fair Value - Gross Components of Purchases, Sales, Issuances and Settlements, net (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases $ 25,092 $ 17,671 $ 65,967 $ 45,840        
Issuances 45 56 122 146        
Sales (1,204) (1,199) (2,983) (2,364)        
Settlements (5,948) (5,946) (22,100) (14,530)        
Purchases, (Sales), Issuances, (Settlements) 17,985 10,582 41,006 29,092        
Transfers in 2,577 81 2,583 432        
Transfers (out) (1,780) (1,894) (8,456) (7,471)        
Transfers in (out) 797 (1,813) (5,873) (7,039)        
Purchases 0 0 0 0        
Issuances (1,054) (1,002) (2,672) (2,615)        
Sales 0 0 0 0        
Settlements 333 324 942 788        
Purchases, (Sales), Issuances, (Settlements), Liabilities (721) (678) (1,730) (1,827)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 0 0 0 0        
Transfers (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 177,478 130,597 177,478 130,597 $ 162,601 $ 148,140 $ 121,135 $ 104,348
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value 18,639 17,034 18,639 17,034 18,872 17,384 14,979 13,850
Foreign governments | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements)   0 (1) (5)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 0 23 0 23   12 23 29
Foreign governments | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases       0        
Issuances       0        
Sales       0        
Settlements       (5)        
Purchases, (Sales), Issuances, (Settlements)       (5)        
Transfers in       0        
Transfers (out)       0        
Transfers in (out)   0   0        
Corporate | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 1,947 368 2,885 3,469        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 5,079 6,483 5,079 6,483 4,653 6,650 7,392 4,321
Corporate | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 4 109 13 122        
Issuances 0 0 0 0        
Sales 0 0 0 0        
Settlements (3) (2) (414) (8)        
Purchases, (Sales), Issuances, (Settlements) 1 107 (401) 114        
Transfers in 0   0 0        
Transfers (out) 0   0 0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 1,179 1,592 1,179 1,592 1,196 1,597 1,476 1,432
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Corporate | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 2,017 526 3,396 3,983        
Issuances 0 0 0 0        
Sales (25) (94) (262) (100)        
Settlements (45) (64) (249) (414)        
Purchases, (Sales), Issuances, (Settlements) 1,947 368 2,885 3,469        
Transfers in 46   46 174        
Transfers (out) (1,505)   (4,335) (1,607)        
Transfers in (out) (1,459) (1,255) (4,289) (1,433)        
Transfers in adjusted   78            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   (1,333)            
ABS | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 9,440 3,346 14,141 5,428        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 34,643 16,987 34,643 16,987 23,932 22,207 14,144 16,529
ABS | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 6,744 3,712 18,449 5,985        
Issuances 0 0 0 0        
Sales (296) (179) (1,247) (179)        
Settlements (469) (550) (4,699) (1,792)        
Purchases, (Sales), Issuances, (Settlements) 5,979 2,983 12,503 4,014        
Transfers in 0   6 0        
Transfers (out) 0   0 (23)        
Transfers in (out) 0 (8) 6 (23)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 27,635 13,836 27,635 13,836 21,766 15,277 10,810 9,741
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   (8)            
ABS | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 9,852 4,385 15,592 7,414        
Issuances 0 0 0 0        
Sales (90) (3) (167) (26)        
Settlements (322) (1,036) (1,284) (1,960)        
Purchases, (Sales), Issuances, (Settlements) 9,440 3,346 14,141 5,428        
Transfers in 2,531   2,531 242        
Transfers (out) (275)   (3,038) (5,734)        
Transfers in (out) 2,256 (547) (507) (5,492)        
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   (547)            
CMBS | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 0   (11) 28        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 29 0 29 0 30 41   0
CMBS | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases     11 28        
Issuances     0 0        
Sales     (22) 0        
Settlements     0 0        
Purchases, (Sales), Issuances, (Settlements)     (11) 28        
Transfers in     0 13        
Transfers (out)     0 (14)        
Transfers in (out) 0   0 (1)        
RMBS | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) (243) (14) (309) 267        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 139 489 139 489 381 439 498 256
RMBS | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 0 18 0 315        
Issuances 0 0 0 0        
Sales 0 0 0 0        
Settlements (243) (32) (309) (48)        
Purchases, (Sales), Issuances, (Settlements) (243) (14) (309) 267        
Transfers in 0   0 0        
Transfers (out) 0   0 (49)        
Transfers in (out) 0 0 0 (49)        
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Trading securities | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 178 (1) 322 9        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 325 12 325 12 160 18 18 22
Trading securities | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 48 28 995 100        
Issuances 0 0 0 0        
Sales 0 0 0 (91)        
Settlements (26) (12) (98) (167)        
Purchases, (Sales), Issuances, (Settlements) 22 16 897 (158)        
Transfers in 0   0 1        
Transfers (out) 0   0 0        
Transfers in (out) 0 1 0 1        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 1,257 411 1,257 411 1,290 454 399 573
Transfers in adjusted   1            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Trading securities | Variable Interest Entities                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 0 108 195 633        
Issuances 0 0 0 0        
Sales (605) (486) (709) (821)        
Settlements 0 0 0 0        
Purchases, (Sales), Issuances, (Settlements) (605) (378) (514) (188)        
Transfers in 0   0 2        
Transfers (out) 0   (952) (23)        
Transfers in (out) 0 2 (952) (21)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 885 1,958 885 1,958 1,509 2,437 2,338 1,954
Transfers in adjusted   2            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Trading securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 179 0 327 11        
Issuances 0 0 0 0        
Sales 0 0 (2) 0        
Settlements (1) (1) (3) (2)        
Purchases, (Sales), Issuances, (Settlements) 178 (1) 322 9        
Transfers in 0   0 0        
Transfers (out) 0   (2) (14)        
Transfers in (out) 0 0 (2) (14)        
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Equity securities | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 0 0 0 (18)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 3 7 3 7 7 8 8 27
Equity securities | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases     0          
Issuances     0          
Sales     0          
Settlements     (262)          
Purchases, (Sales), Issuances, (Settlements)   0 (262) 0        
Transfers in     0          
Transfers (out)     0          
Transfers in (out)   0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 0 265 0 265   266 266 234
Equity securities | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases       0        
Issuances       0        
Sales       0        
Settlements       (18)        
Purchases, (Sales), Issuances, (Settlements)       (18)        
Transfers in       0        
Transfers (out)       0        
Transfers in (out) 0 0 0 0        
Derivatives | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 0   0          
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 3   3   3 2    
Derivatives | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Transfers in (out) 0   0 0        
Mortgage loans | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 1,547 4,436 10,987 16,714        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 99,675 81,891 99,675 81,891 99,974 91,918 77,289 63,239
Mortgage loans | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 88 75 311 75        
Issuances 0 0 0 0        
Sales 0 0 0 (15)        
Settlements (82) (5) (235) (36)        
Purchases, (Sales), Issuances, (Settlements) 6 70 76 24        
Transfers in 0   0 0        
Transfers (out) 0   0 0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 1,525 1,375 1,525 1,375 1,549 1,486 1,275 1,297
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Mortgage loans | Variable Interest Entities                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 0 32 347 66        
Issuances 0 0 0 0        
Sales (161) (436) (225) (446)        
Settlements (27) (60) (290) (256)        
Purchases, (Sales), Issuances, (Settlements) (188) (464) (168) (636)        
Transfers in 0   0 0        
Transfers (out) 0   (118) (1)        
Transfers in (out) 0 (1) (118) (1)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 1,836 2,080 1,836 2,080 2,058 2,140 2,544 2,579
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   (1)            
Mortgage loans | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 6,160 8,160 25,318 25,920        
Issuances 0 0 0 0        
Sales (27) 0 (344) (172)        
Settlements (4,586) (3,724) (13,987) (9,034)        
Purchases, (Sales), Issuances, (Settlements) 1,547 4,436 10,987 16,714        
Transfers in 0   0 0        
Transfers (out) 0   0 0        
Transfers in (out) 0 0 0 0        
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Short-term investments | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) (1) 6   (150)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 0 18 0 18 1   12 169
Short-term investments | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 0 18 2 30        
Issuances 0 0 0 0        
Sales 0 0 0 0        
Settlements (1) (12) (2) (180)        
Purchases, (Sales), Issuances, (Settlements) (1) 6 0 (150)        
Transfers in 0   0 0        
Transfers (out) 0   0 (1)        
Transfers in (out) 0 0 0 (1)        
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Investment funds | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases     1,006 3        
Issuances     0 0        
Sales     (5) 0        
Settlements     0 0        
Purchases, (Sales), Issuances, (Settlements) 0 0 1,001 3        
Transfers in     0 0        
Transfers (out)     0 0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 2,327 1,306 2,327 1,306 2,311 1,318 1,297 1,139
Investment funds | Variable Interest Entities                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases   0   0        
Issuances   0   0        
Sales   (1)   (498)        
Settlements   0   0        
Purchases, (Sales), Issuances, (Settlements) 0 (1) 0 (498)        
Transfers in       0        
Transfers (out)       0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 287 263 287 263 290 286 270 770
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Reinsurance recoverable                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 0 0 0 0        
Issuances 45 56 122 146        
Sales 0 0 0 0        
Settlements (7) (4) (20) (10)        
Purchases, (Sales), Issuances, (Settlements) 38 52 102 136        
Transfers in 0   0 0        
Transfers (out) 0   0 0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 1,812 1,901 1,812 1,901 1,920 1,911 1,780 1,661
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Other Investments | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) (136) 128 (242) (28)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 519 869 519 869 655 761 741 895
Other Investments | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 0 0 0 0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value 319 345 319 345 333 344 339 331
Other Investments | Variable Interest Entities                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases   301   580        
Issuances   0   0        
Sales   0   (16)        
Settlements   0   0        
Purchases, (Sales), Issuances, (Settlements)   301   564        
Transfers in       0        
Transfers (out)       (5)        
Transfers in (out)   (5)   (5)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value   664   664     366 103
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   (5)            
Other Investments | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 0 199 0 199        
Issuances 0 0 0 0        
Sales 0 0 0 0        
Settlements (136) (71) (242) (227)        
Purchases, (Sales), Issuances, (Settlements) (136) 128 (242) (28)        
Transfers in 0 0 0 0        
Transfers (out) 0 0 0 0        
Transfers in (out) 0 0 0 0        
CLO | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases   0   376        
Issuances   0   0        
Sales   0   0        
Settlements   (373)   (373)        
Purchases, (Sales), Issuances, (Settlements)   (373)   3        
Transfers in       0        
Transfers (out)       0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value   698   698     1,070 696
Transfers in adjusted   0            
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3, Including Prior Period Adjustments   0            
Foreign Government Debt | Consolidated Entity, Excluding Variable Interest Entities (VIE) and Investments in Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases     5          
Issuances     0          
Sales     0          
Settlements     (6)          
Purchases, (Sales), Issuances, (Settlements)     (1)          
Transfers in     0          
Transfers (out)     (11)          
Transfers in (out)     (11)          
Embedded derivatives | Funds withheld at interest | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 0 0 0 0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value (2,846) (2,473) (2,846) (2,473) (2,404) (2,409) (2,743) (3,035)
Embedded derivatives | Funds withheld at interest | Related Party                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements) 0 0 0 0        
Transfers in (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value (487) (405) (487) (405) (347) (356) (478) (615)
Embedded derivatives | Derivatives | Consolidated Entity, excluding Affiliated Entity                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements)   0   0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value   2   2     1 1
Interest Sensitive Contracts | Universal life                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements), Liabilities 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value 678 777 678 777 742 766 755 742
Interest Sensitive Contracts | Embedded derivatives                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases 0 0 0 0        
Issuances (1,054) (1,002) (2,672) (2,615)        
Sales 0 0 0 0        
Settlements 333 239 920 702        
Purchases, (Sales), Issuances, (Settlements), Liabilities (721) (763) (1,752) (1,913)        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 0 0 0 0        
Transfers (out) 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value 16,413 14,299 16,413 14,299 16,384 14,749 12,276 11,242
Derivative Financial Instruments, Liabilities                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements), Liabilities 0   0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 0   0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value 140 0 140 0 8 0   1
Future Policy Benefits | AmerUs Closed Block                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements), Liabilities 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value 985 1,102 985 1,102 1,054 1,085 1,097 1,102
Future Policy Benefits | ILICO Closed Block and life benefits                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases, (Sales), Issuances, (Settlements), Liabilities 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 0 0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value 489 548 489 548 510 530 556 538
Other Liabilities                
Fair Value, Assets and Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]                
Purchases   0 0 0        
Issuances   0 0 0        
Sales   0 0 0        
Settlements   85 22 86        
Purchases, (Sales), Issuances, (Settlements), Liabilities 0 85 22 86        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 0 0 0 0        
Transfers (out)   0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net   0 0 0        
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value $ (66) $ 308 $ (66) $ 308 $ 174 $ 254 $ 295 $ 225