v3.26.1
INVESTMENTS - Credit Quality (Details) - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total $ 23,071 $ 22,981
Total 22,976 22,933
Non-accruing Loans 95 48
Non-accruing Loans with No Allowance 0 9
Interest Income on Non-accruing Loans 0 0
Mortgage loans, at fair value using the fair value option 72 50
Past Due    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 53 47
30-59 Days    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 28 18
60-89 Days    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 3 1
90 Days or More    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 22 28
Current    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 22,923 22,886
Commercial    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 284 3,095
Fiscal year before current fiscal year 3,106 1,690
Two years before current fiscal year 1,643 1,321
Three years before current fiscal year 1,243 2,980
Four years before current fiscal year 2,959 2,009
Prior 8,132 6,170
Revolving Loans Amortized Cost Basis 506 517
Revolving Loans Converted to Term Loans Amortized Cost Basis 671 603
Total 18,544 18,385
Total 18,459 18,348
Non-accruing Loans 85 37
Non-accruing Loans with No Allowance 0 0
Interest Income on Non-accruing Loans 0 0
Commercial | Past Due    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 0 0
Commercial | 30-59 Days    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 0 0
Commercial | 60-89 Days    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 0 0
Commercial | 90 Days or More    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 0 0
Commercial | Current    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 18,459 18,348
Commercial | Greater than 2.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 127
Fiscal year before current fiscal year 127 185
Two years before current fiscal year 185 175
Three years before current fiscal year 175 1,036
Four years before current fiscal year 1,150 1,069
Prior 3,747 2,683
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 5,384 5,275
Commercial | 1.8x to 2.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 69
Fiscal year before current fiscal year 0 103
Two years before current fiscal year 103 58
Three years before current fiscal year 0 0
Four years before current fiscal year 0 209
Prior 1,184 978
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 307 307
Total 1,594 1,724
Commercial | 1.5x to 1.8x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 169
Fiscal year before current fiscal year 170 472
Two years before current fiscal year 424 311
Three years before current fiscal year 285 818
Four years before current fiscal year 804 48
Prior 1,234 1,190
Revolving Loans Amortized Cost Basis 72 72
Revolving Loans Converted to Term Loans Amortized Cost Basis 164 165
Total 3,153 3,245
Commercial | 1.2x to 1.5x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 84 2,112
Fiscal year before current fiscal year 2,115 814
Two years before current fiscal year 813 355
Three years before current fiscal year 387 478
Four years before current fiscal year 479 385
Prior 711 328
Revolving Loans Amortized Cost Basis 30 271
Revolving Loans Converted to Term Loans Amortized Cost Basis 94 94
Total 4,713 4,837
Commercial | 1.0x to 1.2x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 200 618
Fiscal year before current fiscal year 694 116
Two years before current fiscal year 118 412
Three years before current fiscal year 262 390
Four years before current fiscal year 351 190
Prior 1,098 910
Revolving Loans Amortized Cost Basis 404 174
Revolving Loans Converted to Term Loans Amortized Cost Basis 106 37
Total 3,233 2,847
Commercial | Less than 1.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 0
Fiscal year before current fiscal year 0 0
Two years before current fiscal year 0 10
Three years before current fiscal year 134 258
Four years before current fiscal year 175 108
Prior 158 81
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 467 457
Commercial | 0% - 50%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 60
Fiscal year before current fiscal year 60 185
Two years before current fiscal year 185 237
Three years before current fiscal year 237 612
Four years before current fiscal year 612 204
Prior 1,916 1,770
Revolving Loans Amortized Cost Basis 14 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 3,024 3,068
Commercial | 50% - 70%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 128 2,611
Fiscal year before current fiscal year 2,483 1,256
Two years before current fiscal year 1,208 856
Three years before current fiscal year 768 975
Four years before current fiscal year 963 638
Prior 2,551 1,980
Revolving Loans Amortized Cost Basis 332 357
Revolving Loans Converted to Term Loans Amortized Cost Basis 329 270
Total 8,762 8,943
Commercial | 70% - 90%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 156 424
Fiscal year before current fiscal year 559 249
Two years before current fiscal year 250 228
Three years before current fiscal year 238 803
Four years before current fiscal year 794 640
Prior 2,060 1,310
Revolving Loans Amortized Cost Basis 160 160
Revolving Loans Converted to Term Loans Amortized Cost Basis 342 333
Total 4,559 4,147
Commercial | 90% plus    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 0
Fiscal year before current fiscal year 4 0
Two years before current fiscal year 0 0
Three years before current fiscal year 0 590
Four years before current fiscal year 590 527
Prior 1,605 1,110
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 2,199 2,227
Agricultural    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 45 306
Fiscal year before current fiscal year 301 196
Two years before current fiscal year 191 147
Three years before current fiscal year 146 271
Four years before current fiscal year 268 319
Prior 1,699 1,411
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 2,650 2,650
Total 2,640 2,639
Non-accruing Loans 10 11
Non-accruing Loans with No Allowance 0 9
Interest Income on Non-accruing Loans 0 0
Agricultural | Past Due    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 43 37
Agricultural | 30-59 Days    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 26 13
Agricultural | 60-89 Days    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 0 0
Agricultural | 90 Days or More    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 17 24
Agricultural | Current    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 2,597 2,602
Agricultural | Greater than 2.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 15 28
Fiscal year before current fiscal year 28 8
Two years before current fiscal year 8 5
Three years before current fiscal year 5 11
Four years before current fiscal year 11 31
Prior 215 187
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 282 270
Agricultural | 1.8x to 2.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 26
Fiscal year before current fiscal year 26 10
Two years before current fiscal year 10 17
Three years before current fiscal year 16 23
Four years before current fiscal year 44 54
Prior 143 92
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 239 222
Agricultural | 1.5x to 1.8x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 10 37
Fiscal year before current fiscal year 44 46
Two years before current fiscal year 45 11
Three years before current fiscal year 11 59
Four years before current fiscal year 37 38
Prior 309 270
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 456 461
Agricultural | 1.2x to 1.5x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 9 86
Fiscal year before current fiscal year 75 45
Two years before current fiscal year 41 41
Three years before current fiscal year 41 66
Four years before current fiscal year 65 119
Prior 592 484
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 823 841
Agricultural | 1.0x to 1.2x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 10 104
Fiscal year before current fiscal year 104 69
Two years before current fiscal year 69 43
Three years before current fiscal year 43 88
Four years before current fiscal year 87 67
Prior 393 339
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 706 710
Agricultural | Less than 1.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 1 25
Fiscal year before current fiscal year 24 18
Two years before current fiscal year 18 30
Three years before current fiscal year 30 24
Four years before current fiscal year 24 10
Prior 47 39
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 144 146
Agricultural | 0% - 50%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 27 188
Fiscal year before current fiscal year 185 37
Two years before current fiscal year 38 99
Three years before current fiscal year 99 134
Four years before current fiscal year 139 218
Prior 1,305 1,087
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 1,793 1,763
Agricultural | 50% - 70%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 18 118
Fiscal year before current fiscal year 116 159
Two years before current fiscal year 153 48
Three years before current fiscal year 47 137
Four years before current fiscal year 129 101
Prior 385 315
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 848 878
Agricultural | 70% - 90%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 0
Fiscal year before current fiscal year 0 0
Two years before current fiscal year 0 0
Three years before current fiscal year 0 0
Four years before current fiscal year 0 0
Prior 0 0
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 0 0
Agricultural | 90% plus    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 0
Fiscal year before current fiscal year 0 0
Two years before current fiscal year 0 0
Three years before current fiscal year 0 0
Four years before current fiscal year 0 0
Prior 9 9
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 9 9
Residential mortgages:    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 29 711
Fiscal year before current fiscal year 729 602
Two years before current fiscal year 524 340
Three years before current fiscal year 308 168
Four years before current fiscal year 164 121
Prior 123 4
Total 1,877 1,946
Total 1,877 1,946
Non-accruing Loans 0 0
Non-accruing Loans with No Allowance 0 0
Interest Income on Non-accruing Loans 0 0
Residential mortgages: | Past Due    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 10 10
Residential mortgages: | 30-59 Days    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 2 5
Residential mortgages: | 60-89 Days    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 3 1
Residential mortgages: | 90 Days or More    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 5 4
Residential mortgages: | Current    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Total 1,867 1,936
Total commercial and agricultural mortgage loans:    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 329 3,401
Fiscal year before current fiscal year 3,407 1,886
Two years before current fiscal year 1,834 1,468
Three years before current fiscal year 1,389 3,251
Four years before current fiscal year 3,227 2,328
Prior 9,831 7,581
Revolving Loans Amortized Cost Basis 506 517
Revolving Loans Converted to Term Loans Amortized Cost Basis 671 603
Total 21,194 21,035
Total commercial and agricultural mortgage loans: | Greater than 2.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 15 155
Fiscal year before current fiscal year 155 193
Two years before current fiscal year 193 180
Three years before current fiscal year 180 1,047
Four years before current fiscal year 1,161 1,100
Prior 3,962 2,870
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 5,666 5,545
Total commercial and agricultural mortgage loans: | 1.8x to 2.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 95
Fiscal year before current fiscal year 26 113
Two years before current fiscal year 113 75
Three years before current fiscal year 16 23
Four years before current fiscal year 44 263
Prior 1,327 1,070
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 307 307
Total 1,833 1,946
Total commercial and agricultural mortgage loans: | 1.5x to 1.8x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 10 206
Fiscal year before current fiscal year 214 518
Two years before current fiscal year 469 322
Three years before current fiscal year 296 877
Four years before current fiscal year 841 86
Prior 1,543 1,460
Revolving Loans Amortized Cost Basis 72 72
Revolving Loans Converted to Term Loans Amortized Cost Basis 164 165
Total 3,609 3,706
Total commercial and agricultural mortgage loans: | 1.2x to 1.5x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 93 2,198
Fiscal year before current fiscal year 2,190 859
Two years before current fiscal year 854 396
Three years before current fiscal year 428 544
Four years before current fiscal year 544 504
Prior 1,303 812
Revolving Loans Amortized Cost Basis 30 271
Revolving Loans Converted to Term Loans Amortized Cost Basis 94 94
Total 5,536 5,678
Total commercial and agricultural mortgage loans: | 1.0x to 1.2x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 210 722
Fiscal year before current fiscal year 798 185
Two years before current fiscal year 187 455
Three years before current fiscal year 305 478
Four years before current fiscal year 438 257
Prior 1,491 1,249
Revolving Loans Amortized Cost Basis 404 174
Revolving Loans Converted to Term Loans Amortized Cost Basis 106 37
Total 3,939 3,557
Total commercial and agricultural mortgage loans: | Less than 1.0x    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 1 25
Fiscal year before current fiscal year 24 18
Two years before current fiscal year 18 40
Three years before current fiscal year 164 282
Four years before current fiscal year 199 118
Prior 205 120
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 611 603
Total commercial and agricultural mortgage loans: | 0% - 50%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 27 248
Fiscal year before current fiscal year 245 222
Two years before current fiscal year 223 336
Three years before current fiscal year 336 746
Four years before current fiscal year 751 422
Prior 3,221 2,857
Revolving Loans Amortized Cost Basis 14 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total 4,817 4,831
Total commercial and agricultural mortgage loans: | 50% - 70%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 146 2,729
Fiscal year before current fiscal year 2,599 1,415
Two years before current fiscal year 1,361 904
Three years before current fiscal year 815 1,112
Four years before current fiscal year 1,092 739
Prior 2,936 2,295
Revolving Loans Amortized Cost Basis 332 357
Revolving Loans Converted to Term Loans Amortized Cost Basis 329 270
Total 9,610 9,821
Total commercial and agricultural mortgage loans: | 70% - 90%    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 156 424
Fiscal year before current fiscal year 559 249
Two years before current fiscal year 250 228
Three years before current fiscal year 238 803
Four years before current fiscal year 794 640
Prior 2,060 1,310
Revolving Loans Amortized Cost Basis 160 160
Revolving Loans Converted to Term Loans Amortized Cost Basis 342 333
Total 4,559 4,147
Total commercial and agricultural mortgage loans: | 90% plus    
Financing Receivable, before Allowance for Credit Loss [Abstract]    
Current fiscal year 0 0
Fiscal year before current fiscal year 4 0
Two years before current fiscal year 0 0
Three years before current fiscal year 0 590
Four years before current fiscal year 590 527
Prior 1,614 1,119
Revolving Loans Amortized Cost Basis 0 0
Revolving Loans Converted to Term Loans Amortized Cost Basis 0 0
Total $ 2,208 $ 2,236