v3.26.1
Contracts Accounted for as Financial Guaranty Insurance - Expected Future Premium Collections and Earnings (Details)
$ in Millions
3 Months Ended
Mar. 31, 2026
USD ($)
Consolidated Entity Excluding Variable Interest Entities (VIE)  
Future Premiums to be Collected [Abstract]  
2026 (April 1 - June 30) $ 82
2026 (July 1 - September 30) 52
2026 (October 1 - December 31) 31
Subtotal 2026 165
2027 139
2028 129
2029 115
2030 102
2031-2035 417
2036-2040 331
2041-2045 250
2046-2050 187
2051-2055 106
After 2055 101
Total 2,042
Financial Guarantee Insurance Product Line  
Earnings of Deferred Premium Revenue  
2026 (April 1 - June 30) 81
2026 (July 1 - September 30) 79
2026 (October 1 - December 31) 77
Subtotal 2026 237
2027 289
2028 270
2029 250
2030 232
2031-2035 902
2036-2040 584
2041-2045 387
2046-2050 248
2051-2055 120
After 2055 86
Total 3,605
Accretion of Discount  
2026 (April 1 - June 30) 10
2026 (July 1 - September 30) 10
2026 (October 1 - December 31) 10
Subtotal 2026 30
2027 37
2028 34
2029 32
2030 30
2031-2035 128
2036-2040 92
2041-2045 60
2046-2050 33
2051-2055 14
After 2055 10
Total 500
Total  
2026 (April 1 - June 30) 91
2026 (July 1 - September 30) 89
2026 (October 1 - December 31) 87
Subtotal 2026 267
2027 326
2028 304
2029 282
2030 262
2031-2035 1,030
2036-2040 676
2041-2045 447
2046-2050 281
2051-2055 134
After 2055 96
Total $ 4,105