v3.26.1
Contracts Accounted for as Financial Guaranty Insurance - Expected Future Premium Collections and Earnings (Details)
$ in Millions
6 Months Ended
Jun. 30, 2026
USD ($)
Consolidated Entity Excluding Variable Interest Entities (VIE)  
Future Premiums to be Collected [Abstract]  
2026 (July 1 - September 30) $ 76
2026 (October 1 - December 31) 46
Subtotal 2026 122
2027 144
2028 131
2029 116
2030 103
2031-2035 420
2036-2040 338
2041-2045 258
2046-2050 194
2051-2055 109
After 2055 102
Total 2,037
Financial Guarantee Insurance Product Line  
Earnings of Deferred Premium Revenue  
2026 (July 1 - September 30) 81
2026 (October 1 - December 31) 80
Subtotal 2026 161
2027 297
2028 275
2029 253
2030 235
2031-2035 917
2036-2040 592
2041-2045 395
2046-2050 255
2051-2055 124
After 2055 88
Total 3,592
Accretion of Discount  
2026 (July 1 - September 30) 10
2026 (October 1 - December 31) 10
Subtotal 2026 20
2027 37
2028 35
2029 33
2030 31
2031-2035 132
2036-2040 96
2041-2045 63
2046-2050 35
2051-2055 15
After 2055 10
Total 507
Total  
2026 (July 1 - September 30) 91
2026 (October 1 - December 31) 90
Subtotal 2026 181
2027 334
2028 310
2029 286
2030 266
2031-2035 1,049
2036-2040 688
2041-2045 458
2046-2050 290
2051-2055 139
After 2055 98
Total $ 4,099