v3.26.3
Lending Activities - Credit quality of commercial mortgages (Details)
$ in Millions
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]    
Total $ 55,199 $ 55,208
Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing receivable, excluding accrued interest, year one 3,739 4,818
Financing receivable, excluding accrued interest, year two 4,873 4,371
Financing receivable, excluding accrued interest, year three 3,980 1,993
Financing receivable, excluding accrued interest, year four 1,701 6,382
Financing receivable, excluding accrued interest, year five 5,876 2,498
Prior 17,599 16,947
Total $ 37,768 $ 37,009
Weighted average debt service coverage ratio 1.8 1.8
Weighted average loan-to-value ratio (as a percent) 61.00% 60.00%
Commercial Mortgages | Less than 65%    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing receivable, excluding accrued interest, year one $ 3,221 $ 4,007
Financing receivable, excluding accrued interest, year two 4,067 3,806
Financing receivable, excluding accrued interest, year three 3,550 1,824
Financing receivable, excluding accrued interest, year four 1,495 3,731
Financing receivable, excluding accrued interest, year five 2,962 1,815
Prior 10,796 10,145
Total 26,091 25,328
Commercial Mortgages | 65% to 75%    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing receivable, excluding accrued interest, year one 518 811
Financing receivable, excluding accrued interest, year two 806 565
Financing receivable, excluding accrued interest, year three 430 146
Financing receivable, excluding accrued interest, year four 147 2,275
Financing receivable, excluding accrued interest, year five 2,415 421
Prior 4,738 4,776
Total 9,054 8,994
Commercial Mortgages | 76% to 80%    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing receivable, excluding accrued interest, year one 0 0
Financing receivable, excluding accrued interest, year two 0 0
Financing receivable, excluding accrued interest, year three 0 0
Financing receivable, excluding accrued interest, year four 0 1
Financing receivable, excluding accrued interest, year five 0 42
Prior 358 549
Total 358 592
Commercial Mortgages | Greater than 80%    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing receivable, excluding accrued interest, year one 0 0
Financing receivable, excluding accrued interest, year two 0 0
Financing receivable, excluding accrued interest, year three 0 23
Financing receivable, excluding accrued interest, year four 59 375
Financing receivable, excluding accrued interest, year five 499 220
Prior 1,707 1,477
Total 2,265 2,095
Greater than 1.2X | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing receivable, excluding accrued interest, year one 3,607 4,633
Financing receivable, excluding accrued interest, year two 4,674 4,154
Financing receivable, excluding accrued interest, year three 3,546 1,695
Financing receivable, excluding accrued interest, year four 1,537 5,876
Financing receivable, excluding accrued interest, year five 5,436 2,333
Prior 15,012 14,172
Total 33,812 32,863
1.00 - 1.20X | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing receivable, excluding accrued interest, year one 132 185
Financing receivable, excluding accrued interest, year two 199 217
Financing receivable, excluding accrued interest, year three 376 275
Financing receivable, excluding accrued interest, year four 106 464
Financing receivable, excluding accrued interest, year five 157 73
Prior 1,696 1,932
Total 2,666 3,146
Less than 1.00X | Commercial Mortgages    
Financing Receivable, Credit Quality Indicator [Line Items]    
Financing receivable, excluding accrued interest, year one 0 0
Financing receivable, excluding accrued interest, year two 0 0
Financing receivable, excluding accrued interest, year three 58 23
Financing receivable, excluding accrued interest, year four 58 42
Financing receivable, excluding accrued interest, year five 283 92
Prior 891 843
Total $ 1,290 $ 1,000