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Debt Service Coverage Ratio for Fixed Rate Commercial Mortgage Loans by Property Type (Detail) - USD ($) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 | Dec. 31, 2023
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 6,692 | $ 6,829
% of total | 100.00% | 100.00%
Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 6,692 | $ 6,829
% of total | 100.00% | 100.00%
Weighted-average debt-to-value | 55.00% | 55.00%
Retail |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 2,794 | $ 2,858
% of total | 42.00% | 42.00%
Retail | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 2,794 | $ 2,858
Industrial |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 1,400 | $ 1,440
% of total | 21.00% | 21.00%
Industrial | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 1,400 | $ 1,440
Office |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 1,457 | $ 1,481
% of total | 22.00% | 22.00%
Office | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 1,457 | $ 1,481
Apartments |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 513 | $ 522
% of total | 8.00% | 8.00%
Apartments | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 513 | $ 522
Mixed Use |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 372 | $ 371
% of total | 5.00% | 5.00%
Mixed Use | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 372 | $ 371
Other |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 156 | $ 157
% of total | 2.00% | 2.00%
Other | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 156 | $ 157
Less than 1.00 | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 253 | $ 265
% of total | 4.00% | 4.00%
Weighted-average debt-to-value | 63.00% | 64.00%
Less than 1.00 | Retail | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 49 | $ 54
Less than 1.00 | Industrial | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 42 | 43
Less than 1.00 | Office | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 99 | 105
Less than 1.00 | Apartments | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 12 | 12
Less than 1.00 | Mixed Use | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 27 | 27
Less than 1.00 | Other | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 24 | 24
1.00 - 1.25 | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 255 | $ 263
% of total | 4.00% | 4.00%
Weighted-average debt-to-value | 62.00% | 63.00%
1.00 - 1.25 | Retail | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 106 | $ 105
1.00 - 1.25 | Industrial | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 30 | 30
1.00 - 1.25 | Office | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 45 | 48
1.00 - 1.25 | Apartments | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 50 | 51
1.00 - 1.25 | Mixed Use | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 10 | 14
1.00 - 1.25 | Other | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 14 | 15
1.26 - 1.50 | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 1,223 | $ 1,196
% of total | 18.00% | 17.00%
Weighted-average debt-to-value | 64.00% | 65.00%
1.26 - 1.50 | Retail | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 578 | $ 583
1.26 - 1.50 | Industrial | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 209 | 181
1.26 - 1.50 | Office | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 244 | 244
1.26 - 1.50 | Apartments | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 79 | 86
1.26 - 1.50 | Mixed Use | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 91 | 80
1.26 - 1.50 | Other | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 22 | 22
1.51 - 2.00 | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 2,569 | $ 2,611
% of total | 38.00% | 38.00%
Weighted-average debt-to-value | 57.00% | 58.00%
1.51 - 2.00 | Retail | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 1,120 | $ 1,142
1.51 - 2.00 | Industrial | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 472 | 471
1.51 - 2.00 | Office | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 601 | 615
1.51 - 2.00 | Apartments | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 184 | 187
1.51 - 2.00 | Mixed Use | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 161 | 164
1.51 - 2.00 | Other | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 31 | 32
Greater than 2.00 | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 2,392 | $ 2,494
% of total | 36.00% | 37.00%
Weighted-average debt-to-value | 46.00% | 46.00%
Greater than 2.00 | Retail | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 941 | $ 974
Greater than 2.00 | Industrial | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 647 | 715
Greater than 2.00 | Office | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 468 | 469
Greater than 2.00 | Apartments | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 188 | 186
Greater than 2.00 | Mixed Use | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 83 | 86
Greater than 2.00 | Other | Fixed Rate Commercial Mortgage Loans |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 65 | $ 64

X
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