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Debt-to-Value of Commercial Mortgage Loans by Property Type (Detail) $ in Millions | 6 Months Ended | 12 Months Ended
--- | --- | ---
Jun. 30, 2024 USD ($) | Dec. 31, 2023 USD ($)
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 service coverage ratio | 1.95 | 1.96
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%
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%
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%
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%
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%
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%
0% - 50% |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 2,280 | $ 2,368
% of total | 34.00% | 35.00%
Weighted-average debt service coverage ratio | 2.4 | 2.42
0% - 50% | Retail |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 922 | $ 945
0% - 50% | Industrial |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 610 | 670
0% - 50% | Office |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 346 | 350
0% - 50% | Apartments |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 199 | 194
0% - 50% | Mixed Use |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 115 | 120
0% - 50% | Other |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 88 | 89
51% - 60% |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 1,452 | $ 1,393
% of total | 22.00% | 20.00%
Weighted-average debt service coverage ratio | 1.85 | 1.87
51% - 60% | Retail |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 729 | $ 686
51% - 60% | Industrial |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 251 | 250
51% - 60% | Office |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 341 | 325
51% - 60% | Apartments |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 62 | 61
51% - 60% | Mixed Use |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 59 | 61
51% - 60% | Other |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 10 | 10
61% - 75% |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 2,910 | $ 3,018
% of total | 43.00% | 44.00%
Weighted-average debt service coverage ratio | 1.67 | 1.66
61% - 75% | Retail |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 1,143 | $ 1,227
61% - 75% | Industrial |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 539 | 520
61% - 75% | Office |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 735 | 771
61% - 75% | Apartments |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 244 | 259
61% - 75% | Mixed Use |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 191 | 183
61% - 75% | Other |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 58 | 58
76% - 100% |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 50 | $ 50
% of total | 1.00% | 1.00%
Weighted-average debt service coverage ratio | 0.87 | 0.87
76% - 100% | Retail |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 0 | $ 0
76% - 100% | Industrial |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 0 | 0
76% - 100% | Office |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 35 | 35
76% - 100% | Apartments |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 8 | 8
76% - 100% | Mixed Use |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 7 | 7
76% - 100% | Other |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 0 | 0
Greater than 100% |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 0 | $ 0
% of total | 0.00% | 0.00%
Weighted-average debt service coverage ratio | 0 | 0
Greater than 100% | Retail |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 0 | $ 0
Greater than 100% | Industrial |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 0 | 0
Greater than 100% | Office |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 0 | 0
Greater than 100% | Apartments |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 0 | 0
Greater than 100% | Mixed Use |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | 0 | 0
Greater than 100% | Other |  |
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items] |  |
Commercial mortgage loans, amortized cost | $ 0 | $ 0

X
- Definition This item represents the recorded investment of certain commercial mortgage loans as a percentage of the total recorded investment of commercial mortgage loans. + References No definition available. + Details
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- Definition This item represents the normalized annual income of the borrowers compared to the payments required under the terms of the corresponding loans. + References No definition available. + Details
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