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Financing Receivables - Credit Quality - Commercial Mortgage Loans by Region (Details) - Commercial Loans - Commercial mortgage loans - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Dec. 31, 2024
Financing receivables - credit quality information |  |
Loans | $ 1,993 | $ 1,902
East North Central |  |
Financing receivables - credit quality information |  |
Loans | 187 | 185
East South Central |  |
Financing receivables - credit quality information |  |
Loans | 45 | 45
Middle Atlantic |  |
Financing receivables - credit quality information |  |
Loans | 120 | 133
Mountain |  |
Financing receivables - credit quality information |  |
Loans | 169 | 157
New England |  |
Financing receivables - credit quality information |  |
Loans | 35 | 30
Pacific |  |
Financing receivables - credit quality information |  |
Loans | 667 | 633
South Atlantic |  |
Financing receivables - credit quality information |  |
Loans | 538 | 489
West North Central |  |
Financing receivables - credit quality information |  |
Loans | 114 | 119
West South Central |  |
Financing receivables - credit quality information |  |
Loans | $ 118 | $ 111
Total commercial mortgage loans | Credit concentration risk |  |
Financing receivables - credit quality information |  |
Percentage of total | 100.00% | 100.00%
Total commercial mortgage loans | Credit concentration risk | East North Central |  |
Financing receivables - credit quality information |  |
Percentage of total | 9.00% | 10.00%
Total commercial mortgage loans | Credit concentration risk | East South Central |  |
Financing receivables - credit quality information |  |
Percentage of total | 2.00% | 2.00%
Total commercial mortgage loans | Credit concentration risk | Middle Atlantic |  |
Financing receivables - credit quality information |  |
Percentage of total | 6.00% | 7.00%
Total commercial mortgage loans | Credit concentration risk | Mountain |  |
Financing receivables - credit quality information |  |
Percentage of total | 8.00% | 8.00%
Total commercial mortgage loans | Credit concentration risk | New England |  |
Financing receivables - credit quality information |  |
Percentage of total | 2.00% | 2.00%
Total commercial mortgage loans | Credit concentration risk | Pacific |  |
Financing receivables - credit quality information |  |
Percentage of total | 34.00% | 33.00%
Total commercial mortgage loans | Credit concentration risk | South Atlantic |  |
Financing receivables - credit quality information |  |
Percentage of total | 27.00% | 26.00%
Total commercial mortgage loans | Credit concentration risk | West North Central |  |
Financing receivables - credit quality information |  |
Percentage of total | 6.00% | 6.00%
Total commercial mortgage loans | Credit concentration risk | West South Central |  |
Financing receivables - credit quality information |  |
Percentage of total | 6.00% | 6.00%

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