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Financing Receivables - Credit Quality - Commercial Mortgage Loans by Region (Details) - Commercial Loans - Commercial mortgage loans - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Financing receivables - credit quality information |  |
Loans | $ 1,902 | $ 1,832
East North Central |  |
Financing receivables - credit quality information |  |
Loans | 185 | 189
East South Central |  |
Financing receivables - credit quality information |  |
Loans | 45 | 52
Middle Atlantic |  |
Financing receivables - credit quality information |  |
Loans | 133 | 112
Mountain |  |
Financing receivables - credit quality information |  |
Loans | 157 | 138
New England |  |
Financing receivables - credit quality information |  |
Loans | 30 | 28
Pacific |  |
Financing receivables - credit quality information |  |
Loans | 633 | 624
South Atlantic |  |
Financing receivables - credit quality information |  |
Loans | 489 | 465
West North Central |  |
Financing receivables - credit quality information |  |
Loans | 119 | 109
West South Central |  |
Financing receivables - credit quality information |  |
Loans | $ 111 | $ 115
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 | 10.00% | 10.00%
Total commercial mortgage loans | Credit concentration risk | East South Central |  |
Financing receivables - credit quality information |  |
Percentage of total | 2.00% | 3.00%
Total commercial mortgage loans | Credit concentration risk | Middle Atlantic |  |
Financing receivables - credit quality information |  |
Percentage of total | 7.00% | 6.00%
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 | 33.00% | 34.00%
Total commercial mortgage loans | Credit concentration risk | South Atlantic |  |
Financing receivables - credit quality information |  |
Percentage of total | 26.00% | 25.00%
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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