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Financing Receivables - Residential Mortgage Loans by Region (Details) - Consumer Loans - Residential mortgage loans - USD ($) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023
Financing receivables - credit quality information |  |
Loans | $ 424 | $ 300
Total residential mortgage loans | Credit concentration risk |  |
Financing receivables - credit quality information |  |
Percentage of total | 100.00% | 100.00%
Minnesota |  |
Financing receivables - credit quality information |  |
Loans | $ 254 | $ 178
Minnesota | Total residential mortgage loans | Credit concentration risk |  |
Financing receivables - credit quality information |  |
Percentage of total | 60.00% | 59.00%
Other U.S. States |  |
Financing receivables - credit quality information |  |
Loans | $ 170 | $ 122
Other U.S. States | Total residential mortgage loans | Credit concentration risk |  |
Financing receivables - credit quality information |  |
Percentage of total | 40.00% | 41.00%

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