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INVESTMENTS - Amortized Cost of Loans by Credit Quality Indicator and Origination Year (Details) - USD ($) $ in Millions | Mar. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Amortized Cost Basis by Origination Year |  |
Total | $ 20,838 | $ 20,350
Residential mortgages: |  |
Amortized Cost Basis by Origination Year |  |
Current fiscal year | 437 | 313
Fiscal year before current fiscal year | 414 | 428
Two years before current fiscal year | 183 | 186
Three years before current fiscal year | 129 | 133
Four years before current fiscal year | 3 | 4
Prior | 2 | 2
Total | 1,168 | 1,066
Residential mortgages: | Performing |  |
Amortized Cost Basis by Origination Year |  |
Current fiscal year | 437 | 313
Fiscal year before current fiscal year | 414 | 428
Two years before current fiscal year | 183 | 186
Three years before current fiscal year | 129 | 133
Four years before current fiscal year | 3 | 4
Prior | 2 | 2
Total | 1,168 | 1,066
Residential mortgages: | Nonperforming |  |
Amortized Cost Basis by Origination Year |  |
Current fiscal year | 0 | 0
Fiscal year before current fiscal year | 0 | 0
Two years before current fiscal year | 0 | 0
Three years before current fiscal year | 0 | 0
Four years before current fiscal year | 0 | 0
Prior | 0 | 0
Total | $ 0 | $ 0

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- Definition Amortized cost excluding accrued interest, of financing receivable originated more than five years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
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- Definition Amortized cost excluding accrued interest, of financing receivable originated four years prior to current fiscal year. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 79 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479294/326-20-55-79 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-6 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B + Details
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