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LOANS - Corporate Loans Gross Credit Losses (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Total | $ 2,726 | $ 2,609 | $ 8,375 | $ 8,014
Corporate loans |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current year |  |  | 18 | 11
Prior year |  |  | 4 | 39
Two years prior |  |  | 141 | 14
Three years prior |  |  | 0 | 9
Four years prior |  |  | 62 | 4
Prior |  |  | 17 | 116
Revolving line of credit arrangement |  |  | 134 | 227
Total | $ 114 | $ 113 | 376 | 420
Corporate loans | Commercial and industrial |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current year |  |  | 12 | 10
Prior year |  |  | 4 | 2
Two years prior |  |  | 0 | 3
Three years prior |  |  | 0 | 9
Four years prior |  |  | 0 | 4
Prior |  |  | 6 | 15
Revolving line of credit arrangement |  |  | 97 | 167
Total |  |  | 119 | 210
Corporate loans | Financial institutions |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current year |  |  | 0 | 0
Prior year |  |  | 0 | 0
Two years prior |  |  | 0 | 0
Three years prior |  |  | 0 | 0
Four years prior |  |  | 0 | 0
Prior |  |  | 0 | 1
Revolving line of credit arrangement |  |  | 9 | 9
Total |  |  | 9 | 10
Corporate loans | Mortgage and real estate |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current year |  |  | 0 | 1
Prior year |  |  | 0 | 37
Two years prior |  |  | 0 | 11
Three years prior |  |  | 0 | 0
Four years prior |  |  | 0 | 0
Prior |  |  | 9 | 84
Revolving line of credit arrangement |  |  | 7 | 22
Total |  |  | 16 | 155
Corporate loans | Other |  |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |  |
Current year |  |  | 6 | 0
Prior year |  |  | 0 | 0
Two years prior |  |  | 141 | 0
Three years prior |  |  | 0 | 0
Four years prior |  |  | 62 | 0
Prior |  |  | 2 | 16
Revolving line of credit arrangement |  |  | 21 | 29
Total |  |  | $ 232 | $ 45

X
- Definition Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 13 -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479319/326-20-50-13 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 + Details
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