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FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES - Summary of Debt Securities Classified as Held to Maturity (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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Fair Value Disclosures [Abstract] |  |
One year or less | $ 3,338 | $ 4,711
One year to two years | 361 | 475
Two years to three years | 115 | 152
Three years to four years | 377 | 231
Four years to five years | 85 | 104
More than five years | 98 | 1
Total debt securities not classified as available for sale | $ 4,374 | $ 5,674

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- Definition Debt Securities, Held-To-Maturity, Amortized Cost Excluding Accrued Interest, After Allowance For Credit Loss, Maturity, Allocated And Single Maturity Date, More Than Five Years + References No definition available. + Details
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- Definition Amount excluding accrued interest, after allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity) with single maturity date and allocated without single maturity date, maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (f)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 320 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477268/942-320-50-3 + Details
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