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The cash inflow resulting from the sale of loans classified as held-for-sale, including proceeds from loans sold through mortgage securitization.

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Value of loans held-for-sale transferred to loans held in the entity's portfolio in noncash transactions.

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ASSETS HELD FOR SALE - Narrative (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2026	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Proceeds from sale of loans held for sale			$ 461	$ 293
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Residential mortgage
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loan, transfer from held-for-sale to held-in-portfolio	$ 644				$ 694
Proceeds from sale of loans held for sale			$ 644		$ 644
Disposal Group, Held-for-Sale, Not Discontinued Operations \| Commercial
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Loan, transfer from held-for-sale to held-in-portfolio		$ 364