LOANS - Residential Mortgages (Details) - In North America offices - Consumer - Residential first mortgages - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Schedule of recognition and measurement of OTTI
Trial modifications, period	3 months
Trial modifications	$ 33	$ 21
Loans in bankruptcy	$ 9	$ 7

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