Financial instruments - disclosures (Tables)

12 Months Ended

Oct. 31, 2025

Text Block [Abstract]

Schedule of Balance Sheet Exposure Credit Risk under Different Basel Approaches

$ millions, as at October 31		IRB approach			Standardized approach			Other credit risk (1)		Securitization approach		Total subject to credit risk			Not subject to credit risk		Total consolidated balance sheet
2025	Cash and deposits with banks	$	38,725		$	2,864		$	2,414	$	–	$	44,003		$	–	$	44,003
	Securities		150,549			5,594			–		3,696		159,839			123,396		283,235
	Cash collateral on securities borrowed		21,694			3			–		–		21,697			–		21,697
	Securities purchased under resale agreements		66,181			–			–		2,863		69,044			17,651		86,695
	Loans (2)		548,529			16,267			1,155		25,086		591,037			2,859		593,896
	Allowance for credit losses		(4,085	)		(307	)		–		–		(4,392	)		–		(4,392	)
	Derivative instruments		38,352			–			–		–		38,352			–		38,352
	Other assets		25,125			1,832			9,769		130		36,856			16,596		53,452
	Total credit exposures	$	885,070		$	26,253		$	13,338	$	31,775	$	956,436		$	160,502	$	1,116,938
2024	Total credit exposures	$	839,643		$	24,493		$	12,107	$	23,509	$	899,752		$	142,233	$	1,041,985

(1) Includes credit risk exposures arising from other assets that are subject to the credit risk framework but are not included in the standardized or IRB frameworks, including other balance sheet assets which are risk-weighted at 100%, significant investments in the capital of non-financial institutions, and amounts below the thresholds for capital deduction that are risk-weighted at 250%.

(2) Includes customers’ liability under acceptances of $10 million.