IFRS 7 Disclosures - Schedule of Maturity of Financial Liabilities (Detail) - CAD CAD in Millions	Dec. 31, 2017	Dec. 31, 2016
Disclosure Of Maturity Analysis For Financial Liabilities [Line Items]
Long-term debt	CAD 4,785	CAD 5,696
Capital instruments	8,387	7,180
Derivatives	7,822	14,151
Deposits from bank clients	18,131	17,919
Lease obligations	838	966
Less than 1 year [Member]
Disclosure Of Maturity Analysis For Financial Liabilities [Line Items]
Long-term debt	401	7
Derivatives	224	593
Deposits from bank clients	15,322
Lease obligations	126
1 to 3 years [Member]
Disclosure Of Maturity Analysis For Financial Liabilities [Line Items]
Long-term debt	626
Derivatives	149	595
Deposits from bank clients	1,373
Lease obligations	172
3 to 5 years [Member]
Disclosure Of Maturity Analysis For Financial Liabilities [Line Items]
Derivatives	168	511
Deposits from bank clients	1,436
Lease obligations	89
Over 5 years [Member]
Disclosure Of Maturity Analysis For Financial Liabilities [Line Items]
Long-term debt	3,758	4,021
Capital instruments	8,387
Derivatives	7,281	CAD 12,452
Lease obligations	CAD 451

The amount of instruments issued by the entity that represent indebtedness.

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The amount of deposit liabilities from customers held by the entity.

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The amount of financial liabilities classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

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The non-current portion of non-current borrowings. [Refer: Borrowings]

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The amount of future minimum lease payments payable under non-cancellable operating leases. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Disclosure Of Maturity Analysis For Financial Liabilities [Line Items]

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