Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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Debt - Proceeds From Issuance of Long-Term Debt (Details)				3 Months Ended
	Dec. 02, 2021 CAD ($)	Dec. 02, 2021 USD ($)	Nov. 24, 2021 CAD ($)	Dec. 31, 2021 CAD ($)
Debt Instrument [Line Items]
Net proceeds	$ 8,600,000,000	$ 6,700,000,000	$ 2,200,000,000	$ 10,700,000,000
1.589% 2-year Notes
Debt Instrument [Line Items]
Debt face amount			$ 1,000,000,000.0
Interest rate			1.589%	1.589%
Net proceeds			$ 1,000,000,000.00
2.540% 6.3-year Notes
Debt Instrument [Line Items]
Debt face amount			$ 1,200,000,000
Interest rate			2.54%	2.54%
Net proceeds			$ 1,200,000,000
1.350% 3-year Notes
Debt Instrument [Line Items]
Debt face amount		$ 1,500,000,000
Interest rate		1.35%		1.35%
Net proceeds	1,910,000,000	$ 1,490,000,000
1.750% 5-year Notes
Debt Instrument [Line Items]
Debt face amount		$ 1,000,000,000.0
Interest rate		1.75%		1.75%
Net proceeds	1,270,000,000	$ 990,000,000
2.450% 10-year Notes
Debt Instrument [Line Items]
Debt face amount		$ 1,400,000,000
Interest rate		2.45%		2.45%
Net proceeds	1,780,000,000	$ 1,390,000,000
3.000% 20-year Notes
Debt Instrument [Line Items]
Debt face amount		$ 1,000,000,000.0
Interest rate		3.00%		3.00%
Net proceeds	1,260,000,000	$ 990,000,000
3.100% 30-year Notes
Debt Instrument [Line Items]
Debt face amount		$ 1,800,000,000
Interest rate		3.10%		3.10%
Net proceeds	$ 2,260,000,000	$ 1,770,000,000