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Financial assets and liabilities - Financial Instruments Measured at Fair Value (Details) - CAD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of financial assets [line items] |  |
Assets | $ 68,030 | $ 66,764
Liabilities | $ (44,265) | $ (43,823)
Repurchase obligation of trust ownership percentage | 9.00% | 9.00%
Maple Leaf Sports & Entertainment Ltd. (MLSE) financial liability |  |
Disclosure of financial assets [line items] |  |
Liabilities | $ (149) | $ (149)
Maple Leaf Sports & Entertainment Ltd. (MLSE) financial liability | QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1) |  |
Disclosure of financial assets [line items] |  |
Liabilities | 0 | 0
Maple Leaf Sports & Entertainment Ltd. (MLSE) financial liability | OBSERVABLE MARKET DATA (LEVEL 2) |  |
Disclosure of financial assets [line items] |  |
Liabilities | 0 | 0
Maple Leaf Sports & Entertainment Ltd. (MLSE) financial liability | NON-OBSERVABLE MARKET INPUTS (LEVEL 3) |  |
Disclosure of financial assets [line items] |  |
Liabilities | (149) | (149)
Publicly-traded and privately-held investments |  |
Disclosure of financial assets [line items] |  |
Assets | 175 | 183
Publicly-traded and privately-held investments | QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1) |  |
Disclosure of financial assets [line items] |  |
Assets | 14 | 24
Publicly-traded and privately-held investments | OBSERVABLE MARKET DATA (LEVEL 2) |  |
Disclosure of financial assets [line items] |  |
Assets | 0 | 0
Publicly-traded and privately-held investments | NON-OBSERVABLE MARKET INPUTS (LEVEL 3) |  |
Disclosure of financial assets [line items] |  |
Assets | 161 | 159
Derivative financial instruments | Derivative financial instruments |  |
Disclosure of financial assets [line items] |  |
Net assets (liabilities) | 365 | 279
Derivative financial instruments | Derivative financial instruments | QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1) |  |
Disclosure of financial assets [line items] |  |
Net assets (liabilities) | 0 | 0
Derivative financial instruments | Derivative financial instruments | OBSERVABLE MARKET DATA (LEVEL 2) |  |
Disclosure of financial assets [line items] |  |
Net assets (liabilities) | 365 | 279
Derivative financial instruments | Derivative financial instruments | NON-OBSERVABLE MARKET INPUTS (LEVEL 3) |  |
Disclosure of financial assets [line items] |  |
Net assets (liabilities) | 0 | 0
Other | Other |  |
Disclosure of financial assets [line items] |  |
Net assets (liabilities) | 124 | 122
Other | Other | QUOTED PRICES IN ACTIVE MARKETS FOR IDENTICAL ASSETS (LEVEL 1) |  |
Disclosure of financial assets [line items] |  |
Net assets (liabilities) | 0 | 0
Other | Other | OBSERVABLE MARKET DATA (LEVEL 2) |  |
Disclosure of financial assets [line items] |  |
Net assets (liabilities) | 173 | 185
Other | Other | NON-OBSERVABLE MARKET INPUTS (LEVEL 3) |  |
Disclosure of financial assets [line items] |  |
Net assets (liabilities) | $ (49) | $ (63)

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