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Financial Instrument Risk Management - Mortgages and Loans by Geographic Location and Type (Details) - CAD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | $ 173,735 | $ 168,785
Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 15,485 | 15,428
Loans |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 36,207 | 34,518
Total |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 51,692 | 49,946
Retail | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 3,388 | 3,710
Office | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 3,531 | 3,481
Multi-family residential | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 5,727 | 5,631
Industrial and land | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 2,035 | 1,945
Other | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 804 | 661
Canada | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 9,569 | 9,119
Canada | Mortgages | Canada Mortgage And Housing Corporation |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 4,218 | 4,008
Canada | Loans |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 12,885 | 13,107
Canada | Total |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 22,454 | 22,226
Canada | Retail | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 1,765 | 1,963
Canada | Office | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 1,892 | 1,635
Canada | Multi-family residential | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 4,138 | 3,950
Canada | Industrial and land | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 1,094 | 996
Canada | Other | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 680 | 575
United States | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 5,907 | 6,309
United States | Loans |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 14,596 | 13,773
United States | Total |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 20,503 | 20,082
United States | Retail | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 1,623 | 1,747
United States | Office | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 1,639 | 1,846
United States | Multi-family residential | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 1,589 | 1,681
United States | Industrial and land | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 941 | 949
United States | Other | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 115 | 86
United Kingdom | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 9 | 0
United Kingdom | Loans |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 4,111 | 3,798
United Kingdom | Total |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 4,120 | 3,798
United Kingdom | Retail | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
United Kingdom | Office | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
United Kingdom | Multi-family residential | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
United Kingdom | Industrial and land | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
United Kingdom | Other | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 9 | 0
Other countries | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
Other countries | Loans |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 4,615 | 3,840
Other countries | Total |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 4,615 | 3,840
Other countries | Retail | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
Other countries | Office | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
Other countries | Multi-family residential | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
Other countries | Industrial and land | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | 0 | 0
Other countries | Other | Mortgages |  |
Disclosure of detailed information about financial instruments [line items] |  |
Financial assets | $ 0 | $ 0

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- Definition The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 25 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_25&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35H -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35H&doctype=Standard -URIDate 2021-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35I -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35I&doctype=Standard -URIDate 2021-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35M -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35M&doctype=Standard -URIDate 2021-03-24 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35N -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35N&doctype=Standard -URIDate 2021-03-24 + Details
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