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LEASES - Supplemental Statements of Financial Postion (Details) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Supplemental Statements Of Financial Position |  |
Operating lease right-of-use assets, net | $ 680 | $ 645
Operating lease liabilities - current | 87 | 92
Operating lease liabilities - long-term | 677 | 612
Total | 764 | 704
Finance lease right-of-use assets, net | 62 | 49
Finance lease liabilities - current | 17 | 13
Finance lease liabilities - long-term | 39 | 33
Total finance lease liabilities | $ 56 | $ 46
Operating leases - Weighted average remaining lease term | 12 years | 12 years
Finance leases - Weighted average remaining lease term | 5 years | 7 years
Operating leases - Weighted average discount rate | 4.20% | 4.10%
Finance leases - Weighted average discount rate | 4.40% | 3.80%
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Deferred amounts and other assets | Deferred amounts and other assets
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accounts payable and other (Note 17) | Accounts payable and other (Note 17)
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Other long-term liabilities | Other long-term liabilities
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] | Property, plant and equipment, net (Note 11) | Property, plant and equipment, net (Note 11)
Finance Lease, Liability, Current, Statement of Financial Position [Extensible List] | Current portion of long-term debt (Note 18) | Current portion of long-term debt (Note 18)
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Other long-term liabilities | Other long-term liabilities
Affiliated Entity |  |
Supplemental Statements Of Financial Position |  |
Operating lease right-of-use assets, net | $ 47 | $ 51
Operating lease liabilities - current | 5 | 5
Operating lease liabilities - long-term | $ 43 | $ 47

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