LEASES - Component of Aggregate Investment in Leases (Details) $ in Millions	Dec. 31, 2022 CAD ($)
Lessee, Lease, Description [Line Items]
Minimum lease payments	$ 9,457
Unearned lease income	(7,132)
Lease receivable	2,325
Expected credit loss provision	(150)
Present value of unguaranteed residual value	11
Sales-type lease, net investment in lease, before allowance for credit loss	2,186
Current portion included in Other current assets (Note 8)	(291)
Sales-type lease, net investment in lease, before allowance for credit loss, noncurrent	1,895
Currency Translation Adjustments
Lessee, Lease, Description [Line Items]
Expected credit loss provision	$ 1

Sales-Type and Direct Financing Leases, Unearned Lease Income

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- Definition

Sales-type Lease, Expected Credit Loss Allowance

+ References

No definition available.

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- Definition

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.

+ References

No definition available.

+ Details

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- Definition

Amount of undiscounted cash flows to be received by lessor for sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 10
-URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919391-209981

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- Definition

Present value of lease payments not yet received by lessor and amount expected to be derived from underlying asset, following end of lease term guaranteed by lessee or other third party unrelated to lessor, from sales-type lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 50
-Paragraph 6
-URI https://asc.fasb.org/extlink&oid=124258985&loc=SL77919379-209981

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- Definition

Amount, after allowance for credit loss, of net investment in sales-type lease.

+ References

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- Definition

Amount, after allowance for credit loss, of net investment in sales-type lease, classified as current.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919306-209978

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919308-209978

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- Definition

Amount, after allowance for credit loss, of net investment in sales-type lease, classified as noncurrent.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919308-209978

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 842
-SubTopic 30
-Section 45
-Paragraph 1
-URI https://asc.fasb.org/extlink&oid=123420820&loc=SL77919306-209978

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- Definition

Present value expected to be derived from underlying asset following end of lease term not guaranteed by lessee or other third party unrelated to lessor.

+ References

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