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Noncontrolling Interest Investment

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Noncontrolling interest investment cash.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

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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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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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ACQUISITIONS AND DISPOSITIONS - Noncontrolling Interest Investment and Disposition (Narrative) (Details) - CAD ($) $ in Millions		3 Months Ended		9 Months Ended
	Jul. 02, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Apr. 01, 2024
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale		$ 0	$ 0	$ 0	$ 1,091
Goodwill		$ 35,684		$ 35,684		$ 36,600
Disposal Group, Alliance Pipeline And Aux Sable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale					$ 1,100
Disposal Group, Alliance Pipeline And Aux Sable \| Gas Transmission
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Goodwill							$ 1,000
Disposal Group, Alliance Pipeline And Aux Sable \| Pembina Pipeline Corporation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal group, consideration							3,100
Non-recourse debt							$ 327
Westcoast LP \| Westcoast Energy Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Noncontrolling interest (percent)	87.50%
Westcoast LP \| Class A Units
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Investment by noncontrolling interest	$ 736
Westcoast LP \| Class A Units \| Stonlasec8 Indigenous Investments Limited Partnership
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Cash consideration	$ 736
Ownership interest percentage held by noncontrolling owners	12.50%
Alliance Pipeline \| Disposal Group, Alliance Pipeline And Aux Sable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest (as percent)							50.00%
Aux Sable Midstream LLC and Aux Sable Liquid Products L.P. \| Disposal Group, Alliance Pipeline And Aux Sable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest (as percent)							42.70%
Aux Sable Canada LP [Member] \| Disposal Group, Alliance Pipeline And Aux Sable
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Ownership interest (as percent)							50.00%