Provisions and Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2023

Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]

Summary of Provisions and Other Liabilities

(CAD$ in millions)	December 31, 2023		December 31, 2022
Decommissioning and restoration provisions and other provisions (a)	$	3,851	$	2,805
Obligation to Neptune Bulk Terminals (b)	207		189
Derivative liabilities (net of current portion of $15 (2022 – $10))	18		26
ENAMI preferential dividend liability (Note 12(a))	444		286
QB2 variable consideration to IMSA (Note 12(a))	115		114
Downstream pipeline take-or-pay toll commitment	270		—
Other liabilities	89		97
	$	4,994	$	3,517

a) Decommissioning and Restoration Provisions and Other Provisions

Summary of Movements in Provisions

The following table summarizes the movements in provisions for the year ended December 31, 2023:

(CAD$ in millions)	Decommissioning and Restoration Provisions		Other Provisions		Total
As at January 1, 2023	$	2,820	$	346	$	3,166
Settled during the year	(148)		(87)		(235)
Change in discount rate	325		—		325
Change in amount and timing of cash flows	715		31		746
Accretion	180		6		186
Additions due to formation of joint operation	44		—		44
Other	(5)		—		(5)
Changes in foreign exchange rates	(24)		(5)		(29)
As at December 31, 2023	3,907		291		4,198
Less current portion of provisions (Note 19)	(301)		(46)		(347)
Non-current provisions	$	3,606	$	245	$	3,851