Other Current Assets (Tables)

12 Months Ended

Dec. 31, 2023

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Schedule of Other Current Assets

In millions	As at December 31,	2023		2022
Prepaid expenses		$	133	$	186
Income taxes receivable		—		46
Derivative instruments (Note 23)		—		33
Other		33		55
Total other current assets		$	166	$	320