Employee Benefit Obligations - Other Postretirement Weighted Average Assumptions (Details) - Other post retirement benefits	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
U.S.
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	5.52%	5.10%	5.45%
Rate of compensation increase (as a percent)		4.37%	4.37%
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate (as a percent)	5.10%	5.45%	2.79%
Rate of compensation increase (as a percent)	4.37%	4.37%	4.37%
CANADA
Weighted-average assumptions used to determine benefit obligations
Discount rate (as a percent)	4.50%	4.50%	5.00%
Weighted-average assumptions used to determine net periodic benefit cost
Discount rate (as a percent)	4.50%	5.00%	2.75%