UNCONSOLIDATED AFFILIATES (Tables)

6 Months Ended

Jun. 30, 2022

Equity In Net Earnings From Investments

Schedule of Equity Method Investments [Line Items]

Schedule of Equity Method Investments [Table Text Block]

The following table sets forth our equity in net earnings from investments for the periods indicated:

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2022		2021		2022		2021
	(Thousands of dollars)
Northern Border Pipeline	$	16,347	$	12,586	$	36,472	$	32,825
Roadrunner	9,300		7,602		18,441		15,351
Overland Pass Pipeline	7,885		4,739		12,893		7,711
Other	2,098		793		4,164		3,153
Equity in net earnings from investments	$	35,630	$	25,720	$	71,970	$	59,040