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UNCONSOLIDATED AFFILIATES (Tables)
9 Months Ended
Sep. 30, 2023
Equity Method Investments and Joint Ventures [Abstract]  
Schedule of Equity Method Investments The following table sets forth our equity in net earnings from investments for the periods indicated:
Three Months EndedNine Months Ended
September 30,September 30,
 2023202220232022
 
(Millions of dollars)
Northern Border$20 $17 $58 $53 
Overland Pass17 10 39 23 
Roadrunner10 10 32 28 
Other (a)2 3 
Equity in net earnings from investments$49 $39 $132 $111 
(a) - Includes equity in net earnings for the acquired investments from the Magellan Acquisition from the period September 25, 2023 through September 30, 2023.