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Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2023
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Minimum Commitments for Unrecorded Unconditional Purchase Obligations At December 31, 2023, total minimum commitments from purchase and service obligations and transportation and storage service commitments not qualifying as leases, based on current transportation and storage rates and the foreign currency exchange rates used to convert Canadian dollars into United States dollars at December 31, 2023, were as follows (in millions):
Total Minimum
Commitments
2024$1,751 
20251,201 
2026983 
2027829 
2028545 
2029 and beyond1,375 
 $6,684