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REVENUES
 12 Months Ended
Dec. 31, 2024
Revenue from Contract with Customer [Abstract]  
Revenues REVENUES
Unsatisfied Performance Obligations - We do not disclose the value of unsatisfied performance obligations for (i) contracts with an original expected length of one year or less and (ii) variable consideration on contracts for which we recognize revenue at the amount to which we have the right to invoice for services performed.

The following table presents aggregate value allocated to unsatisfied performance obligations as of Dec. 31, 2024, and the amounts we expect to recognize in revenue in future periods, related primarily to firm transportation and storage contracts with remaining contract terms ranging from two months to16 years:
Expected Period of Recognition in Revenue
(Millions of dollars)
2025$1,230 
20261,058 
2027993 
2028917 
2029 and beyond3,314 
Total estimated transaction price allocated to unsatisfied performance obligations$7,512 

The table above excludes variable consideration allocated entirely to wholly unsatisfied performance obligations, wholly unsatisfied promises to transfer distinct goods or services that are part of a single performance obligation and consideration we determine to be fully constrained. Information on the nature of the variable consideration excluded and the nature of the performance obligations to which the variable consideration relates can be found in the description of the major contract types discussed in Note A. The amounts we determined to be fully constrained relate to future sales obligations under long-term sales contracts where the value is not known and minimum volume agreements, which we consider to be fully constrained until invoiced.