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Revenue (Tables)

12 Months Ended

Dec. 31, 2023

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue

The following is a summary of revenues disaggregated by segment:

												Year Ended December 31,
																								2023						2022						2021
						(millions)
Pipeline (a)																								$	377					$	339					$	307
Gathering																								545						581						534
Elimination of Inter-segment Revenue																								—						—						(1)
Total operating revenues																								$	922					$	920					$	840

__________________________________

(a)Includes revenues outside the scope of ASC 606 primarily related to contracts accounted for as leases of $7 million, $10 million and $9 million for the years ended December 31, 2023, 2022 and 2021, respectively.

Summary of Contact Liability Activity

The following is a summary of contract liability activity:

			2023						2022
			(millions)
Balance as of January 1			$	32					$	28
Increases due to cash received or receivable, excluding amounts recognized as revenue during the period (a)			101						13
Revenue recognized that was included in the balance at the beginning of the period			(4)						(9)
Balance as of December 31			$	129					$	32

____________________________________

(a) During the year ended December 31, 2023, we collected prepayment amounts from customers under various long-term revenue contracts on Ohio Utica Gathering, Appalachia Gathering, Blue Union Gathering and LEAP.

Revenue Expected to be Recognized in Future Periods

The following table presents contract liability amounts as of December 31, 2023 that are expected to be recognized as revenue in future periods:

			(millions)
2024			$	18
2025			20
2026			19
2027			18
2028			16
2029 and thereafter			38
Total			$	129

The following table presents revenue amounts related to fixed consideration associated with unsatisfied performance obligations as of December 31, 2023 that are expected to be recognized as revenue in future periods:

			(millions)
2024			$	131
2025			138
2026			109
2027			77
2028			52
2029 and thereafter			202
Total			$	709

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-10

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-5

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- Definition

Tabular disclosure of expected timing for satisfying remaining performance obligation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479806/606-10-50-13

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