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Segment and Related Information (Tables)

12 Months Ended

Dec. 31, 2023

Segment Reporting [Abstract]

Schedule of Inter-segment Billing and Financial Data by Business Segment

Financial data for our business segments follows:

			Year Ended December 31, 2023
			Pipeline						Gathering						Eliminations						Total
			(millions)
Operating revenues			$	377					$	545					$	—					$	922
Operation and maintenance			55						190						—						245
Depreciation and amortization			69						113						—						182
Taxes other than income			15						13						—						28
Asset (gains) losses and impairments, net			(4)						—						—						(4)
Operating Income			242						229						—						471
Interest expense			55						95						—						150
Interest income			(1)						—						—						(1)
Earnings from equity method investees			(177)						—						—						(177)
Other (income) and expense			—						(1)						—						(1)
Income Tax Expense			75						29						—						104
Net Income			290						106						—						396
Less: Net Income Attributable to Noncontrolling Interests			12						—						—						12
Net Income Attributable to DT Midstream			$	278					$	106					$	—					$	384
Capital expenditures			$	255					$	517					$	—					$	772
			December 31, 2023
Investments in equity method investees			$	1,762					$	—					$	—					$	1,762
Goodwill			53						420						—						473
Total Assets			$	4,439					$	4,543					$	—					$	8,982

			Year Ended December 31, 2022
			Pipeline						Gathering						Eliminations						Total
			(millions)
Operating revenues			$	339					$	581					$	—					$	920
Operation and maintenance			54						213						—						267
Depreciation and amortization			63						107						—						170
Taxes other than income			14						14						—						28
Asset (gains) losses and impairments, net			(6)						(17)						—						(23)
Operating Income			214						264						—						478
Interest expense			57						80						—						137
Interest income			(1)						(2)						—						(3)
Earnings from equity method investees			(150)						—						—						(150)
Loss from financing activities			6						7						—						13
Other (income) and expense			—						(1)						—						(1)
Income Tax Expense			62						38						—						100
Net Income			240						142						—						382
Less: Net Income Attributable to Noncontrolling Interests			12						—						—						12
Net Income Attributable to DT Midstream			$	228					$	142					$	—					$	370
Capital expenditures and acquisitions			$	638					$	252					$	—					$	890
			December 31, 2022
Investments in equity method investees			$	2,200					$	—					$	—					$	2,200
Goodwill			53						420						—						473
Total Assets			$	4,625					$	4,208					$	—					$	8,833

			Year Ended December 31, 2021
			Pipeline						Gathering						Eliminations						Total
			(millions)
Operating revenues			$	307					$	534					$	(1)					$	840
Operation and maintenance			59						173						(1)						231
Depreciation and amortization			63						103						—						166
Taxes other than income			13						11						—						24
Asset (gains) losses and impairments, net			—						17						—						17
Operating Income			172						230						—						402
Interest expense			51						61						—						112
Interest income			(1)						(3)						—						(4)
Earnings from equity method investees			(126)						—						—						(126)
Other (income) and expense			(3)						1						—						(2)
Income Tax Expense			62						42						—						104
Net Income			189						129						—						318
Less: Net Income Attributable to Noncontrolling Interests			11						—						—						11
Net Income Attributable to DT Midstream			$	178					$	129					$	—					$	307
Capital expenditures			$	20					$	120					$	—					$	140
			December 31, 2021
Investments in equity method investees			$	1,691					$	—					$	—					$	1,691
Goodwill			53						420						—						473
Total Assets			$	4,165					$	4,001					$	—					$	8,166

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- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482573/350-20-50-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 25
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-25

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 22
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-22

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 30
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-30

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- References

No definition available.

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