v3.26.3
SEGMENT AND RELATED INFORMATION (Tables)
 9 Months Ended
Sep. 30, 2026
Segment Reporting [Abstract]  
Summary of Financial Data by Business Segment
Financial data for our business segments follows:

Three Months Ended September 30, 2026
PipelineGathering
Total Reportable Segments
Eliminations
Total Consolidated
(millions)
Revenues
Operating revenues$182 $161 $343 $(7)$336 
Operating Expenses
Operation and maintenance36 60 96 (7)89 
Depreciation and amortization29 42 71 — 71 
Taxes other than income8 3 11 — 11 
Asset losses and impairments, net2 — 2 — 2 
Other (Income) and Deductions
Interest expense14 26 40 — 40 
Interest income(1)(1)(2)— (2)
Earnings from equity method investees(34)— (34)— (34)
Gain from financing activities— (1)(1)— (1)
Other income(2)(1)(3)— (3)
Income tax expense 33 8 41 — 41 
Less: Net Income Attributable to Noncontrolling Interests
4 — 4 — 4 
Net Income Attributable to DT Midstream$93 $25 $118 $— $118 
Capital expenditures$60 $31 $91 $— $91 
Three Months Ended September 30, 2025
PipelineGathering
Total Reportable Segments
Eliminations
Total Consolidated
(millions)
Revenues
Operating revenues$169 $145 $314 $— $314 
Operating Expenses
Operation and maintenance32 52 84 — 84 
Depreciation and amortization27 38 65 — 65 
Taxes other than income7 3 10 — 10 
Other (Income) and Deductions
Interest expense14 26 40 — 40 
Interest income— (1)(1)— (1)
Earnings from equity method investees(34)— (34)— (34)
Other income— (3)(3)— (3)
Income tax expense 28 7 35 — 35 
Less: Net Income Attributable to Noncontrolling Interests
3 — 3 — 3 
Net Income Attributable to DT Midstream$92 $23 $115 $— $115 
Capital expenditures$63 $80 $143 $— $143 
Nine Months Ended September 30, 2026
PipelineGathering
Total Reportable Segments
Eliminations
Total Consolidated
(millions)
Revenues
Operating revenues$550 $485 $1,035 $(20)$1,015 
Operating Expenses
Operation and maintenance110 174 284 (20)264 
Depreciation and amortization86 122 208 — 208 
Taxes other than income25 13 38 — 38 
Asset losses and impairments, net2 1 3 — 3 
Other (Income) and Deductions
Interest expense42 80 122 — 122 
Interest income(2)(2)(4)— (4)
Earnings from equity method investees(110)— (110)— (110)
Gain from financing activities(1)(1)(2)— (2)
Other income(5)(1)(6)— (6)
Income tax expense 104 26 130 — 130 
Less: Net Income Attributable to Noncontrolling Interests
12— 12 — 12 
Net Income Attributable to DT Midstream$287 $73 $360 $— $360 
Capital expenditures$150 $124 $274 $— $274 
September 30, 2026
Investments in equity method investees$1,220 $— $1,220 $— $1,220 
Total Assets$5,516 $4,816 $10,332 $— $10,332 
Nine Months Ended September 30, 2025
PipelineGathering
Total Reportable Segments
Eliminations
Total Consolidated
(millions)
Revenues
Operating revenues$514 $412 $926 $— $926 
Operating Expenses
Operation and maintenance98 144 242 — 242 
Depreciation and amortization83 108 191 — 191 
Taxes other than income23 12 35 — 35 
Other (Income) and Deductions
Interest expense38 82 120 — 120 
Interest income(1)(1)(2)— (2)
Earnings from equity method investees(101)— (101)— (101)
Other income— (3)(3)— (3)
Income tax expense 87 17 104 — 104 
Less: Net Income Attributable to Noncontrolling Interests
10 — 10 — 10 
Net Income Attributable to DT Midstream$277 $53 $330 $— $330 
Capital expenditures$107 $188 $295 $— $295 
December 31, 2025
Investments in equity method investees$1,253 $— $1,253 $— $1,253 
Total Assets$5,297 $4,783 $10,080 $— $10,080