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Segment and Related Information (Tables) | 12 Months Ended
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Dec. 31, 2024
Segment Reporting [Abstract] |
Financial Data of Business Segments | Inter-segment billing for goods and services exchanged between segments is based upon tariffed or market-based prices of the provider. Such billing primarily consists of power sales, sale and transportation of natural gas, and renewable natural gas sales in the segments below, as well as charges from Electric to other segments for use of the shared capital assets of DTE Electric.
| Year Ended December 31,
| 2024 |  | 2023 |  | 2022
| (In millions)
Electric segment(a) | $ | 71 |  |  | $ | 72 |  |  | $ | 71 |
Gas segment | 16 |  |  | 17 |  |  | 13 |
DTE Vantage segment | 43 |  |  | 68 |  |  | 78 |
Energy Trading segment | 100 |  |  | 85 |  |  | 102 |
| $ | 230 |  |  | $ | 242 |  |  | $ | 264 |
_______________________________________ (a)Inter-segment billing for the Electric segment relating to Non-utility operations includes $3 million for the years ended December 31, 2024 and 2023 and $6 million for the year ended December 31, 2022. Financial data of DTE Energy's business segments follows:
| Electric(a) |  | Gas |  | DTE Vantage |  | Energy Trading |  | Total Reportable Segments |  | Corporate and Other |  | Reclassifications and Eliminations |  | Total |  |  |  |
| (In millions)
2024 Segment profit (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Revenues — Utility operations | $ | 6,277 |  |  | 1,798 |  |  | — |  |  | — |  |  | $ | 8,075 |  |  | — |  |  | (85) |  |  | $ | 7,990 |  |  |  |  |
Operating Revenues — Non-utility operations | $ | 16 |  |  | — |  |  | 753 |  |  | 3,843 |  |  | $ | 4,612 |  |  | — |  |  | (145) |  |  | $ | 4,467 |  |  |  |  |
Depreciation and amortization | $ | 1,447 |  |  | 221 |  |  | 59 |  |  | 5 |  |  | $ | 1,732 |  |  | — |  |  | — |  |  | $ | 1,732 |  |  |  |  |
Interest expense | $ | 498 |  |  | 118 |  |  | 28 |  |  | 14 |  |  | $ | 658 |  |  | 351 |  |  | (58) |  |  | $ | 951 |  |  |  |  |
Interest income | $ | (7) |  |  | (10) |  |  | (76) |  |  | (15) |  |  | $ | (108) |  |  | (86) |  |  | 58 |  |  | $ | (136) |  |  |  |  |
Equity earnings (losses) of equity method investees | $ | — |  |  | 1 |  |  | 15 |  |  | — |  |  | $ | 16 |  |  | (1) |  |  | — |  |  | $ | 15 |  |  |  |  |
Other segment items (pre-tax)(b) | $ | 3,314 |  |  | 1,134 |  |  | 629 |  |  | 3,672 |  |  | $ | 8,749 |  |  | 6 |  |  | (230) |  |  | $ | 8,525 |  |  |  |  |
Income Tax Expense (Benefit) | $ | (31) |  |  | 77 |  |  | (37) |  |  | 42 |  |  | $ | 51 |  |  | (85) |  |  | — |  |  | $ | (34) |  |  |  |  |
Net Income (Loss) Attributable to DTE Energy Company | $ | 1,072 |  |  | 257 |  |  | 135 |  |  | 125 |  |  | $ | 1,589 |  |  | (185) |  |  | — |  |  | $ | 1,404 |  |  |  |  |
2024 Other segment financial data |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in equity method investees | $ | 5 |  |  | 18 |  |  | 82 |  |  | — |  |  | $ | 105 |  |  | 23 |  |  | — |  |  | $ | 128 |  |  |  |  |
Capital expenditures and acquisitions | $ | 3,659 |  |  | 740 |  |  | 65 |  |  | 3 |  |  | $ | 4,467 |  |  | — |  |  | — |  |  | $ | 4,467 |  |  |  |  |
Goodwill | $ | 1,208 |  |  | 743 |  |  | 25 |  |  | 17 |  |  | $ | 1,993 |  |  | — |  |  | — |  |  | $ | 1,993 |  |  |  |  |
Total Assets | $ | 35,400 |  |  | 8,474 |  |  | 2,065 |  |  | 1,159 |  |  | $ | 47,098 |  |  | 4,723 |  |  | (2,975) |  |  | $ | 48,846 |  |  |  |  |
2023 Segment profit (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Revenues — Utility operations | $ | 5,804 |  |  | 1,748 |  |  | — |  |  | — |  |  | $ | 7,552 |  |  | — |  |  | (86) |  |  | $ | 7,466 |  |  |  |  |
Operating Revenues — Non-utility operations | $ | 14 |  |  | — |  |  | 809 |  |  | 4,612 |  |  | $ | 5,435 |  |  | — |  |  | (156) |  |  | $ | 5,279 |  |  |  |  |
Depreciation and amortization | $ | 1,340 |  |  | 209 |  |  | 53 |  |  | 4 |  |  | $ | 1,606 |  |  | — |  |  | — |  |  | $ | 1,606 |  |  |  |  |
Interest expense | $ | 432 |  |  | 102 |  |  | 15 |  |  | 18 |  |  | $ | 567 |  |  | 270 |  |  | (46) |  |  | $ | 791 |  |  |  |  |
Interest income | $ | (20) |  |  | (9) |  |  | (32) |  |  | (9) |  |  | $ | (70) |  |  | (33) |  |  | 46 |  |  | $ | (57) |  |  |  |  |
Equity earnings (losses) of equity method investees | $ | — |  |  | 1 |  |  | 7 |  |  | — |  |  | $ | 8 |  |  | (5) |  |  | — |  |  | $ | 3 |  |  |  |  |
Other segment items (pre-tax)(b) | $ | 3,216 |  |  | 1,058 |  |  | 635 |  |  | 4,151 |  |  | $ | 9,060 |  |  | 18 |  |  | (242) |  |  | $ | 8,836 |  |  |  |  |
Income Tax Expense (Benefit) | $ | 78 |  |  | 93 |  |  | (22) |  |  | 112 |  |  | $ | 261 |  |  | (92) |  |  | — |  |  | $ | 169 |  |  |  |  |
Net Income (Loss) Attributable to DTE Energy Company | $ | 772 |  |  | 294 |  |  | 153 |  |  | 336 |  |  | $ | 1,555 |  |  | (158) |  |  | — |  |  | $ | 1,397 |  |  |  |  |
2023 Other segment financial data |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in equity method investees | $ | 5 |  |  | 16 |  |  | 118 |  |  | — |  |  | $ | 139 |  |  | 27 |  |  | — |  |  | $ | 166 |  |  |  |  |
Capital expenditures and acquisitions | $ | 3,128 |  |  | 746 |  |  | 57 |  |  | 3 |  |  | $ | 3,934 |  |  | — |  |  | — |  |  | $ | 3,934 |  |  |  |  |
Goodwill | $ | 1,208 |  |  | 743 |  |  | 25 |  |  | 17 |  |  | $ | 1,993 |  |  | — |  |  | — |  |  | $ | 1,993 |  |  |  |  |
Total Assets | $ | 32,292 |  |  | 7,722 |  |  | 1,122 |  |  | 1,166 |  |  | $ | 42,302 |  |  | 4,150 |  |  | (1,697) |  |  | $ | 44,755 |  |  |  |  |
_______________________________________ (a)The Electric segment consists principally of DTE Electric. Refer to the DTE Electric Consolidated Statements of Operations and the DTE Electric Consolidated Statements of Financial Position for the standalone DTE Electric amounts. (b)Other segment items include Fuel, purchased power, and gas — utility; Fuel, purchased power, gas, and other — non-utility; Operation and maintenance; Taxes other than income; Asset (gains) losses and impairments, net; Non-operating retirement benefits, net; Other income; and Other expenses.
| Electric(a) |  | Gas |  | DTE Vantage |  | Energy Trading |  | Total Reportable Segments |  | Corporate and Other |  | Reclassifications and Eliminations |  | Total |  |  |  |
| (In millions)
2022 Segment profit (loss) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Revenues — Utility operations | $ | 6,397 |  |  | 1,924 |  |  | — |  |  | — |  |  | $ | 8,321 |  |  | — |  |  | (78) |  |  | $ | 8,243 |  |  |  |  |
Operating Revenues — Non-utility operations | $ | 15 |  |  | — |  |  | 848 |  |  | 10,308 |  |  | $ | 11,171 |  |  | — |  |  | (186) |  |  | $ | 10,985 |  |  |  |  |
Depreciation and amortization | $ | 1,218 |  |  | 192 |  |  | 52 |  |  | 5 |  |  | $ | 1,467 |  |  | 1 |  |  | — |  |  | $ | 1,468 |  |  |  |  |
Interest expense | $ | 372 |  |  | 91 |  |  | 15 |  |  | 17 |  |  | $ | 495 |  |  | 210 |  |  | (30) |  |  | $ | 675 |  |  |  |  |
Interest income | $ | (8) |  |  | (8) |  |  | (28) |  |  | (6) |  |  | $ | (50) |  |  | (26) |  |  | 30 |  |  | $ | (46) |  |  |  |  |
Equity earnings (losses) of equity method investees | $ | — |  |  | 2 |  |  | — |  |  | — |  |  | $ | 2 |  |  | (16) |  |  | — |  |  | $ | (14) |  |  |  |  |
Other segment items (pre-tax)(b) | $ | 3,849 |  |  | 1,287 |  |  | 699 |  |  | 10,415 |  |  | $ | 16,250 |  |  | 47 |  |  | (264) |  |  | $ | 16,033 |  |  |  |  |
Income Tax Expense (Benefit) | $ | 25 |  |  | 88 |  |  | 18 |  |  | (31) |  |  | $ | 100 |  |  | (71) |  |  | — |  |  | $ | 29 |  |  |  |  |
Net Income (Loss) Attributable to DTE Energy Company | $ | 956 |  |  | 272 |  |  | 92 |  |  | (92) |  |  | $ | 1,228 |  |  | (145) |  |  | — |  |  | $ | 1,083 |  |  |  |  |
2022 Other segment financial data |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment in equity method investees | $ | 6 |  |  | 15 |  |  | 111 |  |  | — |  |  | $ | 132 |  |  | 33 |  |  | — |  |  | $ | 165 |  |  |  |  |
Capital expenditures and acquisitions | $ | 2,620 |  |  | 693 |  |  | 62 |  |  | 3 |  |  | $ | 3,378 |  |  | — |  |  | — |  |  | $ | 3,378 |  |  |  |  |
Goodwill | $ | 1,208 |  |  | 743 |  |  | 25 |  |  | 17 |  |  | $ | 1,993 |  |  | — |  |  | — |  |  | $ | 1,993 |  |  |  |  |
Total Assets | $ | 30,342 |  |  | 7,321 |  |  | 1,077 |  |  | 1,385 |  |  | $ | 40,125 |  |  | 4,409 |  |  | (1,851) |  |  | $ | 42,683 |  |  |  |  |
_______________________________________ (a)The Electric segment consists principally of DTE Electric. Refer to the DTE Electric Consolidated Statements of Operations and the DTE Electric Consolidated Statements of Financial Position for the standalone DTE Electric amounts. (b)Other segment items include Fuel, purchased power, and gas — utility; Fuel, purchased power, gas, and other — non-utility; Operation and maintenance; Taxes other than income; Asset (gains) losses and impairments, net; Non-operating retirement benefits, net; Other income; and Other expenses.

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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 280 -SubTopic 10 -Section 50 -Paragraph 25 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482810/280-10-50-25 Reference 2: 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 3: 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 + Details
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