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Discontinued Operations | 12 Months Ended
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Dec. 31, 2022
Discontinued Operations and Disposal Groups [Abstract] |
Discontinued Operations | DISCONTINUED OPERATIONS Separation of DT Midstream On July 1, 2021, DTE Energy completed the separation of DT Midstream, its former natural gas pipeline, storage, and gathering non-utility business. The table below reflects the financial results of DT Midstream that are included in discontinued operations within the Consolidated Statements of Operations. These results include the impact of tax-related adjustments and all transaction costs related to the separation. General corporate overhead costs have been excluded and no portion of corporate interest costs were allocated to discontinued operations.
|  |  | Year Ended December 31,
|  |  | 2021 |  | 2020
Operating Revenues — Non-utility operations |  |  | $ | 405 |  |  | $ | 754 |
Operating Expenses |  |  |  |  |
Cost of gas and other — non-utility |  |  | 15 |  |  | 21 |
Operation and maintenance(a) |  |  | 123 |  |  | 138 |
Depreciation and amortization |  |  | 82 |  |  | 151 |
Taxes other than income |  |  | 13 |  |  | 15 |
Asset (gains) losses and impairments, net |  |  | 17 |  |  | (2) |
|  |  | 250 |  |  | 323 |
Operating Income |  |  | 155 |  |  | 431 |
Other (Income) and Deductions |  |  |  |  |
Interest expense |  |  | 50 |  |  | 113 |
Interest income |  |  | (4) |  |  | (9) |
Other income |  |  | (62) |  |  | (129) |
|  |  | (16) |  |  | (25) |
Income from Discontinued Operations Before Income Taxes |  |  | 171 |  |  | 456 |
Income Tax Expense |  |  | 54 |  |  | 130 |
Net Income from Discontinued Operations, Net of Taxes |  |  | 117 |  |  | 326 |
Less: Net Income Attributable to Noncontrolling Interests |  |  | 6 |  |  | 12 |
Net Income from Discontinued Operations |  |  | $ | 111 |  |  | $ | 314 |
_______________________________________ (a)Includes separation transaction costs of $59 million and $8 million for the years ended December 31, 2021 and 2020, respectively, for various legal, accounting and other professional services fees. The following table is a summary of significant non-cash items, capital expenditures, and significant financing activities of discontinued operations included in DTE Energy's Consolidated Statements of Cash Flows:
|  |  | Year Ended December 31,
|  |  | 2021 |  | 2020
|  |  | (In millions)
Operating Activities |  |  |  |  |
Depreciation and amortization |  |  | $ | 82 |  |  | $ | 151 |
Deferred income taxes |  |  | 53 |  |  | 125 |
Equity earnings of equity method investees |  |  | (59) |  |  | (106) |
Asset (gains) losses and impairments, net |  |  | 19 |  |  | (2) |
Investing Activities |  |  |  |  |
Plant and equipment expenditures — non-utility |  |  | (60) |  |  | (517) |
Financing Activities |  |  |  |  |
Acquisition related deferred payment, excluding accretion |  |  | — |  |  | (380) |

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- Definition The entire disclosure related to a disposal group. Includes, but is not limited to, a discontinued operation, disposal classified as held-for-sale or disposed of by means other than sale or disposal of an individually significant component. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -URI https://asc.fasb.org/topic&trid=2155823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -URI https://asc.fasb.org/subtopic&trid=2122178 + Details
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