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Financial and Other Derivative Instruments (Tables) | 12 Months Ended
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Dec. 31, 2023
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Fair Value of Derivative Instruments | The following table presents the fair value of derivative instruments for DTE Energy:
| December 31, 2023 |  | December 31, 2022
| Derivative Assets |  | Derivative Liabilities |  | Derivative Assets |  | Derivative Liabilities
| (In millions)
Derivatives designated as hedging instruments |  |  |  |  |  |  |
Interest rate contracts | $ | — |  |  | $ | (16) |  |  | $ | 1 |  |  | $ | — |
Foreign currency exchange contracts | — |  |  | (2) |  |  | — |  |  | (2) |
Total derivatives designated as hedging instruments | $ | — |  |  | $ | (18) |  |  | $ | 1 |  |  | $ | (2) |
Derivatives not designated as hedging instruments |  |  |  |  |  |  |
Commodity contracts |  |  |  |  |  |  |
Natural gas | $ | 637 |  |  | $ | (615) |  |  | $ | 744 |  |  | $ | (1,018) |
Electricity | 421 |  |  | (388) |  |  | 963 |  |  | (935) |
Environmental & Other | 139 |  |  | (150) |  |  | 213 |  |  | (214) |
Foreign currency exchange contracts | — |  |  | (1) |  |  | 1 |  |  | — |
Total derivatives not designated as hedging instruments | $ | 1,197 |  |  | $ | (1,154) |  |  | $ | 1,921 |  |  | $ | (2,167) |
Current | $ | 910 |  |  | $ | (847) |  |  | $ | 1,517 |  |  | $ | (1,535) |
Noncurrent | 287 |  |  | (325) |  |  | 405 |  |  | (634) |
Total derivatives | $ | 1,197 |  |  | $ | (1,172) |  |  | $ | 1,922 |  |  | $ | (2,169) |
Offsetting Assets | The following table presents net cash collateral offsetting arrangements for DTE Energy:
| December 31,
| 2023 |  | 2022
| (In millions)
Cash collateral netted against Derivative assets | $ | — |  |  | $ | (90) |
Cash collateral netted against Derivative liabilities | 72 |  |  | 113 |
Cash collateral recorded in Accounts receivable(a) | 57 |  |  | 77 |
Cash collateral recorded in Accounts payable(a) | (3) |  |  | (27) |
Total net cash collateral posted (received) | $ | 126 |  |  | $ | 73 |
_______________________________________ (a)Amounts are recorded net by counterparty. The following table presents the netting offsets of Derivative assets and liabilities for DTE Energy:
| December 31, 2023 |  | December 31, 2022
| Gross Amounts of Recognized Assets (Liabilities) |  | Gross Amounts Offset in the Consolidated Statements of Financial Position |  | Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position |  | Gross Amounts of Recognized Assets (Liabilities) |  | Gross Amounts Offset in the Consolidated Statements of Financial Position |  | Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position
| (In millions)
Derivative assets |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  |  |  |  |  |  |  |  |  |  |
Natural gas | $ | 637 |  |  | $ | (416) |  |  | $ | 221 |  |  | $ | 744 |  |  | $ | (649) |  |  | $ | 95 |
Electricity | 421 |  |  | (243) |  |  | 178 |  |  | 963 |  |  | (643) |  |  | 320 |
Environmental & Other | 139 |  |  | (132) |  |  | 7 |  |  | 213 |  |  | (196) |  |  | 17 |
Interest rate contracts | — |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | 1 |
Foreign currency exchange contracts | — |  |  | — |  |  | — |  |  | 1 |  |  | (1) |  |  | — |
Total derivative assets | $ | 1,197 |  |  | $ | (791) |  |  | $ | 406 |  |  | $ | 1,922 |  |  | $ | (1,489) |  |  | $ | 433 |
Derivative liabilities |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  |  |  |  |  |  |  |  |  |  |
Natural gas | $ | (615) |  |  | $ | 429 |  |  | $ | (186) |  |  | $ | (1,018) |  |  | $ | 645 |  |  | $ | (373) |
Electricity | (388) |  |  | 297 |  |  | (91) |  |  | (935) |  |  | 665 |  |  | (270) |
Environmental & Other | (150) |  |  | 137 |  |  | (13) |  |  | (214) |  |  | 201 |  |  | (13) |
Interest rate contracts | (16) |  |  | — |  |  | (16) |  |  | — |  |  | — |  |  | — |
Foreign currency exchange contracts | (3) |  |  | — |  |  | (3) |  |  | (2) |  |  | 1 |  |  | (1) |
Total derivative liabilities | $ | (1,172) |  |  | $ | 863 |  |  | $ | (309) |  |  | $ | (2,169) |  |  | $ | 1,512 |  |  | $ | (657) |
Offsetting Liabilities | The following table presents net cash collateral offsetting arrangements for DTE Energy:
| December 31,
| 2023 |  | 2022
| (In millions)
Cash collateral netted against Derivative assets | $ | — |  |  | $ | (90) |
Cash collateral netted against Derivative liabilities | 72 |  |  | 113 |
Cash collateral recorded in Accounts receivable(a) | 57 |  |  | 77 |
Cash collateral recorded in Accounts payable(a) | (3) |  |  | (27) |
Total net cash collateral posted (received) | $ | 126 |  |  | $ | 73 |
_______________________________________ (a)Amounts are recorded net by counterparty. The following table presents the netting offsets of Derivative assets and liabilities for DTE Energy:
| December 31, 2023 |  | December 31, 2022
| Gross Amounts of Recognized Assets (Liabilities) |  | Gross Amounts Offset in the Consolidated Statements of Financial Position |  | Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position |  | Gross Amounts of Recognized Assets (Liabilities) |  | Gross Amounts Offset in the Consolidated Statements of Financial Position |  | Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position
| (In millions)
Derivative assets |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  |  |  |  |  |  |  |  |  |  |
Natural gas | $ | 637 |  |  | $ | (416) |  |  | $ | 221 |  |  | $ | 744 |  |  | $ | (649) |  |  | $ | 95 |
Electricity | 421 |  |  | (243) |  |  | 178 |  |  | 963 |  |  | (643) |  |  | 320 |
Environmental & Other | 139 |  |  | (132) |  |  | 7 |  |  | 213 |  |  | (196) |  |  | 17 |
Interest rate contracts | — |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | 1 |
Foreign currency exchange contracts | — |  |  | — |  |  | — |  |  | 1 |  |  | (1) |  |  | — |
Total derivative assets | $ | 1,197 |  |  | $ | (791) |  |  | $ | 406 |  |  | $ | 1,922 |  |  | $ | (1,489) |  |  | $ | 433 |
Derivative liabilities |  |  |  |  |  |  |  |  |  |  |
Commodity contracts |  |  |  |  |  |  |  |  |  |  |
Natural gas | $ | (615) |  |  | $ | 429 |  |  | $ | (186) |  |  | $ | (1,018) |  |  | $ | 645 |  |  | $ | (373) |
Electricity | (388) |  |  | 297 |  |  | (91) |  |  | (935) |  |  | 665 |  |  | (270) |
Environmental & Other | (150) |  |  | 137 |  |  | (13) |  |  | (214) |  |  | 201 |  |  | (13) |
Interest rate contracts | (16) |  |  | — |  |  | (16) |  |  | — |  |  | — |  |  | — |
Foreign currency exchange contracts | (3) |  |  | — |  |  | (3) |  |  | (2) |  |  | 1 |  |  | (1) |
Total derivative liabilities | $ | (1,172) |  |  | $ | 863 |  |  | $ | (309) |  |  | $ | (2,169) |  |  | $ | 1,512 |  |  | $ | (657) |
Netting Offsets of Derivative Assets and Liabilities Reconciliation to the Statements of Financial Position | The following table presents the netting offsets of Derivative assets and liabilities showing the reconciliation of derivative instruments to DTE Energy's Consolidated Statements of Financial Position:
| December 31, 2023 |  | December 31, 2022
| Derivative Assets |  | Derivative Liabilities |  | Derivative Assets |  | Derivative Liabilities
| Current |  | Noncurrent |  | Current |  | Noncurrent |  | Current |  | Noncurrent |  | Current |  | Noncurrent
| (In millions)
Total fair value of derivatives | $ | 910 |  |  | $ | 287 |  |  | $ | (847) |  |  | $ | (325) |  |  | $ | 1,517 |  |  | $ | 405 |  |  | $ | (1,535) |  |  | $ | (634) |
Counterparty netting | (613) |  |  | (178) |  |  | 613 |  |  | 178 |  |  | (1,127) |  |  | (272) |  |  | 1,127 |  |  | 272 |
Collateral adjustment | — |  |  | — |  |  | 57 |  |  | 15 |  |  | (62) |  |  | (28) |  |  | 66 |  |  | 47 |
Total derivatives as reported | $ | 297 |  |  | $ | 109 |  |  | $ | (177) |  |  | $ | (132) |  |  | $ | 328 |  |  | $ | 105 |  |  | $ | (342) |  |  | $ | (315) |
Gain (Loss) Recognized in Income on Derivatives | The effect of derivatives not designated as hedging instruments on DTE Energy's Consolidated Statements of Operations is as follows:
|  | Location of Gain (Loss) Recognized in Income on Derivatives |  | Gain (Loss) Recognized in Income on Derivatives for Years Ended December 31,
|  |  | 2023 |  | 2022 |  | 2021
|  |  |  | (In millions)
Commodity contracts |  |  |  |  |  |  |  |
Natural gas |  | Operating Revenues — Non-utility operations |  | $ | 153 |  |  | $ | (235) |  |  | $ | (224) |
Natural gas |  | Fuel, purchased power, gas, and other — non-utility |  | 122 |  |  | (108) |  |  | (89) |
Electricity |  | Operating Revenues — Non-utility operations |  | 105 |  |  | 221 |  |  | 169 |
Environmental & Other |  | Operating Revenues — Non-utility operations |  | 5 |  |  | 13 |  |  | (40) |
Foreign currency exchange contracts |  | Operating Revenues — Non-utility operations |  | (2) |  |  | 3 |  |  | — |
Total |  |  |  | $ | 383 |  |  | $ | (106) |  |  | $ | (184) |
Volume of Commodity Contracts | The following represents the cumulative gross volume of DTE Energy's derivative contracts outstanding as of December 31, 2023:
Commodity |  | Number of Units
Natural gas (MMBtu) |  | 2,201,557,616 |
Electricity (MWh) |  | 40,542,536 |
Oil (Gallons) |  | 4,272,000 |
Foreign currency exchange ($ CAD) |  | 127,326,648 |
FTR (MWh) |  | 66,064 |
Renewable Energy Certificates (MWh) |  | 10,242,908 |
Carbon emissions (Metric Ton) |  | 746,400 |
Interest rate contracts ($ USD) |  | 1,200,000,000 |
Treasury Lock ($ USD) |  | 500,000,000 |

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