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Financial and Other Derivative Instruments (Tables)
 12 Months Ended
Dec. 31, 2025
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Schedule of Fair Value of Derivative Instruments
The following table presents the fair value of derivative instruments for DTE Energy:
December 31, 2025December 31, 2024
Derivative
Assets		Derivative
Liabilities		Derivative
Assets		Derivative
Liabilities
(In millions)
Derivatives designated as hedging instruments
Interest rate contracts$3 $— $20 $— 
Foreign currency exchange contracts— (1)— (1)
Total derivatives designated as hedging instruments$3 $(1)$20 $(1)
Derivatives not designated as hedging instruments
Commodity contracts
Natural gas$372 $(329)$428 $(410)
Electricity275 (235)187 (150)
Environmental & Other57 (32)58 (44)
Foreign currency exchange contracts— — 1 — 
Total derivatives not designated as hedging instruments$704 $(596)$674 $(604)
Current$482 $(413)$488 $(441)
Noncurrent225 (184)206 (164)
Total derivatives$707 $(597)$694 $(605)
Schedule of Net Cash Collateral Offsetting Arrangements and Netting Offsets of Derivative Assets
The following table presents net cash collateral offsetting arrangements for DTE Energy:
December 31,
20252024
(In millions)
Cash collateral netted against Derivative assets$(35)$(17)
Cash collateral netted against Derivative liabilities5 — 
Cash collateral recorded in Accounts receivable(a)
20 29 
Cash collateral recorded in Accounts payable(a)
(28)(5)
Total net cash collateral posted (received)$(38)$7 
_______________________________________
(a)Amounts are recorded net by counterparty.
The following table presents the netting offsets of Derivative assets and liabilities for DTE Energy:
December 31, 2025December 31, 2024
Gross Amounts of Recognized Assets (Liabilities)Gross Amounts Offset in the Consolidated Statements of Financial PositionNet Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial PositionGross Amounts of Recognized Assets (Liabilities)Gross Amounts Offset in the Consolidated Statements of Financial PositionNet Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position
(In millions)
Derivative assets
Commodity contracts(a)
Natural gas$372 $(235)$137 $428 $(285)$143 
Electricity275 (194)81 187 (116)71 
Environmental & Other57 (46)11 58 (46)12 
Interest rate contracts3 — 3 20 — 20 
Foreign currency exchange contracts— — — 1 — 1 
Total derivative assets$707 $(475)$232 $694 $(447)$247 
Derivative liabilities
Commodity contracts(a)
Natural gas$(329)$227 $(102)$(410)$272 $(138)
Electricity(235)186 (49)(150)114 (36)
Environmental & Other(32)32 — (44)44 — 
Foreign currency exchange contracts(1)— (1)(1)— (1)
Total derivative liabilities$(597)$445 $(152)$(605)$430 $(175)
_______________________________________
(a)For contracts with a clearing agent, DTE Energy nets all activity across commodities. This can result in some individual commodities having a contra balance.
Schedule of Net Cash Collateral Offsetting Arrangements and Netting Offsets of Derivative Liabilities
The following table presents net cash collateral offsetting arrangements for DTE Energy:
December 31,
20252024
(In millions)
Cash collateral netted against Derivative assets$(35)$(17)
Cash collateral netted against Derivative liabilities5 — 
Cash collateral recorded in Accounts receivable(a)
20 29 
Cash collateral recorded in Accounts payable(a)
(28)(5)
Total net cash collateral posted (received)$(38)$7 
_______________________________________
(a)Amounts are recorded net by counterparty.
The following table presents the netting offsets of Derivative assets and liabilities for DTE Energy:
December 31, 2025December 31, 2024
Gross Amounts of Recognized Assets (Liabilities)Gross Amounts Offset in the Consolidated Statements of Financial PositionNet Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial PositionGross Amounts of Recognized Assets (Liabilities)Gross Amounts Offset in the Consolidated Statements of Financial PositionNet Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position
(In millions)
Derivative assets
Commodity contracts(a)
Natural gas$372 $(235)$137 $428 $(285)$143 
Electricity275 (194)81 187 (116)71 
Environmental & Other57 (46)11 58 (46)12 
Interest rate contracts3 — 3 20 — 20 
Foreign currency exchange contracts— — — 1 — 1 
Total derivative assets$707 $(475)$232 $694 $(447)$247 
Derivative liabilities
Commodity contracts(a)
Natural gas$(329)$227 $(102)$(410)$272 $(138)
Electricity(235)186 (49)(150)114 (36)
Environmental & Other(32)32 — (44)44 — 
Foreign currency exchange contracts(1)— (1)(1)— (1)
Total derivative liabilities$(597)$445 $(152)$(605)$430 $(175)
_______________________________________
(a)For contracts with a clearing agent, DTE Energy nets all activity across commodities. This can result in some individual commodities having a contra balance.
Schedule of 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, 2025December 31, 2024
Derivative AssetsDerivative LiabilitiesDerivative AssetsDerivative Liabilities
CurrentNoncurrentCurrentNoncurrentCurrentNoncurrentCurrentNoncurrent
(In millions)
Total fair value of derivatives$482 $225 $(413)$(184)$488 $206 $(441)$(164)
Counterparty netting(325)(115)325 115 (323)(107)323 107 
Collateral adjustment(14)(21)2 3 (3)(14)— — 
Total derivatives as reported$143 $89 $(86)$(66)$162 $85 $(118)$(57)
Schedule of Effect of Derivatives Not Designated as Hedging Instruments
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 DerivativesGain (Loss) Recognized in Income on Derivatives for Years Ended December 31,
202520242023
(In millions)
Commodity contracts
Natural gasOperating Revenues — Non-utility operations $112 $(169)$153 
Natural gasFuel, purchased power, gas, and other — non-utility(160)233 122 
ElectricityOperating Revenues — Non-utility operations 361 266 105 
Environmental & OtherOperating Revenues — Non-utility operations 61 14 5 
Foreign currency exchange contractsOperating Revenues — Non-utility operations (1)3 (2)
Total$373 $347 $383 
Schedule of Cumulative Gross Volume of Derivative Contracts
The following represents the cumulative gross volume of DTE Energy's derivative contracts outstanding as of December 31, 2025:
CommodityNumber of Units
Natural gas (MMBtu)2,451,423,819 
Electricity (MWh)39,287,109 
Foreign currency exchange ($ CAD)67,058,920 
FTR (MWh)82,664 
Renewable Energy Certificates (MWh)11,860,903 
Carbon emissions (Metric Ton)1,113,500 
Interest rate contracts ($ USD)300,000,000