XML 140 R118.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Financial and Other Derivative Instruments (Fair Value of Derivative Instruments) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | $ 1,197 | $ 1,922
Derivative Liabilities | (1,172) | (2,169)
Current derivative asset |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 910 | 1,517
Noncurrent derivative asset |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 287 | 405
Current derivative liability |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | (847) | (1,535)
Noncurrent derivative liability |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Liabilities | (325) | (634)
Interest rate contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 0 | 1
Derivative Liabilities | (16) | 0
Foreign currency exchange contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 0 | 1
Derivative Liabilities | (3) | (2)
Natural gas |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 637 | 744
Derivative Liabilities | (615) | (1,018)
Electricity |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 421 | 963
Derivative Liabilities | (388) | (935)
Environmental & Other |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 139 | 213
Derivative Liabilities | (150) | (214)
Derivatives designated as hedging instruments |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 0 | 1
Derivative Liabilities | (18) | (2)
Derivatives designated as hedging instruments | Interest rate contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 0 | 1
Derivative Liabilities | (16) | 0
Derivatives designated as hedging instruments | Foreign currency exchange contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 0 | 0
Derivative Liabilities | (2) | (2)
Derivatives not designated as hedging instruments |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 1,197 | 1,921
Derivative Liabilities | (1,154) | (2,167)
Derivatives not designated as hedging instruments | Foreign currency exchange contracts |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 0 | 1
Derivative Liabilities | (1) | 0
Derivatives not designated as hedging instruments | Natural gas |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 637 | 744
Derivative Liabilities | (615) | (1,018)
Derivatives not designated as hedging instruments | Electricity |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 421 | 963
Derivative Liabilities | (388) | (935)
Derivatives not designated as hedging instruments | Environmental & Other |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | 139 | 213
Derivative Liabilities | (150) | (214)
Derivatives not designated as hedging instruments | Derivative assets — FTRs | Other current assets | DTE Electric |  |
Derivatives, Fair Value [Line Items] |  |
Derivative Assets | $ 7 | $ 11

X
- Definition Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-7 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 4D -Subparagraph (c)(2) -SubTopic 20 -Topic 860 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481326/860-20-50-4D + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 22 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-22 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483466/210-20-50-3 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 7 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483444/210-20-55-7 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480434/815-10-50-4B Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 4D -Subparagraph (c)(2) -SubTopic 20 -Topic 860 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481326/860-20-50-4D + Details
Name: | us-gaap_DerivativeFairValueOfDerivativeLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DerivativesFairValueLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=dte_CurrentDerivativeAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=dte_NoncurrentDerivativeAssetMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=dte_CurrentDerivativeLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=dte_NoncurrentDerivativeLiabilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_ForeignExchangeContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dte_NaturalGasCommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dte_ElectricityCommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dte_EnvironmentalandOtherCommodityContractMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_DesignatedAsHedgingInstrumentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_HedgingDesignationAxis=us-gaap_NondesignatedMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=dte_FinancialTransmissionRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherCurrentAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | dei_LegalEntityAxis=dte_DTEElectricMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |