XML 119 R97.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Regulatory Matters (Schedule of Regulatory Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | $ 2,674 | $ 2,707
Less amount included in Current Liabilities | (71) | (34)
Regulatory liabilities, noncurrent | 2,603 | 2,673
Refundable federal income taxes |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,823 | 1,908
Removal costs liability |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 342 | 371
Negative other postretirement offset |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 210 | 191
Non-service pension and other postretirement costs |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 199 | 154
Accrued GCR refund |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 21 | 0
Renewable energy |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 7 | 21
Other |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 72 | 62
DTE Electric |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,759 | 1,811
Less amount included in Current Liabilities | (49) | (33)
Regulatory liabilities, noncurrent | 1,710 | 1,778
DTE Electric | Refundable federal income taxes |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 1,463 | 1,534
DTE Electric | Removal costs liability |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 0 | 0
DTE Electric | Negative other postretirement offset |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 142 | 128
DTE Electric | Non-service pension and other postretirement costs |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 84 | 73
DTE Electric | Accrued GCR refund |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 0 | 0
DTE Electric | Renewable energy |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | 7 | 21
DTE Electric | Other |  |
Regulatory Liabilities [Line Items] |  |
Regulatory liabilities | $ 63 | $ 55

X
- Definition The amount for the individual regulatory liability as itemized in a table of regulatory liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 405 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481854/980-405-25-1 + Details
Name: | us-gaap_RegulatoryLiabilities
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_RegulatoryLiabilitiesLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount for the individual regulatory current liability as itemized in a table of regulatory current liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 980 -SubTopic 405 -Name Accounting Standards Codification -Section 25 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481854/980-405-25-1 + Details
Name: | us-gaap_RegulatoryLiabilityCurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount for the individual regulatory noncurrent liability as itemized in a table of regulatory noncurrent liabilities as of the end of the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.24) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_RegulatoryLiabilityNoncurrent
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=dte_RefundableFederalIncomeTaxesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=us-gaap_RemovalCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=us-gaap_PostretirementBenefitCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=dte_PensionandOtherPostretirementPlansCostsNonServiceComponentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=dte_AccruedGCRRefundMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=us-gaap_RenewableEnergyProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RegulatoryLiabilityAxis=us-gaap_OtherLiabilitiesMember
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: |