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v3.23.2

Short-Term Credit Arrangements and Borrowings (Details Textuals) | Jun. 30, 2023 USD ($) | Dec. 31, 2022 USD ($)
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Short-term Debt [Line Items] |  |
Maximum borrowing capacity | $ 3,225,000,000 |
DTE Electric |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity | $ 900,000,000 |
Ratio of indebtedness to net capital | 0.53 |
DTE Gas |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity | $ 300,000,000 |
Ratio of indebtedness to net capital | 0.46 |
Maximum | DTE Electric |  |
Short-term Debt [Line Items] |  |
Ratio of indebtedness to net capital | 0.65 |
Maximum | DTE Gas |  |
Short-term Debt [Line Items] |  |
Ratio of indebtedness to net capital | 0.65 |
Unsecured letter of credit facility | Letters of credit |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity | $ 100,000,000 |
Unsecured letter of credit facility | DTE Electric | Letters of credit |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity | 100,000,000 |
Unsecured letter of credit facility | DTE Gas | Letters of credit |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity | 0 |
DTE Energy |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity | $ 2,025,000,000 |
Ratio of indebtedness to net capital | 0.64 |
DTE Energy | Demand financing agreement |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity, financing agreement | $ 200,000,000 |
Amount outstanding | $ 130,000,000 | $ 166,000,000
DTE Energy | Maximum |  |
Short-term Debt [Line Items] |  |
Ratio of indebtedness to net capital | 0.70 |
DTE Energy | DTE Energy Revolver | Letters of credit |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity | $ 500,000,000 |
DTE Energy | Unsecured letter of credit facility | Letters of credit |  |
Short-term Debt [Line Items] |  |
Maximum borrowing capacity | $ 0 |

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- Definition Amount borrowed under the financing agreement as of the balance sheet date. + References No definition available. + Details
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Balance Type: | credit
Period Type: | instant

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- Definition Maximum borrowing capacity under the financing agreement without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the agreement. + References No definition available. + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + 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 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Details
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- Details
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