Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- 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.

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- Definition

Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date.

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- Definition

Amount of long-term debt and lease obligation, classified as current.

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Long-Term Debt (Details Textuals) - USD ($)	1 Months Ended		3 Months Ended
Long-Term Debt (Details Textuals) - USD ($)	Apr. 27, 2023	Jun. 30, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Current portion of long-term debt			$ 1,723,000,000		$ 1,124,000,000
Amount drawn			1,400,000,000
Redemption of long-term debt			0	$ 250,000,000
Unsecured term loan \| June 2022 Unsecured Term Loan Maturing in December 2023
Debt Instrument [Line Items]
Unused borrowing capacity		$ 1,125,000,000
Current portion of long-term debt			1,000,000,000
Amount drawn			$ 200,000,000
Unsecured term loan \| June 2022 Unsecured Term Loan Maturing in December 2023 \| SOFR
Debt Instrument [Line Items]
Basis spread on variable rate		0.90%
Senior Notes \| 2008 Series C 6.44% Senior Notes \| DTE Gas \| Subsequent Event
Debt Instrument [Line Items]
Redemption of long-term debt	$ 25,000,000
Interest rate	6.44%