Significant Accounting Policies [Line Items]

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- Definition

Specific Review of Probable Future Collections Based on Receivable Balances, Threshold Duration

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No definition available.

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- Definition

Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Threshold period for when financing receivable is considered past due, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Excludes threshold period past due to write off as uncollectible.

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- Definition

Carrying value as of the balance sheet date of obligations incurred and payable for statutory income, sales, use, payroll, excise, real, property and other taxes.

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Threshold period past due for trade accounts receivable to write off as uncollectible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Significant Accounting Policies (Details Textuals) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Significant Accounting Policies [Line Items]
Accounts receivable	$ 1,731		$ 1,690
Unrecognized compensation cost	$ 98
Recognition period (in years)	2 years 2 months 12 days
Specific review of probable future collections based on receivable balances, threshold duration	30 days
Past due
Significant Accounting Policies [Line Items]
Financing receivables	$ 0
Notes receivable
Significant Accounting Policies [Line Items]
Financing receivables	$ 965
Notes receivable \| Minimum
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	60 days
Notes receivable \| Maximum
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	120 days
DTE Electric and DTE Gas
Significant Accounting Policies [Line Items]
Threshold period past due for write-off of trade accounts receivable	150 days
DTE Electric and DTE Gas \| Accounts receivable
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	21 days
DTE Electric \| Notes receivable
Significant Accounting Policies [Line Items]
Financing receivables	$ 35
DTE Electric \| Notes receivable \| Minimum
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	60 days
DTE Electric \| Notes receivable \| Maximum
Significant Accounting Policies [Line Items]
Number of days after which receivable is considered delinquent	120 days
DTE Electric \| DTE Energy
Significant Accounting Policies [Line Items]
Allocated costs	$ 10	$ 8
DTE Electric \| Affiliates
Significant Accounting Policies [Line Items]
Accounts receivable	2		6
DTE Electric \| Affiliates \| Federal taxes \| Domestic Tax Jurisdiction
Significant Accounting Policies [Line Items]
Taxes payable	12
Accounts receivable			$ 5
DTE Electric \| Affiliates \| Federal taxes \| State and Local Jurisdiction
Significant Accounting Policies [Line Items]
Accounts receivable	$ 1