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

Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.

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- Definition

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

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- Definition

Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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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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- Definition

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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Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.

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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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Amount of unrecognized tax benefits.

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Significant Accounting Policies (Details Textuals) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Significant Accounting Policies [Line Items]
Unrecognized tax benefits	$ 15
Unrecognized tax benefits reasonably possible to be recognized in the next 12 months	15
Unrecognized compensation cost	$ 103
Recognition period (in years)	1 year 10 months 24 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	$ 71
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
Federal
Significant Accounting Policies [Line Items]
Unrecognized tax benefits reasonably possible to be recognized in the next 12 months	$ 5
State
Significant Accounting Policies [Line Items]
Unrecognized tax benefits reasonably possible to be recognized in the next 12 months	$ 10
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
Significant Accounting Policies [Line Items]
Unrecognized tax benefits	$ 13
DTE Electric \| Notes receivable
Significant Accounting Policies [Line Items]
Financing receivables	32
DTE Electric \| State
Significant Accounting Policies [Line Items]
Unrecognized tax benefits reasonably possible to be recognized in the next 12 months	13
DTE Electric \| DTE Energy
Significant Accounting Policies [Line Items]
Income tax receivable	6		$ 1
Income tax payable	2
Allocated costs	$ 10	$ 12