Expected return on plan assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Cash collateral netted against Derivative assets Collateral adjustment Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset Schedule of Other Nonoperating Income, by Component [Line Items] Schedule of Other Nonoperating Income, by Component [Line Items] [Line Items] for Schedule of Other Nonoperating Income, by Component [Table] Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid-in Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Internal grade 1 Internal Grade One [Member] Internal Grade One [Member] Recently Adopted and Issued Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Schedule of Carrying Amount of Fair Value of Financial Instruments Fair Value, by Balance Sheet Grouping [Table Text Block] Maximum potential liability Guarantor Obligations, Maximum Exposure, Undiscounted Measurement Basis [Axis] Measurement Basis [Axis] Accrued postretirement liability Increase (Decrease) in Obligation, Other Postretirement Benefits Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Regulatory Matters Public Utilities Disclosure [Text Block] Revenue Revenue from Contract with Customer [Text Block] Recoveries of amounts previously written off Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Recovery Cash collateral netted against Derivative liabilities Collateral adjustment Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset Fair Value Transfer Fair Value Transfer, Policy [Policy Text Block] Reduced emissions fuel guarantees Reduced Emissions Fuel Guarantees [Member] Reduced Emissions Fuel Guarantees [Member] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] Other Other Assets, Miscellaneous, Noncurrent Adjustment to Compensation, Amount Adjustment to Compensation Amount Percentage of total employees Concentration Risk, Percentage Pension Benefits Pension plans Pension Plan [Member] Depreciation and amortization Utilities Operating Expense, Depreciation and Amortization Employee Stock Option Share-Based Payment Arrangement, Option [Member] 2017 Series E 5.25% Junior Subordinated Debentures due 2077 Series E, 2017, 5.25% Junior Subordinated Debentures Due 2077 [Member] Series E, 2017, 5.25% Junior Subordinated Debentures Due 2077 [Member] Derivatives, Offsetting Fair Value Amounts Derivatives, Offsetting Fair Value Amounts, Policy [Policy Text Block] Dividends declared on common stock Dividends, Common Stock, Cash Total DTE Energy/DTE Electric Company Equity Beginning Balance Ending Balance Equity, Attributable to Parent Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-Sale [Table] Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Performance surety bonds Surety Bond [Member] Issuance of common stock (in shares) Stock Issued During Period, Shares, New Issues LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Cover [Abstract] Cover [Abstract] Cash equivalents and Restricted cash Cash and Cash Equivalents, Fair Value Disclosure Portion at fair value measurement Portion at Fair Value Measurement [Member] Maximum Maximum [Member] Property Property, Plant and Equipment, Net [Abstract] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, Credit Quality Indicator [Table] Retirement Benefits [Abstract] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income Before Income Taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Environmental Remediation Site [Domain] Environmental Remediation Site [Domain] Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating segments Operating Segments [Member] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Line Of Credit Facility [Table] Line of Credit Facility [Table] Short-term borrowings Short-Term Debt [Abstract] Letters of credit Letter of Credit [Member] Federal taxes Federal Income Taxes [Member] Federal Income Taxes Operating lease liabilities Operating Lease, Liability, Current Document Fiscal Period Focus Document Fiscal Period Focus Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Award Type Award Type [Axis] DTE Energy Parent Company [Member] Utility Plant [Domain] Utility Plant [Domain] TCJA regulatory liability amortization Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Amortization of Regulatory Liability, Percent Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Amortization of Regulatory Liability, Percent Trading Symbol Trading Symbol Entity Address, City or Town Entity Address, City or Town Class of Financing Receivable [Axis] Class of Financing Receivable [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Short-term borrowings, net Proceeds from (Repayments of) Short-Term Debt Income Statement Location [Domain] Statement of Income Location, Balance [Domain] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Regulatory Agency [Axis] Regulatory Agency [Axis] Entity Emerging Growth Company Entity Emerging Growth Company Cash collateral recorded in Accounts receivable Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Derivatives Derivative, Gain (Loss) on Derivative, Net Common stock, shares outstanding (in shares) Beginning Balance (in shares) Ending Balance (in shares) Common Stock, Shares, Outstanding Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Workforce subject to collective bargaining arrangements Workforce Subject to Collective-Bargaining Arrangements [Member] Schedule of Disaggregation of Revenue By Segment and Revenues Outside the Scope of Topic 606 Disaggregation of Revenue [Table Text Block] Class of Financing Receivable [Domain] Class of Financing Receivable [Domain] Net Assets (Liabilities) at end of period Fair Value, Net Asset (Liability) Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Performance bonds outstanding Guarantor Obligations, Current Carrying Value Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income Tax Benefit Income Tax Expense (Benefit) Income Tax Expense (Benefit) Other current and long-term assets Other Assets Net unrealized gains (losses) on derivatives, net of taxes Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] DTE Electric and Consumers DTE Electric and Consumers Energy Company [Member] DTE Electric and Consumers Energy Company Derivatives designated as hedging instruments Designated as Hedging Instrument [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Property, plant, and equipment Property, Plant and Equipment, Gross Noncurrent derivative assets Noncurrent Derivative Asset [Member] Noncurrent Derivative Asset [Member] DTE Electric and DTE Gas DTE Electric and DTE Gas [Member] DTE Electric and DTE Gas [Member] Schedule of Debt Redemptions Debt Instrument Redemption [Table Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Other income Total other income Other Nonoperating Income All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Unsecured letter of credit facility $225 Million Unsecured Letter Of Credit Facility [Member] Unsecured Letter Of Credit Facility Requested rate increase Public Utilities, Requested Rate Increase (Decrease), Amount Net investment in leases Finance Lease Receivable [Member] Finance Lease Receivable [Member] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Net cash from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Schedule of Fair Value of Nuclear Decommissioning Trust Fund Assets Fair Value of Nuclear Decommissioning Trust Fund Assets [Table Text Block] Fair Value of Nuclear Decommissioning Trust Fund Assets Notes receivable Financing Receivable, Excluding Accrued Interest, after Allowance for Credit Loss, Noncurrent Total Investments Long-Term Investments Proceeds from sale of securities Proceeds from Sale of Debt Securities, Available-for-Sale Nondeductible EES Coke penalty(a) Effective Income Tax Rate Reconciliation, Nondeductible Expense, Penalty, Percent Effective Income Tax Rate Reconciliation, Nondeductible Expense, Penalty, Percent Subsequent Event Subsequent Event [Member] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Total derivative liabilities, gross Derivative Liabilities Gross Amounts of Recognized Assets (Liabilities) Derivative Liability, Subject to Master Netting Arrangement, before Offset Equity Components [Axis] Equity Components [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Trade accounts receivable Trade Accounts Receivable [Member] Number of reportable segments Number of Reportable Segments Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Operating Revenues — Non-utility operations Sales [Member] Schedule of Fair Value and Unrealized Gains and Losses for Nuclear Decommissioning Trust Funds Fair Value And Unrealized Gains For Nuclear Decommissioning Trust Fund [Table Text Block] Fair Value and Unrealized Gains for Nuclear Decommissioning Trust Fund [Table Text Block] Regulatory liabilities Regulatory Liability, Noncurrent Entity Address, State or Province Entity Address, State or Province Financial Asset, Period Past Due [Domain] Financial Asset, Aging [Domain] Accrued postretirement liability Accrued postretirement liability — affiliates Liability, Other Postretirement Defined Benefit Plan, Noncurrent Unsecured Revolving Credit Facility Expiring In October 2030 Unsecured Revolving Credit Facility Expiring In October 2030 [Member] Unsecured Revolving Credit Facility Expiring In October 2030 At-the-Market Program At-the-Market Program [Member] At-the-Market Program Total Current Liabilities Liabilities, Current Unamortized investment tax credit Accumulated Deferred Investment Tax Credit Individual: Individual [Axis] Return on equity approved percentage Public Utilities, Approved Return on Equity, Percentage Notes receivable to (from) affiliates Distributions To (Contributions From) Affiliates for Notes Receivables Distributions To (Contributions From) Affiliates for Notes Receivables DTE Vantage segment DTE Vantage Segment [Member] DTE Vantage Segment Dividends paid on common stock Payments of Ordinary Dividends, Common Stock Entities [Table] Entities [Table] Investment income Gain On Investments Gain On Investments Material potential exposure Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Redemption of long-term debt Amount Repayments of Long-Term Debt Environmental Remediation Contingency [Axis] Environmental Remediation Contingency [Axis] Entity Interactive Data Current Entity Interactive Data Current Contract services Income On Contract Services Income On Contract Services Penalties For Installation of Pollution Controls and Establishing and Funding an Action Committee for Community Air Quality Improvement Projects EES Coke Case Related to Installation of Pollution Controls and Establishing and Funding an Action Committee for Community Air Quality Improvement Projects [Member] EES Coke Case Related to Installation of Pollution Controls and Establishing and Funding an Action Committee for Community Air Quality Improvement Projects Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Current portion long-term debt, including securitization bonds and finance leases Long-Term Debt and Lease Obligation, Current Commodity, mass measure Derivative, Nonmonetary Notional Amount, Mass Number of former MGP sites Number Of Former MGP Sites Number Of Former MGP Sites Increase (decrease) due to: Effective Income Tax Rate Reconciliation, Increase (Decrease), Percent [Abstract] Effective Income Tax Rate Reconciliation, Increase (Decrease), Percent Uncollectible expense Financing Receivable, Credit Loss, Expense (Reversal), Adjusted For Regulatory Deferrals Financing Receivable, Credit Loss, Expense (Reversal), Adjusted For Regulatory Deferrals Amortization period (in years) Period Gas Utility Can Amortize Mgp Costs Period Gas Utility Can Amortize Mgp Costs Number of electric utility customers Number Of Electric Utility Customers Number Of Electric Utility Customers Residential Residential [Member] Residential [Member] MPSC MPSC [Member] Michigan Public Service Commission Total Other Assets Other Assets, Noncurrent Accrued interest Accrued interest Interest Payable, Current Entity Central Index Key Entity Central Index Key PEO Name PEO Name Total Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Schedule of Financing Receivables Classified by Internal Grade of Credit Risk Financing Receivable Credit Quality Indicators [Table Text Block] Principal collections on notes receivable Proceeds from Collection of Notes Receivable Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Operation and maintenance Regulated And Unregulated Operating Expense, Maintenance And Operations Regulated And Unregulated Operating Expense, Maintenance And Operations Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Total derivative asset, netting Gross Amounts Offset in the Consolidated Statements of Financial Position Derivative Asset, Subject to Master Netting Arrangement, Gross Liability and Collateral, Obligation to Return Cash, Offset Materials, supplies, and other Materials and supplies Inventory, Raw Materials and Supplies, Gross Schedule of Fair Value of Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Letters of credit issued that could be used to offset net derivative liabilities Letters Of Credit Issued That Could Be Used To Offset Net Derivative Liabilities Letters Of Credit Issued That Could Be Used To Offset Net Derivative Liabilities Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Commodity, energy measures Derivative, Nonmonetary Notional Amount, Energy Measure Statutory federal income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type [Axis] Subsequent Event Type [Axis] Customer Nonrelated Party [Member] Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Other Other Miscellaneous Nonoperating Income Other Miscellaneous Nonoperating Income Current portion of securitization bonds Securitization Bonds, Current Securitization Bonds, Current Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Fuel, purchased power, and gas — utility Fuel and purchased power — utility Utilities Operating Expense, Products and Services Entity Address, Address Line One Entity Address, Address Line One Investments Long-Term Investments [Abstract] Clean up completed and site closed Clean Up Completed and Site Closed [Member] Clean Up Completed and Site Closed [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Accounts receivable less allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Investments [Domain] Investments [Domain] Internal Credit Assessment [Axis] Internal Credit Assessment [Axis] DTE Sustainable Generation DTE Sustainable Generation [Member] DTE Sustainable Generation [Member] Internal Credit Assessment [Domain] Internal Credit Assessment [Domain] Financial and Other Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Proceeds from sale of nuclear decommissioning trust fund assets Proceeds from Sale and Maturity of Other Investments Fair Value as of Grant Date Award Grant Date Fair Value 2021 Series E 4.375% Junior Subordinated Debentures due 2081 Series E, 2021, 4.375% Junior Subordinated Debentures Due 2081 [Member] Series E, 2021, 4.375% Junior Subordinated Debentures Due 2081 Utility operations Operating Revenues — Utility operations Regulated Operating Revenue Operating Expenses Costs and Expenses Unrecognized compensation cost Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report Deferred income taxes Deferred Income Taxes and Tax Credits Long-term debt Long-Term Debt, Fair Value Schedule of Unobservable Inputs Related to Level 3 Assets and Liabilities Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] New Accounting Pronouncements and Changes in Accounting Principles [Abstract] Accounting Standards Update and Change in Accounting Principle [Abstract] Partial closure complete Partial Closure Complete [Member] Partial Closure Complete [Member] Return on equity requested percent Public Utilities, Requested Return on Equity, Percentage Investment Type [Axis] Investment Type [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Number of debt instruments issued Number Of Debt Instruments Issued Number Of Debt Instruments Issued Non-PEO NEO Non-PEO NEO [Member] Remaining amount of offsets to derivative net liability positions for hard and soft trigger provisions Remaining amount of offsets to derivative net liability positions for hard and soft trigger provisions Remaining amount of offsets to derivative net liability positions for hard and soft trigger provisions Maximum borrowing capacity, financing agreement Financing Agreement, Maximum Borrowing Capacity 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. Sale of Stock [Axis] Sale of Stock [Axis] Investments classified as NAV assets, general contractual durations (in years) Fair Value, Investments, Entities That Calculate Net Asset Value Per Share, Contractual Term Fair Value, Investments, Entities That Calculate Net Asset Value Per Share, Contractual Term Increases due to cash received or receivable, excluding amounts recognized as revenue during the period Contract With Customer, Liability, Increase From Cash Receipts Contract With Customer, Liability, Increase From Cash Receipts Schedule of Net Cash Collateral Offsetting Arrangements and Netting Offsets of Derivative Assets Offsetting Assets [Table Text Block] All Award Types Award Type [Domain] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Accounts receivable, net Increase (Decrease) in Accounts and Other Receivables Compensation Amount Outstanding Recovery Compensation Amount Junior subordinated debentures Junior Subordinated Notes, Noncurrent Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Other Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Foreign currency exchange contracts Foreign currency exchange ($ CAD) Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Fair Value Estimate of Fair Value Measurement [Member] Revenue recognized that was included in the deferred revenue balance at the beginning of the period Contract with Customer, Liability, Revenue Recognized Offsetting Assets [Table] Offsetting Assets [Table] Retirement Plan Type [Domain] Retirement Plan Type [Domain] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Operating Revenues Revenues [Abstract] Net Assets at end of period, netting Derivative Asset (Liability), Fair Value, Gross Liability (Asset) And Obligation To Return Cash And Right To Reclaim Cash, Offset Derivative Asset (Liability), Fair Value, Gross Liability (Asset) And Obligation To Return Cash And Right To Reclaim Cash, Offset Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total Long-Term Debt (net of current portion) Long-Term Debt and Lease Obligation Financial Instruments [Domain] Financial Instruments [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Gas sales Gas Sales [Member] Gas Sales [Member] Minimum Minimum [Member] Less: Allocation of earnings to net restricted stock awards Participating Securities, Distributed and Undistributed Earnings (Loss), Diluted Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Company Selected Measure Name Company Selected Measure Name Fair Value Measurement [Domain] Fair Value Measurement [Domain] Prepaid postretirement benefit costs Increase (Decrease) In Prepaid Postretirement Costs Increase (Decrease) In Prepaid Postretirement Costs Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Other Financial Data Other Segment Financial Data [Abstract] Other Segment Financial Data Derivative assets — FTRs Financial Transmission Rights [Member] Financial Transmission Rights [Member] Net income available to common shareholders — diluted Net Income (Loss) Available to Common Stockholders, Diluted Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Average number of common shares outstanding — diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Derivative [Table] Derivative [Table] Entity Small Business Entity Small Business Long-Term Financings Long-Term Debt [Text Block] Document Transition Report Document Transition Report Due after one through five years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year One Through Five Schedule of Reconciliation of Level 3 Assets and Liabilities Measured at Fair Value on a Recurring Basis Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Underlying Securities Award Underlying Securities Amount Realized gains Debt Securities, Available-for-Sale, Realized Gain Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date Environmental capital expenditures Environmental Capital Expenditures, Cumulative Amount Environmental Capital Expenditures, Cumulative Amount Prepaid postretirement costs Prepaid postretirement costs — affiliates Prepaid Postretirement Costs Prepaid Postretirement Costs Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Derivative net liability position aggregate fair value Derivative, Net Liability Position, Aggregate Fair Value Securitized regulatory assets Securitized Regulatory Assets, Noncurrent Securitized Regulatory Assets, Noncurrent Total Equity Beginning Balance Ending Balance Equity, Including Portion Attributable to Noncontrolling Interest Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Earnings Per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Derivative net asset position, fair value Derivative, Net Asset Position, Aggregate Fair Value The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net asset position at the end of the reporting period. Litigation Status [Domain] Litigation Status [Domain] Total Current Assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Variable payments Operating Lease, Variable Lease Income Prepaid postretirement benefit costs — affiliates Increase (Decrease) In Prepaid Postretirement Costs, Affiliates Increase (Decrease) In Prepaid Postretirement Costs, Affiliates Investment in notes receivable Payments to Acquire Notes Receivable Letters of credit received that could be used to offset net derivative assets Letters Of Credit Received, Used To Offset Net Derivative Assets Letters of Credit Received that could be used to offset net derivative assets Loss contingency accrual Loss Contingency Accrual Other Other Other Receivables, Net, Current Number of days after expiration of statutes of limitations (in days) Guarantor Obligations, Term After Expiration Of Statutes Of Limitations Guarantor Obligations, Term After Expiration Of Statutes Of Limitations Unobservable Inputs Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Capital expenditures and acquisitions Payments To Acquire Productive Assets Including Payments To Acquire Businesses, Net of Cash Acquired Payments To Acquire Productive Assets Including Payments To Acquire Businesses, Net of Cash Acquired Net income available to common shareholders — basic Net Income (Loss) Available to Common Stockholders, Basic Total net cash collateral posted (received) Cash Collateral Posted (Received), Net Cash Collateral Posted (Received), Net Regulatory assets Regulatory Asset, Current Current Liabilities Liabilities, Current [Abstract] Other comprehensive income (loss) Other comprehensive income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Unsecured Letter Of Credit Facility Expiring In June 2028 Unsecured Letter Of Credit Facility Expiring In June 2028 [Member] Unsecured Letter Of Credit Facility Expiring In June 2028 Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Schedule of Effect of Derivatives Not Designated as Hedging Instruments Derivative Instruments, Gain (Loss) [Table Text Block] Amounts outstanding at March 31, 2026 Long-Term Line of Credit Level 1 Fair Value, Inputs, Level 1 [Member] Net Income Attributable to DTE Energy Company (in dollars per share) Diluted Earnings per Common Share (in dollars per share) Earnings Per Share, Diluted Customer Customer Accounts receivable Accounts Receivable, after Allowance for Credit Loss, Current Supplemental disclosure of non-cash investing and financing activities Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Due after five through ten years Debt Securities, Available-for-Sale, Fair Value, Maturity, Allocated and Single Maturity Date, after Year 5 Through 10 Schedule of Realized Gains and Losses and Proceeds from Sale of Securities by Nuclear Decommissioning Trust Funds Schedule of Realized Gain (Loss) [Table Text Block] Forward contract indexed to issuer's equity, forward rate per share (in dollars per share) Forward Contract Indexed to Issuer's Equity, Forward Rate Per Share Low-level radioactive waste Low Level Radioactive Waste [Member] Low Level Radioactive Waste [Member] Consolidation Items [Domain] Consolidation Items [Domain] Variable interest entity, non-consolidated Variable Interest Entity, Not Primary Beneficiary [Member] Public Utilities, General Disclosures [Abstract] Public Utilities, General Disclosures [Abstract] Public Utilities General Disclosures [Table] Public Utilities General Disclosures [Table] Net of IRM roll-in Public Utilities, Infrastructure Recovery Mechanism (IRM) Roll-In, Amount Public Utilities, Infrastructure Recovery Mechanism (IRM) Roll-In, Amount Changes in Accumulated Other Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Stock-based compensation and other Stockholders' Equity, Other Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Included in earnings Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings Cash equivalents Cash Equivalents [Member] Notes receivable Notes Receivable [Member] Financing receivables Total Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss Schedule of Lease Income Associated with Operating Leases Operating Lease, Lease Income [Table Text Block] Reclassifications and Eliminations Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Securitization bonds Securitization Bonds Securitization Bonds Equity Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Fixed income securities Fixed Income Securities [Member] Schedule of Income Taxes [Table] Schedule of Income Taxes [Table] Schedule of Income Taxes [Table] Total Property Property, Plant and Equipment, Net Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Entity Current Reporting Status Entity Current Reporting Status Derivative [Line Items] Derivative [Line Items] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Year of Origination Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss, by Origination Year [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position Derivative Liability, Subject to Master Netting Arrangement, after Offset Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Hedge funds and similar investments Hedge Funds [Member] Asset retirement obligations Asset Retirement Obligations, Noncurrent Repayments of debt Repayments of Debt Financing Receivables Financing Receivable [Policy Text Block] State and local income taxes, net of federal benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Interest expense Interest Expense, Operating and Nonoperating Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward] Issuance of long-term debt, net of discount and issuance costs Proceeds from Issuance of Long-Term Debt Current Fiscal Year End Date Current Fiscal Year End Date Unrealized Losses Decommissioning Fund Investments, Accumulated Gross Unrealized Loss, Before Tax Decommissioning Fund Investments, 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Authorized aggregate, amount Sale of Stock, Authorized Aggregate, Amount Sale of Stock, Authorized Aggregate, Amount Accounts payable Accounts Payable [Abstract] Net cash from (used for) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Securitization bonds Securitization Bonds, Noncurrent Securitization Bonds, Noncurrent Ludington Plant Contract Dispute Ludington Plant Contract Dispute [Member] Ludington Plant Contract Dispute Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Civil penalty accrued Loss Contingency, Civil Penalty Accrued, Value Loss Contingency, Civil Penalty Accrued, Value Net Amounts of Assets (Liabilities) Presented in the Consolidated Statements of Financial Position 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