Commitments and Contingencies (Details Textuals) (USD $)	12 Months Ended			12 Months Ended		12 Months Ended			3 Months Ended		9 Months Ended	12 Months Ended		12 Months Ended
	Dec. 31, 2013 employees	Aug. 31, 2013	Dec. 31, 2010 dte_instances	Dec. 31, 2013 Gas [Member] facilities	Dec. 31, 2012 Gas [Member]	Dec. 31, 2013 Synthetic Fuel [Member]	Dec. 31, 2013 Emissions [Member]	Dec. 31, 2013 Other Guarantees [Member]	Dec. 31, 2013 Electric [Member] facilities dte_instances	Mar. 31, 2013 Electric [Member] dte_instances facilities	Dec. 31, 2013 Electric [Member] facilities dte_instances	Dec. 31, 2013 Electric [Member] facilities kWh dte_instances	Dec. 31, 2012 Electric [Member]	Dec. 31, 2011 Eight Year [Member] Electric [Member]
Loss Contingencies [Line Items]
Environmental Capital Expenditures Through Current Year												$ 2,000,000,000
Estimated capital expenditures in next fiscal year												280,000,000
Environmental Capital Expenditures In Future Years												1,200,000,000
EPA is Alleging Power Plants Violated New Source Performance Standards									5		5	5
Number of NOVs/FOVs currently being discussed with the EPA									2		2	2
Sierra Club is Alleging DTE Electric Coal Fired Power Plants Violated the Clean Air Act										4
Exceedances of Opacity Standard									1,139	1,499	1,139	1,139
Period of excess opacity of air emissions at alleged facilities										6 minutes
2004 EPA proposed compliance timeline in years														8 years
Number of Former MGP Sites				15								3
Accrued for remediation related to the sites				28,000,000	29,000,000				8,000,000		8,000,000	8,000,000	9,000,000
Number of Options to Regulate Coal Ash Residue									2		2	2
Period Gas Utility Can Amortize MGP Costs				10 years
Number of NOVs			2
Possible Environmental Capital Expenditures to Comply with Requirements	3,000,000
EPA Sulfur Dioxide Ambient Air Quality Standard	1 hour
Waiting Period of Policy	P12W
Insurance Coverage for Extra Expense when Power Plant Unavailable												490,000,000
Period of Coverage of Policy for Extra Expenses												3 years
Primary Coverage												500,000,000
Coverage for Stabilization Decontamination Debris Removal Repair and Replacement of Property and Decommissioning												2,250,000,000
Combined Coverage Limit for Total Property Damage												2,750,000,000
Insurance Deductible for Nuclear Power Plant									1,000,000		1,000,000	1,000,000
Total Limit for Property Damage for Non-Nuclear Events									1,800,000,000		1,800,000,000	1,800,000,000
Limit of Coverage for Aggregate Extra Expenses for Non-Nuclear Events											327,000,000
Limit for Property Damage for Non-Nuclear Events Aggregate of Extra Expenses of Period											2 years
Time Period for TRIA Insurance After the First Loss from Terrorism												1 year
NEIL Policies Against Terroism Loss												3,200,000,000
Amount per Event Loss Associated with Nuclear Power Plants												34,000,000
Maintenance of Public Liability Insurance for Nuclear Power Plants												375,000,000
Aggregate Limit of Liabilities Arises From Terroist Act Outside Scope of Trials Subject to One Industry												300,000,000
Deferred Premium Charged Leviied Against Each Licensed Nuclear Facility												127,300,000
Limit Deferred Premium Charges Per Year												19,000,000
Company Obligated to Pay DOE Fee of Fermi 2 Electricity Generated and Sold												1
Settlement Provided for Delay-Related Costs									48,000,000		48,000,000	48,000,000
Court of Appeals proposal to congress to reduce nuclear waste fee, amount									0
Time period after which the Court of Appeals proposal to Congress for nuclear waste fee reduction will take effect	90 days
Days Obligations will Survive After Expiration of All Applicable Statutes of Limiations						90 years	90 days
Guarantor Obligations, Maximum Exposure, Undiscounted						1,100,000,000	144,000,000	60,000,000
Performance Bonds Outstanding	41,000,000
Number of Represented Employees	4,900
Long-term Purchase Commitment, Amount	8,598,000,000
Estimated future capital expenditures for next year	2,300,000,000
Bankruptcy Claims, Accounts Receivable under Review by Management		$ 20,000,000