$DTE
DTE ENERGY CO Stock $dte

$dte Overview Financials Valuation SEC Filings Company Website

2013 Q2 Form 10-Q Financial Statement

#000093634013000114 Filed on July 26, 2013

Income Statement

Concept	2013 Q2	2012 Q2
Revenue	$2.225B	$2.013B
YoY Change	10.53%	-0.25%
Cost Of Revenue
YoY Change
Gross Profit
YoY Change
Gross Profit Margin
Selling, General & Admin
YoY Change
% of Gross Profit
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$268.0M	$250.0M
YoY Change	7.2%	0.81%
% of Gross Profit
Operating Expenses	$1.997B	$1.723B
YoY Change	15.9%	-1.15%
Operating Profit	$223.0M	$294.0M
YoY Change	-24.15%	2.08%
Interest Expense	$112.0M	$109.0M
YoY Change	2.75%	-12.1%
% of Operating Profit	50.22%	37.07%
Other Income/Expense, Net	-$72.00M	-$76.00M
YoY Change	-5.26%	-32.14%
Pretax Income	$151.0M	$218.0M
YoY Change	-30.73%	23.86%
Income Tax	$44.00M	$70.00M
% Of Pretax Income	29.14%	32.11%
Net Earnings	$105.0M	$146.0M
YoY Change	-28.08%	-27.72%
Net Earnings / Revenue	4.72%	7.25%
Basic Earnings Per Share	$0.60	$0.86
Diluted Earnings Per Share	$0.60	$0.86
COMMON SHARES
Basic Shares Outstanding	174.0M shares	170.0M shares
Diluted Shares Outstanding	175.0M shares	171.0M shares

Balance Sheet

Concept	2013 Q2	2012 Q2
SHORT-TERM ASSETS
Cash & Short-Term Investments	$46.00M	$185.0M
YoY Change	-75.14%	203.28%
Cash & Equivalents	$46.00M	$185.0M
Short-Term Investments
Other Short-Term Assets	$115.0M	$162.0M
YoY Change	-29.01%	-71.92%
Inventory	$627.0M	$710.0M
Prepaid Expenses
Receivables	$1.314B	$1.239B
Other Receivables	$102.0M	$164.0M
Total Short-Term Assets	$2.496B	$3.050B
YoY Change	-18.16%	10.07%
LONG-TERM ASSETS
Property, Plant & Equipment	$15.19B	$14.15B
YoY Change	7.33%	6.53%
Goodwill	$2.018B	$2.020B
YoY Change	-0.1%
Intangibles	$138.0M	$67.00M
YoY Change	105.97%
Long-Term Investments	$1.681B	$1.593B
YoY Change	5.52%	2.77%
Other Assets	$199.0M	$189.0M
YoY Change	5.29%	-96.03%
Total Long-Term Assets	$6.604B	$7.355B
YoY Change	-10.21%	-66.27%
TOTAL ASSETS
Total Short-Term Assets	$2.496B	$3.050B
Total Long-Term Assets	$6.604B	$7.355B
Total Assets	$25.94B	$26.08B
YoY Change	-0.5%	6.09%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$808.0M	$728.0M
YoY Change	10.99%	-0.68%
Accrued Expenses	$97.00M	$94.00M
YoY Change	3.19%	-6.93%
Deferred Revenue
YoY Change
Short-Term Debt	$216.0M	$39.00M
YoY Change	453.85%	-74.17%
Long-Term Debt Due	$879.0M	$848.0M
YoY Change	3.66%	160.12%
Total Short-Term Liabilities	$2.962B	$2.635B
YoY Change	12.41%	17.32%
LONG-TERM LIABILITIES
Long-Term Debt	$6.116B	$6.528B
YoY Change	-6.31%	-13.04%
Other Long-Term Liabilities	$283.0M	$297.0M
YoY Change	-4.71%	-94.1%
Total Long-Term Liabilities	$8.589B	$9.044B
YoY Change	-5.03%	-27.91%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.962B	$2.635B
Total Long-Term Liabilities	$8.589B	$9.044B
Total Liabilities	$11.55B	$11.68B
YoY Change	-1.1%	-34.37%
SHAREHOLDERS EQUITY
Retained Earnings	$3.945B	$3.744B
YoY Change	5.37%
Common Stock	$3.762B	$3.549B
YoY Change	6.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$7.552B	$7.142B
YoY Change
Total Liabilities & Shareholders Equity	$25.94B	$26.08B
YoY Change	-0.5%	6.09%

Cashflow Statement

Concept	2013 Q2	2012 Q2
OPERATING ACTIVITIES
Net Income	$105.0M	$146.0M
YoY Change	-28.08%	-27.72%
Depreciation, Depletion And Amortization	$268.0M	$250.0M
YoY Change	7.2%	0.81%
Cash From Operating Activities	$670.0M	$541.0M
YoY Change	23.84%	23.8%
INVESTING ACTIVITIES
Capital Expenditures	-$523.0M	-$447.0M
YoY Change	17.0%	-0.45%
Acquisitions
YoY Change
Other Investing Activities	-$56.00M	-$42.00M
YoY Change	33.33%	-43.24%
Cash From Investing Activities	-$579.0M	-$489.0M
YoY Change	18.4%	-6.5%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-263.0M	76.00M
YoY Change	-446.05%	-252.0%
NET CHANGE
Cash From Operating Activities	670.0M	541.0M
Cash From Investing Activities	-579.0M	-489.0M
Cash From Financing Activities	-263.0M	76.00M
Net Change In Cash	-172.0M	128.0M
YoY Change	-234.38%	-194.12%
FREE CASH FLOW
Cash From Operating Activities	$670.0M	$541.0M
Capital Expenditures	-$523.0M	-$447.0M
Free Cash Flow	$1.193B	$988.0M
YoY Change	20.75%	11.51%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
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CY2013Q2	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	1314000000	USD
CY2013Q2	us-gaap	Accumulated Deferred Investment Tax Credit AccumulatedDeferredInvestmentTaxCredit	51000000	USD
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CY2012Q4	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-158000000	USD
CY2013Q2	us-gaap	Accumulated Other Comprehensive Income Loss Net Of Tax AccumulatedOtherComprehensiveIncomeLossNetOfTax	-155000000	USD
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CY2013Q2	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	35000000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	63000000	USD
CY2012Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	62000000	USD
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CY2013Q2	us-gaap	Asset Retirement Obligation AssetRetirementObligation	1784000000	USD
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	us-gaap	Asset Retirement Obligation Accretion Expense AssetRetirementObligationAccretionExpense	52000000	USD
	us-gaap	Asset Retirement Obligation Revision Of Estimate AssetRetirementObligationRevisionOfEstimate	13000000	USD
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CY2012Q4	us-gaap	Assets Assets	26339000000	USD
CY2013Q2	us-gaap	Assets Current AssetsCurrent	2496000000	USD
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CY2013Q2	us-gaap	Available For Sale Securities Gross Realized Gains AvailableForSaleSecuritiesGrossRealizedGains	11000000	USD
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	us-gaap	Available For Sale Securities Gross Realized Losses AvailableForSaleSecuritiesGrossRealizedLosses	-11000000	USD
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	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	-19000000	USD
	us-gaap	Cash And Cash Equivalents Period Increase Decrease CashAndCashEquivalentsPeriodIncreaseDecrease	117000000	USD
CY2012Q4	us-gaap	Collateral Already Posted Aggregate Fair Value CollateralAlreadyPostedAggregateFairValue	20000000	USD
CY2013Q2	us-gaap	Commercial Paper CommercialPaper	216000000	USD
	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	1.18
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CY2013Q2	us-gaap	Common Stock Dividends Per Share Declared CommonStockDividendsPerShareDeclared	0.66
CY2013Q2	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
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CY2013Q2	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	400000000	shares
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CY2013Q2	us-gaap	Common Stock Value CommonStockValue	3762000000	USD
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	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	309000000	USD
	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	342000000	USD
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CY2013Q2	us-gaap	Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest	2000000	USD
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	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	527000000	USD
	us-gaap	Cost Of Services Depreciation And Amortization CostOfServicesDepreciationAndAmortization	471000000	USD
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	us-gaap	Distributed Earnings DistributedEarnings	201000000	USD
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	us-gaap	Distributed Earnings DistributedEarnings	222000000	USD
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	us-gaap	Dividends Cash DividendsCash	0	USD
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	us-gaap	Earnings Per Share Diluted Undistributed EarningsPerShareDilutedUndistributed	0.66
CY2012Q2	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.32
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CY2013Q2	us-gaap	Employee Service Share Based Compensation Allocation Of Recognized Period Costs Capitalized Amount EmployeeServiceShareBasedCompensationAllocationOfRecognizedPeriodCostsCapitalizedAmount	2000000	USD
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	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P1Y4M29D
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	15000000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	25000000	USD
CY2012Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	9000000	USD
CY2013Q2	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	14000000	USD
	us-gaap	Extinguishment Of Debt Amount ExtinguishmentOfDebtAmount	515000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	15000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	45000000	USD
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	52000000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Gain Loss Included In Earnings1 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetGainLossIncludedInEarnings1	15000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease	40000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease	20000000	USD
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease	33000000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Period Increase Decrease FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPeriodIncreaseDecrease	31000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Purchases FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetPurchases	1000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-64000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-21000000	USD
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	-37000000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Settlements FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetSettlements	7000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	0	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	29000000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Into Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersIntoLevel3	1000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	-2000000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	-2000000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Transfers Out Of Level3 FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetTransfersOutOfLevel3	0	USD
CY2012Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	57000000	USD
CY2012Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-13000000	USD
CY2011Q4	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	44000000	USD
CY2013Q2	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-16000000	USD
CY2013Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	-41000000	USD
CY2012Q1	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Asset Value FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAssetValue	37000000	USD
CY2013Q2	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	40000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	34000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	189000000	USD
CY2013Q2	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	192000000	USD
CY2012Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	155000000	USD
CY2013Q2	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	152000000	USD
CY2012Q4	us-gaap	Goodwill Goodwill	2018000000	USD
CY2013Q2	us-gaap	Goodwill Goodwill	2018000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	342000000	USD
	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	306000000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	107000000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations IncomeLossFromContinuingOperations	148000000	USD
CY2013Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	151000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	491000000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	449000000	USD
CY2012Q2	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	218000000	USD
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.78
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.87
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	0.60
	us-gaap	Income Loss From Continuing Operations Per Basic Share IncomeLossFromContinuingOperationsPerBasicShare	1.94
CY2013Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.60
CY2012Q2	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	0.87
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.94
	us-gaap	Income Loss From Continuing Operations Per Diluted Share IncomeLossFromContinuingOperationsPerDilutedShare	1.78
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1000000	USD
CY2013Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	0	USD
	us-gaap	Income Loss From Discontinued Operations Net Of Tax IncomeLossFromDiscontinuedOperationsNetOfTax	-1000000	USD
CY2013Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Basic Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare	0.00
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
CY2012Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.01
	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2013Q2	us-gaap	Income Loss From Discontinued Operations Net Of Tax Per Diluted Share IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare	0.00
CY2012Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	70000000	USD
CY2013Q2	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	44000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	143000000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	149000000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4000000	USD
	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	29000000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	120000000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	70000000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	39000000	USD
	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	20000000	USD
	us-gaap	Increase Decrease In Commodity Contract Assets And Liabilities IncreaseDecreaseInCommodityContractAssetsAndLiabilities	26000000	USD
	us-gaap	Increase Decrease In Commodity Contract Assets And Liabilities IncreaseDecreaseInCommodityContractAssetsAndLiabilities	-15000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	133000000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	81000000	USD
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	275000000	USD
	us-gaap	Increase Decrease In Operating Capital IncreaseDecreaseInOperatingCapital	300000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	299000000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	324000000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-275000000	USD
	us-gaap	Increase Decrease In Other Operating Capital Net IncreaseDecreaseInOtherOperatingCapitalNet	-300000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	112000000	USD
	us-gaap	Increase Decrease In Other Operating Liabilities IncreaseDecreaseInOtherOperatingLiabilities	45000000	USD
	us-gaap	Increase Decrease In Postretirement Obligations IncreaseDecreaseInPostretirementObligations	174000000	USD
	us-gaap	Increase Decrease In Postretirement Obligations IncreaseDecreaseInPostretirementObligations	142000000	USD
	us-gaap	Increase Decrease In Prepaid Pension Costs IncreaseDecreaseInPrepaidPensionCosts	-42000000	USD
	us-gaap	Increase Decrease In Prepaid Pension Costs IncreaseDecreaseInPrepaidPensionCosts	6000000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-15000000	USD
	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-10000000	USD
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2012Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	1000000	shares
CY2013Q2	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0	shares
CY2013Q2	us-gaap	Intangible Assets Current IntangibleAssetsCurrent	-14000000	USD
CY2012Q4	us-gaap	Intangible Assets Current IntangibleAssetsCurrent	-20000000	USD
CY2012Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	135000000	USD
CY2013Q2	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	138000000	USD
	us-gaap	Interest Expense InterestExpense	221000000	USD
CY2013Q2	us-gaap	Interest Expense InterestExpense	112000000	USD
CY2012Q2	us-gaap	Interest Expense InterestExpense	109000000	USD
	us-gaap	Interest Expense InterestExpense	222000000	USD
CY2012Q4	us-gaap	Interest Payable Current InterestPayableCurrent	93000000	USD
CY2013Q2	us-gaap	Interest Payable Current InterestPayableCurrent	97000000	USD
CY2013Q2	us-gaap	Interest Rate Cash Flow Hedge Gain Loss To Be Reclassified During Next12 Months Net InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet	1000000	USD
CY2013Q2	us-gaap	Inventory Raw Materials InventoryRawMaterials	378000000	USD
CY2012Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	527000000	USD
CY2012Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	3000000	USD
CY2013Q2	us-gaap	Investment Income Interest InvestmentIncomeInterest	3000000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	5000000	USD
	us-gaap	Investment Income Interest InvestmentIncomeInterest	5000000	USD
CY2012Q4	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	110000000	USD
CY2013Q2	us-gaap	Investments Fair Value Disclosure InvestmentsFairValueDisclosure	119000000	USD
CY2013Q2	us-gaap	Junior Subordinated Long Term Notes JuniorSubordinatedLongTermNotes	480000000	USD
CY2012Q4	us-gaap	Junior Subordinated Long Term Notes JuniorSubordinatedLongTermNotes	480000000	USD
CY2013Q2	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	38000000	USD
CY2013Q2	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	25944000000	USD
CY2012Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	26339000000	USD
CY2012Q4	us-gaap	Liabilities Current LiabilitiesCurrent	2768000000	USD
CY2013Q2	us-gaap	Liabilities Current LiabilitiesCurrent	2962000000	USD
CY2012Q4	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	9146000000	USD
CY2013Q2	us-gaap	Liabilities Noncurrent LiabilitiesNoncurrent	8589000000	USD
CY2013Q2	us-gaap	Line Of Credit Facility Amount Outstanding LineOfCreditFacilityAmountOutstanding	-400000000	USD
CY2013Q2	us-gaap	Line Of Credit Facility Current Borrowing Capacity LineOfCreditFacilityCurrentBorrowingCapacity	1975000000	USD
CY2013Q2	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	1575000000	USD
CY2013Q2	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	-184000000	USD
CY2013Q2	us-gaap	Long Term Debt LongTermDebt	7671000000	USD
CY2012Q4	us-gaap	Long Term Debt LongTermDebt	7813000000	USD
CY2013Q2	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	6806000000	USD
CY2012Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	7014000000	USD
CY2013Q2	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	879000000	USD
CY2012Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	817000000	USD
CY2012Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	6220000000	USD
CY2013Q2	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	6116000000	USD
CY2012Q4	us-gaap	Long Term Investments LongTermInvestments	1591000000	USD
CY2013Q2	us-gaap	Long Term Investments LongTermInvestments	1654000000	USD
	us-gaap	Long Term Purchase Commitment Amount LongTermPurchaseCommitmentAmount	4400000000	USD
CY2013Q2	us-gaap	Long Term Transition Bond LongTermTransitionBond	201000000	USD
CY2012Q4	us-gaap	Long Term Transition Bond LongTermTransitionBond	302000000	USD
CY2012Q4	us-gaap	Minority Interest MinorityInterest	38000000	USD
CY2013Q2	us-gaap	Minority Interest MinorityInterest	35000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	1000000	USD
	dte	Benefit Obligations Net Of Tax BenefitObligationsNetOfTax	6000000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-157000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-375000000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-212000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-832000000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-911000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1161000000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1267000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	339000000	USD
CY2012Q2	us-gaap	Net Income Loss NetIncomeLoss	146000000	USD
CY2013Q2	us-gaap	Net Income Loss NetIncomeLoss	105000000	USD
	us-gaap	Net Income Loss NetIncomeLoss	302000000	USD
CY2012Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1000000	USD
CY2013Q2	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	2000000	USD
CY2013Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-72000000	USD
CY2012Q2	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-76000000	USD
	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-142000000	USD
CY2012Q4	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	112000000	USD
CY2013Q2	us-gaap	Notes And Loans Receivable Net Noncurrent NotesAndLoansReceivableNetNoncurrent	106000000	USD
CY2013Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	223000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	633000000	USD
	us-gaap	Operating Income Loss OperatingIncomeLoss	606000000	USD
CY2012Q2	us-gaap	Operating Income Loss OperatingIncomeLoss	294000000	USD
CY2013Q2	us-gaap	Other Assets Current OtherAssetsCurrent	115000000	USD
CY2012Q4	us-gaap	Other Assets Current OtherAssetsCurrent	194000000	USD
CY2012Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	197000000	USD
CY2013Q2	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	199000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	1000000	USD
	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	0	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	0	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Derivatives Qualifying As Hedges Net Of Tax OtherComprehensiveIncomeLossDerivativesQualifyingAsHedgesNetOfTax	0	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	0	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1000000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1000000	USD
	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	2000000	USD
	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	3000000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Net Of Tax OtherComprehensiveIncomeLossNetOfTax	1000000	USD
CY2012Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	3000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	5000000	USD
CY2013Q2	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	2000000	USD
	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	6000000	USD
	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2012Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2013Q2	us-gaap	Other Comprehensive Income Unrealized Holding Gain Loss On Securities Arising During Period Net Of Tax OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax	0	USD
CY2012Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	-4000000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	-9000000	USD
CY2013Q2	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	5000000	USD
	us-gaap	Other Cost And Expense Operating OtherCostAndExpenseOperating	-1000000	USD
CY2013Q2	us-gaap	Other Income OtherIncome	46000000	USD
CY2012Q2	us-gaap	Other Income OtherIncome	41000000	USD
	us-gaap	Other Income OtherIncome	78000000	USD
	us-gaap	Other Income OtherIncome	90000000	USD
CY2013Q2	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	141000000	USD
CY2012Q4	us-gaap	Other Intangible Assets Net OtherIntangibleAssetsNet	139000000	USD
CY2012Q4	us-gaap	Other Inventory Supplies OtherInventorySupplies	234000000	USD
CY2013Q2	us-gaap	Other Inventory Supplies OtherInventorySupplies	249000000	USD
CY2012Q4	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	538000000	USD
CY2013Q2	us-gaap	Other Liabilities Current OtherLiabilitiesCurrent	570000000	USD
	dte	Benefit Obligations Net Of Tax BenefitObligationsNetOfTax	5000000	USD
CY2013Q2	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	283000000	USD
CY2012Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	306000000	USD
CY2012Q4	us-gaap	Other Long Term Investments OtherLongTermInvestments	554000000	USD
CY2013Q2	us-gaap	Other Long Term Investments OtherLongTermInvestments	574000000	USD
CY2013Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	9000000	USD
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	16000000	USD
CY2012Q2	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	11000000	USD
	us-gaap	Other Nonoperating Expense OtherNonoperatingExpense	18000000	USD
CY2013Q2	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	702000000	USD
CY2012Q4	us-gaap	Other Postretirement Defined Benefit Plan Liabilities Noncurrent OtherPostretirementDefinedBenefitPlanLiabilitiesNoncurrent	1160000000	USD
CY2012Q4	us-gaap	Other Receivables OtherReceivables	126000000	USD
CY2013Q2	us-gaap	Other Receivables OtherReceivables	102000000	USD
CY2012Q4	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	65000000	USD
CY2013Q2	us-gaap	Other Short Term Borrowings OtherShortTermBorrowings	64000000	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2012Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
CY2013Q2	us-gaap	Other Than Temporary Impairment Losses Investments Portion Recognized In Earnings Net OtherThanTemporaryImpairmentLossesInvestmentsPortionRecognizedInEarningsNet	0	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	23000000	USD
	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	15000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	199000000	USD
	us-gaap	Payments Of Dividends Common Stock PaymentsOfDividendsCommonStock	215000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	35000000	USD
	us-gaap	Payments To Acquire Available For Sale Securities PaymentsToAcquireAvailableForSaleSecurities	44000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	20000000	USD
	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	19000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	371000000	USD
	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	496000000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	40000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-9000000	USD
CY2013Q2	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	15000000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-11000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-380000000	USD
	us-gaap	Proceeds From Repayments Of Short Term Debt ProceedsFromRepaymentsOfShortTermDebt	-24000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	27000000	USD
	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	36000000	USD
CY2012Q2	us-gaap	Proceeds From Sale Of Available For Sale Securities ProceedsFromSaleOfAvailableForSaleSecurities	25000000	USD
	dte	Transition Pl Dcustomersto Dte Electricdistributionsystem TransitionPLDcustomerstoDTEElectricdistributionsystem	P5Y
	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	15000000	USD
	us-gaap	Proceeds From Sale Of Other Productive Assets ProceedsFromSaleOfOtherProductiveAssets	15000000	USD
CY2013Q2	us-gaap	Profit Loss ProfitLoss	107000000	USD
CY2012Q2	us-gaap	Profit Loss ProfitLoss	147000000	USD
	us-gaap	Profit Loss ProfitLoss	342000000	USD
	us-gaap	Profit Loss ProfitLoss	305000000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	23631000000	USD
CY2013Q2	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	24356000000	USD
CY2013Q2	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	15190000000	USD
CY2012Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	14684000000	USD
	dte	Transition Pl Dcustomersto Dte Electricdistributionsystem TransitionPLDcustomerstoDTEElectricdistributionsystem	P7Y
CY2013Q2	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	90000000	USD
CY2012Q4	us-gaap	Regulatory Assets Current RegulatoryAssetsCurrent	182000000	USD
CY2012Q4	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	4235000000	USD
CY2013Q2	us-gaap	Regulatory Assets Noncurrent RegulatoryAssetsNoncurrent	3790000000	USD
CY2012Q4	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	1031000000	USD
CY2013Q2	us-gaap	Regulatory Liability Noncurrent RegulatoryLiabilityNoncurrent	954000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	140000000	USD
	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	515000000	USD
CY2012Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	122000000	USD
CY2013Q2	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	112000000	USD
CY2013Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3945000000	USD
CY2012Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	3944000000	USD
CY2013Q2	us-gaap	Revenues Revenues	2225000000	USD
	us-gaap	Revenues Revenues	4252000000	USD
CY2012Q2	us-gaap	Revenues Revenues	2013000000	USD
	us-gaap	Revenues Revenues	4741000000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	4741000000	USD
CY2012Q2	us-gaap	Sales Revenue Net SalesRevenueNet	2013000000	USD
CY2013Q2	us-gaap	Sales Revenue Net SalesRevenueNet	2225000000	USD
	us-gaap	Sales Revenue Net SalesRevenueNet	4252000000	USD
	dte	Unrealized Losses On Available For Sale Securities UnrealizedLossesOnAvailableForSaleSecurities	0	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	534027	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	64.52
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	811341	shares
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	42.48
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	10000000	USD
CY2013Q2	us-gaap	Securitized Regulatory Transition Assets Noncurrent SecuritizedRegulatoryTransitionAssetsNoncurrent	326000000	USD
CY2012Q4	us-gaap	Securitized Regulatory Transition Assets Noncurrent SecuritizedRegulatoryTransitionAssetsNoncurrent	413000000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	-22906	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	17000000	USD
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures And Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod	-10370	shares
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	22000000	USD
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	811341	shares
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1192670	shares
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	42.48
CY2012Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	41.86
CY2013Q2	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Vested And Expected To Vest Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableNumber	200844	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	40.53
CY2013Q2	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	22000000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P4Y4M11D
CY2013Q2	us-gaap	Short Term Borrowings ShortTermBorrowings	216000000	USD
CY2012Q4	us-gaap	Short Term Borrowings ShortTermBorrowings	240000000	USD
	us-gaap	Stock Issued1 StockIssued1	165000000	USD
	us-gaap	Stock Issued1 StockIssued1	129000000	USD
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	-370959	shares
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	0	USD
	us-gaap	Stock Option Plan Expense StockOptionPlanExpense	500000	USD
CY2013Q2	us-gaap	Stockholders Equity StockholdersEquity	7552000000	USD
CY2012Q4	us-gaap	Stockholders Equity StockholdersEquity	7373000000	USD
CY2012Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7411000000	USD
CY2013Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	7587000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	174000000	USD
CY2012Q2	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	79000000	USD
	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	178000000	USD
CY2013Q2	us-gaap	Taxes Excluding Income And Excise Taxes TaxesExcludingIncomeAndExciseTaxes	84000000	USD
	us-gaap	Trading Securities Unrealized Holding Gain Loss TradingSecuritiesUnrealizedHoldingGainLoss	8000000	USD
	us-gaap	Trading Securities Unrealized Holding Gain Loss TradingSecuritiesUnrealizedHoldingGainLoss	5000000	USD
CY2013Q2	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	3000000	USD
	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Settlements With Taxing Authorities UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities	1000000	USD
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1440000000	USD
	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	1424000000	USD
CY2013Q2	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	705000000	USD
CY2012Q2	us-gaap	Utilities Operating Expense Maintenance And Operations UtilitiesOperatingExpenseMaintenanceAndOperations	703000000	USD
	us-gaap	Valuation Allowances And Reserves Adjustments ValuationAllowancesAndReservesAdjustments	0	USD
	us-gaap	Valuation Allowances And Reserves Adjustments ValuationAllowancesAndReservesAdjustments	7000000	USD
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	171000000	shares
CY2013Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	175000000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	174000000	shares
CY2012Q2	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	171000000	shares
CY2012Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	170000000	shares
CY2013Q2	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	174000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	170000000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	174000000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	1000000	shares
	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	1000000	shares
CY2012Q2	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	1000000	shares
CY2013Q2	us-gaap	Weighted Average Number Of Shares Restricted Stock WeightedAverageNumberOfSharesRestrictedStock	1000000	shares
	dte	A2004 Ep Aproposedcompliancetimelineinyears A2004EPAproposedcompliancetimelineinyears	P8Y
	dte	Aggregate Limitof Liabilities Arises From Terrorist Act Outside Scopeof Trials Subjectto One Industry AggregateLimitofLiabilitiesArisesFromTerroristActOutsideScopeofTrialsSubjecttoOneIndustry	300000000	USD
	dte	Amount Per Event Loss Associated With Nuclear Power Plants AmountPerEventLossAssociatedWithNuclearPowerPlants	33000000	USD
	dte	Amounts Reclassified From Accumulated Other Comprehensive Income AmountsReclassifiedFromAccumulatedOtherComprehensiveIncome	5000000	USD
CY2013Q2	dte	Amounts Reclassified From Accumulated Other Comprehensive Income AmountsReclassifiedFromAccumulatedOtherComprehensiveIncome	2000000	USD
	dte	Annual Decrease In Other Postretirement Benefits Costs Due To Remeasurement AnnualDecreaseInOtherPostretirementBenefitsCostsDueToRemeasurement	40000000	USD
	dte	Average Maturity Of Debt Securities AverageMaturityOfDebtSecurities	P6Y
CY2012	dte	Average Maturity Of Debt Securities AverageMaturityOfDebtSecurities	P6Y
CY2013Q3	dte	Bankruptcy Claims Accounts Receivableunder Reviewby Management BankruptcyClaimsAccountsReceivableunderReviewbyManagement	18000000	USD
CY2013Q2	dte	Benefit Obligations Net Of Tax BenefitObligationsNetOfTax	2000000	USD
CY2012Q2	dte	Benefit Obligations Net Of Tax BenefitObligationsNetOfTax	3000000	USD
CY2013Q2	dte	Borrowing Capacity Under Financing Agreement With Its Clearing Agent BorrowingCapacityUnderFinancingAgreementWithItsClearingAgent	100000000	USD
CY2012Q4	dte	Cash Collateral Paid CashCollateralPaid	4000000	USD
CY2013Q2	dte	Cash Collateral Paid CashCollateralPaid	6000000	USD
CY2013Q2	dte	Cash Collateral Paid Or Received For Derivative Assets CashCollateralPaidOrReceivedForDerivativeAssets	14000000	USD
CY2012Q4	dte	Cash Collateral Paid Or Received For Derivative Assets CashCollateralPaidOrReceivedForDerivativeAssets	0	USD
CY2013Q2	dte	Cash Collateral Paid Or Received For Derivative Liabilities CashCollateralPaidOrReceivedForDerivativeLiabilities	19000000	USD
CY2013Q2	dte	Cash Collateral Posted Net Of Cash Collateral Received CashCollateralPostedNetOfCashCollateralReceived	2000000	USD
CY2012Q4	dte	Cash Collateral Received CashCollateralReceived	24000000	USD
CY2013Q2	dte	Cash Collateral Received CashCollateralReceived	3000000	USD
CY2013Q2	dte	Cash Collateral Remaiining Balance After Netting CashCollateralRemaiiningBalanceAfterNetting	0	USD
	dte	Combined Coverage Limit For Total Property Damage CombinedCoverageLimitForTotalPropertyDamage	2750000000	USD
	dte	Company Obligated To Pay Doe Fee Of Fermi2 Electricity Generated And Sold CompanyObligatedToPayDoeFeeOfFermi2ElectricityGeneratedAndSold	1	kWh
	dte	Contribution Of Common Stock To Pension Plan ContributionOfCommonStockToPensionPlan	100000000	USD
CY2013Q1	dte	Contribution Of Common Stock To Pension Plan Shares ContributionOfCommonStockToPensionPlanShares	750075	shares
	dte	Contribution Of Common Stock To Pension Plan Shares ContributionOfCommonStockToPensionPlanShares	753579	shares
CY2013Q1	dte	Contribution Of Common Stock To Pension Plan Value ContributionOfCommonStockToPensionPlanValue	50000000	USD
	dte	Contribution Of Common Stock To Pension Plan Value ContributionOfCommonStockToPensionPlanValue	50000000	USD
CY2013Q1	dte	Contribution Of Common Stock To Pension Plans Amount Per Share ContributionOfCommonStockToPensionPlansAmountPerShare	66.66
CY2013Q2	dte	Contribution Of Common Stock To Pension Plans Amount Per Share ContributionOfCommonStockToPensionPlansAmountPerShare	66.35
	dte	Coverage For Stabilization Decontamination Debris Removal Repair And Replacement Of Property And Decommissioning CoverageForStabilizationDecontaminationDebrisRemovalRepairAndReplacementOfPropertyAndDecommissioning	2250000000	USD
	dte	Deferred Premium Charged Leviied Against Each Licensed Nuclear Facility DeferredPremiumChargedLeviiedAgainstEachLicensedNuclearFacility	117500000	USD
CY2013Q2	dte	Derivative Instruments Recoverable Through Pscr Mechanism DerivativeInstrumentsRecoverableThroughPscrMechanism	3000000	USD
	dte	Derivative Instruments Recoverable Through Pscr Mechanism DerivativeInstrumentsRecoverableThroughPscrMechanism	4000000	USD
	dte	Dividends Declared Common Shares DividendsDeclaredCommonShares	200000000	USD
CY2012Q2	dte	Dividends Declared Common Shares DividendsDeclaredCommonShares	100000000	USD
	dte	Dividends Declared Common Shares DividendsDeclaredCommonShares	222000000	USD
CY2013Q2	dte	Dividends Declared Common Shares DividendsDeclaredCommonShares	114000000	USD
CY2013Q2	dte	Epa Sulfur Dioxide Ambient Air Quality Standard EpaSulfurDioxideAmbientAirQualityStandard	1
CY2012Q4	dte	Gross Amounts Offset In Statement Of Financial Position GrossAmountsOffsetInStatementOfFinancialPosition	869000000	USD
	dte	Eps Net Income Less Distributed Earnings EpsNetIncomeLessDistributedEarnings	101000000	USD
CY2013Q2	dte	Eps Net Income Less Distributed Earnings EpsNetIncomeLessDistributedEarnings	-10000000	USD
	dte	Eps Net Income Less Distributed Earnings EpsNetIncomeLessDistributedEarnings	117000000	USD
CY2012Q2	dte	Eps Net Income Less Distributed Earnings EpsNetIncomeLessDistributedEarnings	45000000	USD
CY2013Q2	dte	Estimated Future Capital Expenditures For Next Year EstimatedFutureCapitalExpendituresForNextYear	2200000000	USD
CY2012Q4	dte	Fair Value Gross Amounts Of Recognized Assets FairValueGrossAmountsOfRecognizedAssets	1016000000	USD
CY2013Q2	dte	Fair Value Gross Amounts Of Recognized Assets FairValueGrossAmountsOfRecognizedAssets	876000000	USD
CY2012Q4	dte	Fair Value Gross Amounts Of Recognized Liabilities FairValueGrossAmountsOfRecognizedLiabilities	-1020000000	USD
CY2013Q2	dte	Fair Value Gross Amounts Of Recognized Liabilities FairValueGrossAmountsOfRecognizedLiabilities	-870000000	USD
	dte	Fair Value Measurements With Unobservable Inputs Reconciliation Gains And Loses Recorded In Regulatory Assets Liabilities FairValueMeasurementsWithUnobservableInputsReconciliationGainsAndLosesRecordedInRegulatoryAssetsLiabilities	4000000	USD
	dte	Fair Value Measurements With Unobservable Inputs Reconciliation Gains And Loses Recorded In Regulatory Assets Liabilities FairValueMeasurementsWithUnobservableInputsReconciliationGainsAndLosesRecordedInRegulatoryAssetsLiabilities	5000000	USD
CY2013Q2	dte	Fair Value Measurements With Unobservable Inputs Reconciliation Gains And Loses Recorded In Regulatory Assets Liabilities FairValueMeasurementsWithUnobservableInputsReconciliationGainsAndLosesRecordedInRegulatoryAssetsLiabilities	3000000	USD
CY2012Q2	dte	Fair Value Measurements With Unobservable Inputs Reconciliation Gains And Loses Recorded In Regulatory Assets Liabilities FairValueMeasurementsWithUnobservableInputsReconciliationGainsAndLosesRecordedInRegulatoryAssetsLiabilities	4000000	USD
CY2012Q4	dte	Fair Value Of Cash Equivalents Included In Other Investments FairValueOfCashEquivalentsIncludedInOtherInvestments	14000000	USD
CY2013Q2	dte	Fair Value Of Cash Equivalents Included In Other Investments FairValueOfCashEquivalentsIncludedInOtherInvestments	16000000	USD
CY2012Q4	dte	Fair Value Of Cash Equivalents Included In Restricted Cash FairValueOfCashEquivalentsIncludedInRestrictedCash	109000000	USD
CY2013Q2	dte	Fair Value Of Cash Equivalents Included In Restricted Cash FairValueOfCashEquivalentsIncludedInRestrictedCash	96000000	USD
CY2013Q2	dte	Fermi I Corresponding Regulatory Asset Treatment FermiICorrespondingRegulatoryAssetTreatment	0	USD
CY2013Q2	dte	Gas Inventory Equalization GasInventoryEqualization	73000000	USD
CY2012Q4	dte	Gas Inventory Equalization GasInventoryEqualization	0	USD
	dte	Unrealized Losses On Available For Sale Securities UnrealizedLossesOnAvailableForSaleSecurities	0	USD
CY2013Q2	dte	Gross Amounts Offset In Statement Of Financial Position GrossAmountsOffsetInStatementOfFinancialPosition	764000000	USD
CY2013Q2	dte	Gross Amounts Offset In Statements Of Financial Position GrossAmountsOffsetInStatementsOfFinancialPosition	-759000000	USD
CY2012Q4	dte	Gross Amounts Offset In Statements Of Financial Position GrossAmountsOffsetInStatementsOfFinancialPosition	-869000000	USD
CY2013Q2	dte	Guarantee Obligations Maximum Exposure One GuaranteeObligationsMaximumExposureOne	61000000	USD
	dte	Insurance Coverage For Extra Expensewhen To Necessitate Power Plant When Unavailable InsuranceCoverageForExtraExpensewhenToNecessitatePowerPlantWhenUnavailable	490000000	USD
CY2013Q2	dte	Insurance Deductible For Nuclear Power Plant InsuranceDeductibleForNuclearPowerPlant	1000000	USD
CY2013Q2	dte	Intangible Assets Emission Allowance IntangibleAssetsEmissionAllowance	4000000	USD
CY2012Q4	dte	Intangible Assets Emission Allowance IntangibleAssetsEmissionAllowance	6000000	USD
CY2013Q2	dte	Intangible Assets Renewable Energy Credits IntangibleAssetsRenewableEnergyCredits	47000000	USD
CY2012Q4	dte	Intangible Assets Renewable Energy Credits IntangibleAssetsRenewableEnergyCredits	44000000	USD
CY2013Q2	dte	Letters Of Credit Issued LettersOfCreditIssued	37000000	USD
CY2012Q4	dte	Letters Of Credit Issued LettersOfCreditIssued	63000000	USD
	dte	Limit Deferred Premium Charges Per Year LimitDeferredPremiumChargesPerYear	17500000	USD
	dte	Limit For Property Damage For Non Nuclear Events Aggregate Of Extra Expenses LimitForPropertyDamageForNonNuclearEventsAggregateOfExtraExpenses	327000000	USD
	dte	Limit For Property Damage For Non Nuclear Events Aggregate Of Extra Expenses Of Period LimitForPropertyDamageForNonNuclearEventsAggregateOfExtraExpensesOfPeriod	P2Y
CY2013Q2	dte	Line Of Credit Facility Current Borrowing LineOfCreditFacilityCurrentBorrowing	140000000	USD
	dte	Maintenance Of Public Liability Insurance For Nuclear Power Plants MaintenanceOfPublicLiabilityInsuranceForNuclearPowerPlants	375000000	USD
	dte	Maturity In Years For Cash And Cash Equivalents MaturityInYearsForCashAndCashEquivalents	P3M
CY2013Q2	dte	Maximum Additional Margin Financing MaximumAdditionalMarginFinancing	50000000	USD
CY2013Q2	dte	Maximum Percentage Of Commitment To Bank In Any Facility MaximumPercentageOfCommitmentToBankInAnyFacility	0.087
CY2013Q2	dte	Maximum Total Funded Debt To Total Capitalization Ratio MaximumTotalFundedDebtToTotalCapitalizationRatio	0.65
CY2013Q2	dte	Maximum Total Funded Debtto Total Capitalization Ratio Denominator MaximumTotalFundedDebttoTotalCapitalizationRatioDenominator	1
	dte	Neil Policies Against Terrorism Loss NEILPoliciesAgainstTerrorismLoss	3200000000	USD
CY2013Q2	dte	Net Amounts Of Assets Presented In Statements Of Financial Position NetAmountsOfAssetsPresentedInStatementsOfFinancialPosition	117000000	USD
CY2012Q4	dte	Net Amounts Of Assets Presented In Statements Of Financial Position NetAmountsOfAssetsPresentedInStatementsOfFinancialPosition	147000000	USD
CY2013Q2	dte	Net Amounts Of Liabilities Presented In Statements Of Financial Position NetAmountsOfLiabilitiesPresentedInStatementsOfFinancialPosition	-106000000	USD
CY2012Q4	dte	Net Amounts Of Liabilities Presented In Statements Of Financial Position NetAmountsOfLiabilitiesPresentedInStatementsOfFinancialPosition	-151000000	USD
CY2013Q2	dte	Notes Receivable Excudling Capital Leases NotesReceivableExcudlingCapitalLeases	36000000	USD
CY2012Q4	dte	Notes Receivable Excudling Capital Leases NotesReceivableExcudlingCapitalLeases	39000000	USD
CY2013Q2	dte	Number Of Banks That Provide Percentage Of Commitment In Any Facility NumberOfBanksThatProvidePercentageOfCommitmentInAnyFacility	1	banks
CY2013Q2	dte	Number Of Certain Forward Market And Basis Prices Used NumberOfCertainForwardMarketAndBasisPricesUsed	2
CY2013Q2	dte	Number Of Citizens Gas Customers NumberOfCitizensGasCustomers	17000	customers
CY2013Q2	dte	Number Of Electric Utility Customers NumberOfElectricUtilityCustomers	2100000	customers
CY2013Q2	dte	Number Of Gas Utility Customers NumberOfGasUtilityCustomers	1200000	customers
CY2013Q2	dte	Number Of Novs NumberOfNovs	2
CY2013Q2	dte	Numberof No Vs Fo Vscurrentlybeingdiscussedwiththe Epa NumberofNOVsFOVscurrentlybeingdiscussedwiththeEPA	2
	dte	Other Comprehensive Income Before Reclassifications OtherComprehensiveIncomeBeforeReclassifications	-2000000	USD
CY2013Q2	dte	Other Comprehensive Income Before Reclassifications OtherComprehensiveIncomeBeforeReclassifications	-1000000	USD
CY2013Q2	dte	Pension Equalization Mechanism Reconciliationsurchargelength PensionEqualizationMechanismReconciliationsurchargelength	P1M
CY2012Q4	dte	Percentage Of Equity Sold PercentageOfEquitySold	1.00
CY2013Q2	dte	Performance Bonds Outstanding PerformanceBondsOutstanding	41000000	USD
CY2013Q2	dte	Performance Share Awards Outstanding Shares PerformanceShareAwardsOutstandingShares	1596861	shares
CY2012Q4	dte	Performance Share Awards Outstanding Shares PerformanceShareAwardsOutstandingShares	1634364	shares
	dte	Period Increase Decrease In Gas Inventory Equlaization PeriodIncreaseDecreaseInGasInventoryEqulaization	-65000000	USD
	dte	Period Increase Decrease In Gas Inventory Equlaization PeriodIncreaseDecreaseInGasInventoryEqulaization	-73000000	USD
	dte	Period Of Coverage Of Policy For Extra Expenses PeriodOfCoverageOfPolicyForExtraExpenses	P3Y
	dte	Plant And Equipment Expenditures Non Utility PlantAndEquipmentExpendituresNonUtility	197000000	USD
	dte	Plant And Equipment Expenditures Non Utility PlantAndEquipmentExpendituresNonUtility	131000000	USD
	dte	Plant And Equipment Expenditures Utility PlantAndEquipmentExpendituresUtility	708000000	USD
	dte	Plant And Equipment Expenditures Utility PlantAndEquipmentExpendituresUtility	708000000	USD
	dte	Possible Environmental Capital Expenditures To Comply With Requirements PossibleEnvironmentalCapitalExpendituresToComplyWithRequirements	6000000	USD
	dte	Primary Coverage PrimaryCoverage	500000000	USD
CY2013Q2	dte	Remeasurement Decrease In Benefit Cost For Postretirement Plans RemeasurementDecreaseInBenefitCostForPostretirementPlans	69000000	USD
CY2012Q4	dte	Remeasurement Reduction To Post Retirement Benefit Obligation RemeasurementReductionToPostRetirementBenefitObligation	439000000	USD
CY2013Q2	dte	Remeasurement Reduction To Post Retirement Benefit Obligation RemeasurementReductionToPostRetirementBenefitObligation	258000000	USD
CY2012Q4	dte	Remeasurement Reduction To Post Retirement Benefit Obligation Liability RemeasurementReductionToPostRetirementBenefitObligationLiability	1200000000	USD
CY2013Q2	dte	Remeasurement Reduction To Post Retirement Benefit Obligation Liability RemeasurementReductionToPostRetirementBenefitObligationLiability	721000000	USD
	dte	Restricted Stock Award Activity Forfeitures RestrictedStockAwardActivityForfeitures	-2996	shares
	dte	Restricted Stock Award Activity Vested And Issued RestrictedStockAwardActivityVestedAndIssued	-212191	shares
	dte	Restricted Stock Award Activity Vested And Isued Weighted Average Fair Value Per Share RestrictedStockAwardActivityVestedAndIsuedWeightedAverageFairValuePerShare	50.21
	dte	Restricted Stock Awards Activity Forfeitures Weighted Average Fair Value Per Share RestrictedStockAwardsActivityForfeituresWeightedAverageFairValuePerShare	51.33
	dte	Restricted Stock Awards Activity Shares Granted RestrictedStockAwardsActivitySharesGranted	118610	shares
CY2012Q4	dte	Restricted Stock Awards Outstanding Shares RestrictedStockAwardsOutstandingShares	597648	shares
CY2013Q2	dte	Restricted Stock Awards Outstanding Shares RestrictedStockAwardsOutstandingShares	501071	shares
	dte	Retiree Health Care Allowance RetireeHealthCareAllowance	3250	USD
CY2013Q2	dte	Revolving Credit Facilities With Syndicate Number Of Banks RevolvingCreditFacilitiesWithSyndicateNumberOfBanks	19	banks
CY2013Q2	dte	Settlement Provided For Delay Related Costs SettlementProvidedForDelayRelatedCosts	48000000	USD
	dte	Share Based Compensation Arrangements Other Than Options Payout In Period ShareBasedCompensationArrangementsOtherThanOptionsPayoutInPeriod	-548624	shares
CY2013Q2	dte	Sierra Clubis Alleging Dte Electric Coal Fired Power Plants Violatedthe Clean Air Act SierraClubisAllegingDTEElectricCoalFiredPowerPlantsViolatedtheCleanAirAct	4	facilities
CY2013Q2	dte	Significant Potential Exposure To Loss Due To Vie Long Term Purchase Contracts SignificantPotentialExposureToLossDueToVieLongTermPurchaseContracts	0	USD
	dte	Time Period For Maximum Assessments For Losses Associated To Events At Nuclear Plants TimePeriodForMaximumAssessmentsForLossesAssociatedToEventsAtNuclearPlants	P1Y
	dte	Time Period For Tria Insurance After First Loss From Terrorism TimePeriodForTriaInsuranceAfterFirstLossFromTerrorism	P1Y
	dte	Time Period Of Decrease In Unrecognized Tax Benefits TimePeriodOfDecreaseInUnrecognizedTaxBenefits	P12M
	dte	Total Comprehensive Income Net Of Tax TotalComprehensiveIncomeNetOfTax	312000000	USD
CY2013Q2	dte	Total Comprehensive Income Net Of Tax TotalComprehensiveIncomeNetOfTax	108000000	USD
CY2012Q2	dte	Total Comprehensive Income Net Of Tax TotalComprehensiveIncomeNetOfTax	149000000	USD
	dte	Total Comprehensive Income Net Of Tax TotalComprehensiveIncomeNetOfTax	345000000	USD
CY2013Q2	dte	Total Limit For Property Damage For Non Nuclear Events TotalLimitForPropertyDamageForNonNuclearEvents	1800000000	USD
CY2013Q2	dte	Unrealized Losses On Available For Sale Securities UnrealizedLossesOnAvailableForSaleSecurities	0	USD
CY2012Q2	dte	Unrealized Losses On Available For Sale Securities UnrealizedLossesOnAvailableForSaleSecurities	0	USD
CY2013Q2	dte	Unrealized Losses Recognized As Regulatory Assets UnrealizedLossesRecognizedAsRegulatoryAssets	52000000	USD
CY2012Q4	dte	Unrealized Losses Recognized As Regulatory Assets UnrealizedLossesRecognizedAsRegulatoryAssets	44000000	USD
CY2013Q2	dte	Value Of Transactions Company Would Have Been Exposed To If Credit Rating Below Investment Grade ValueOfTransactionsCompanyWouldHaveBeenExposedToIfCreditRatingBelowInvestmentGrade	313000000	USD
CY2013Q2	dte	Weighted Average Grant Date Fair Value Per Share Balance WeightedAverageGrantDateFairValuePerShareBalance	68.35
CY2012Q4	dte	Weighted Average Grant Date Fair Value Per Share Balance WeightedAverageGrantDateFairValuePerShareBalance	48.33
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--06-30
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q2
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
	dei	Document Period End Date DocumentPeriodEndDate	2013-06-30
	dei	Document Type DocumentType	10-Q
	dei	Entity Central Index Key EntityCentralIndexKey	0000936340
CY2013Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	174960000	shares
	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
	dei	Entity Registrant Name EntityRegistrantName	DTE ENERGY CO

Files In Submission

Name	View Source	Status
0000936340-13-000114-index-headers.html	Edgar Link	pending
0000936340-13-000114-index.html	Edgar Link	pending
0000936340-13-000114.txt	Edgar Link	pending
0000936340-13-000114-xbrl.zip	Edgar Link	pending
a2013630ex12-54.htm	Edgar Link	pending
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dte-20130630.xml	Edgar Link	completed
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$DTE
DTE ENERGY CO Stock $dte

2013 Q2 Form 10-Q Financial Statement

#000093634013000114 Filed on July 26, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DTE DTE ENERGY CO Stock $dte

2013 Q2 Form 10-Q Financial Statement

#000093634013000114 Filed on July 26, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$DTE
DTE ENERGY CO Stock $dte