Financial and Other Derivative Instruments (Details Textuals) (FTR [Member], USD $) In Millions, unless otherwise specified	3 Months Ended
Mar. 31, 2014	Mar. 31, 2013
FTR [Member]
Derivative [Line Items]
Effect of Derivative Instruments Recoverable Through PSCR Mechanism	$ 4	$ 1

Effect of Derivative Instruments Recoverable Through PSCR Mechanism

No definition available.

Name:	dteelectric_EffectOfDerivativeInstrumentsRecoverableThroughPSCRMechanism
Namespace Prefix:	dteelectric_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration