Asset Retirement Obligations (Tables)

3 Months Ended

Mar. 31, 2015

Asset Retirement Obligation Disclosure [Abstract]

Schedule of Change in Asset Retirement Obligation

A reconciliation of the asset retirement obligations for the three months ended March 31, 2015 follows:

	DTE Energy		DTE Electric
	(In millions)
Asset retirement obligations at December 31, 2014	$	1,962	$	1,796
Accretion	28		26
Revision in estimated cash flows	32		32
Asset retirement obligations at March 31, 2015	$	2,022	$	1,854