Asset Retirement Obligations (Tables)

9 Months Ended

Sep. 30, 2015

Schedule of Change in Asset Retirement Obligation Table

In Millions
	ARO															ARO
	Liability												Cash flow			Liability
Company and ARO Description	12/31/2014			Incurred			Settled			Accretion			Revisions			9/30/2015
CMS Energy, including Consumers
Gas treating plant and gas wells		$	1		$	-		$	-		$	-		$	-		$	1
Consumers			339			-			(3)			14			68			418
Total CMS Energy		$	340		$	-		$	(3)		$	14		$	68		$	419
Consumers
Coal ash disposal areas		$	120		$	-		$	-		$	4		$	68		$	192
Asbestos abatement			51			-			-			2			-			53
Gas distribution cut, purge, and cap			162			-			(3)			8			-			167
Wind parks			6			-			-			-			-			6
Total Consumers		$	339		$	-		$	(3)		$	14		$	68		$	418

Consumers Energy Company [Member]

Schedule of Change in Asset Retirement Obligation Table

In Millions
	ARO															ARO
	Liability												Cash flow			Liability
Company and ARO Description	12/31/2014			Incurred			Settled			Accretion			Revisions			9/30/2015
CMS Energy, including Consumers
Gas treating plant and gas wells		$	1		$	-		$	-		$	-		$	-		$	1
Consumers			339			-			(3)			14			68			418
Total CMS Energy		$	340		$	-		$	(3)		$	14		$	68		$	419
Consumers
Coal ash disposal areas		$	120		$	-		$	-		$	4		$	68		$	192
Asbestos abatement			51			-			-			2			-			53
Gas distribution cut, purge, and cap			162			-			(3)			8			-			167
Wind parks			6			-			-			-			-			6
Total Consumers		$	339		$	-		$	(3)		$	14		$	68		$	418