Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2013

Schedule of Change in Asset Retirement Obligation Table

In Millions
	ARO															ARO
	Liability												Cash flow			Liability
Company and ARO Description	12/31/2012			Incurred			Settled1			Accretion			Revisions			12/31/2013
CMS Energy, including Consumers
Gas treating plant and gas wells		$	1		$	-		$	-		$	-		$	-		$	1
Consumers			311			(3)			(6)			18			4			324
Total CMS Energy		$	312		$	(3)		$	(6)		$	18		$	4		$	325
Consumers
Coal ash disposal areas		$	114		$	-		$	(1)		$	5		$	-		$	118
Asbestos abatement			43			-			(1)			3			4			49
Gas distribution cut, purge,    and cap			151			(3)			(4)			10			-			154
Wind park			3			-			-			-			-			3
Total Consumers		$	311		$	(3)		$	(6)		$	18		$	4		$	324

In Millions
	ARO															ARO
	Liability												Cash flow			Liability
Company and ARO Description	12/31/2011			Incurred			Settled1			Accretion			Revisions			12/31/2012
CMS Energy, including Consumers
Gas treating plant and gas wells		$	1		$	-		$	-		$	-		$	-		$	1
Consumers			253			7			(8)			19			40			311
Total CMS Energy		$	254		$	7		$	(8)		$	19		$	40		$	312
Consumers
Coal ash disposal areas		$	70		$	-		$	(3)		$	7		$	40		$	114
Wells at gas storage fields			1			-			(1)			-			-			-
Asbestos abatement			42			-			(1)			2			-			43
Gas distribution cut, purge,    and cap			140			4			(3)			10			-			151
Wind park			-			3			-			-			-			3
Total Consumers		$	253		$	7		$	(8)		$	19		$	40		$	311

1Cash payments of $6 million in 2013 and $8 million in 2012 were included in other current and non-current assets and liabilities as a component of net cash provided by operating activities in CMS Energy’s and Consumers’ consolidated statements of cash flow.

Consumers Energy Company [Member]

Schedule of Change in Asset Retirement Obligation Table

In Millions
	ARO															ARO
	Liability												Cash flow			Liability
Company and ARO Description	12/31/2012			Incurred			Settled1			Accretion			Revisions			12/31/2013
CMS Energy, including Consumers
Gas treating plant and gas wells		$	1		$	-		$	-		$	-		$	-		$	1
Consumers			311			(3)			(6)			18			4			324
Total CMS Energy		$	312		$	(3)		$	(6)		$	18		$	4		$	325
Consumers
Coal ash disposal areas		$	114		$	-		$	(1)		$	5		$	-		$	118
Asbestos abatement			43			-			(1)			3			4			49
Gas distribution cut, purge,    and cap			151			(3)			(4)			10			-			154
Wind park			3			-			-			-			-			3
Total Consumers		$	311		$	(3)		$	(6)		$	18		$	4		$	324

In Millions
	ARO															ARO
	Liability												Cash flow			Liability
Company and ARO Description	12/31/2011			Incurred			Settled1			Accretion			Revisions			12/31/2012
CMS Energy, including Consumers
Gas treating plant and gas wells		$	1		$	-		$	-		$	-		$	-		$	1
Consumers			253			7			(8)			19			40			311
Total CMS Energy		$	254		$	7		$	(8)		$	19		$	40		$	312
Consumers
Coal ash disposal areas		$	70		$	-		$	(3)		$	7		$	40		$	114
Wells at gas storage fields			1			-			(1)			-			-			-
Asbestos abatement			42			-			(1)			2			-			43
Gas distribution cut, purge,    and cap			140			4			(3)			10			-			151
Wind park			-			3			-			-			-			3
Total Consumers		$	253		$	7		$	(8)		$	19		$	40		$	311

1Cash payments of $6 million in 2013 and $8 million in 2012 were included in other current and non-current assets and liabilities as a component of net cash provided by operating activities in CMS Energy’s and Consumers’ consolidated statements of cash flow.