Contingencies and Commitments (Tables)

12 Months Ended

Dec. 31, 2011

Guarantees

Guarantee Description	Issue Date		Expiration Date	Maximum Obligation			Carrying Amount
	In Millions
CMS ENERGY, INCLUDING CONSUMERS
Indemnity obligations from asset sales and other agreements		Various	Various through September 2029	$	512	1	$	17
Guarantees and put options2		Various	Various through March 2021		63			1
CONSUMERS
Indemnity obligations and other guarantees		Various	Various through September 2029	$	30		$	1

¹  The majority of this amount arises from stock and asset sale agreements under which CMS Energy or a subsidiary of CMS Energy, other than Consumers, indemnified the purchaser for losses resulting from various matters, including claims related to tax disputes, claims related to PPAs, and defects in title to the assets or stock sold to the purchaser by CMS Energy subsidiaries. Except for items described elsewhere in this Note, CMS Energy believes the likelihood of material loss to be remote for the indemnity obligations not recorded as liabilities.

² At December 31, 2011, the carrying amount of CMS Land's put option agreements with certain Bay Harbor property owners was $1 million. If CMS Land is required to purchase a Bay Harbor property under a put option agreement, it may sell the property to recover the amount paid under the put option agreement.

Consumers Energy Company [Member]

Guarantees

Guarantee Description	Issue Date		Expiration Date	Maximum Obligation			Carrying Amount
	In Millions
CMS ENERGY, INCLUDING CONSUMERS
Indemnity obligations from asset sales and other agreements		Various	Various through September 2029	$	512	1	$	17
Guarantees and put options2		Various	Various through March 2021		63			1
CONSUMERS
Indemnity obligations and other guarantees		Various	Various through September 2029	$	30		$	1

¹  The majority of this amount arises from stock and asset sale agreements under which CMS Energy or a subsidiary of CMS Energy, other than Consumers, indemnified the purchaser for losses resulting from various matters, including claims related to tax disputes, claims related to PPAs, and defects in title to the assets or stock sold to the purchaser by CMS Energy subsidiaries. Except for items described elsewhere in this Note, CMS Energy believes the likelihood of material loss to be remote for the indemnity obligations not recorded as liabilities.

² At December 31, 2011, the carrying amount of CMS Land's put option agreements with certain Bay Harbor property owners was $1 million. If CMS Land is required to purchase a Bay Harbor property under a put option agreement, it may sell the property to recover the amount paid under the put option agreement.

Purchase Obligations

	Payments Due
	Total		2012		2013		2014		2015		2016		Beyond 2016
CONSUMERS
Purchase obligations	$	14,966	$	1,868	$	1,204	$	927	$	1,010	$	1,010	$	8,947
Purchase obligations – related parties		1,686		92		91		96		101		103		1,203

Manufactured Gas Plant [Member] | Consumers Energy Company [Member]

Expected Remediation Cost By Year

	2012		2013		2014		2015		2016
CONSUMERS
Remediation and other response activity costs	$	14	$	12	$	12	$	21	$	13