Contingencies and Commitments (Tables)

6 Months Ended

Jun. 30, 2012

Guarantees

								In Millions
Guarantee Description	Issue Date		Expiration Date		Maximum Obligation			Carrying Amount
CMS Energy, including Consumers
Indemnity obligations from asset sales and other agreements		Various		Various through September 2029		$       512	1		$      16
Guarantees and put options2		Various		Various through March 2021		60			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 power purchase agreements, 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 June 30, 2012, the carrying amount of CMS Land's put option agreements with certain Bay Harbor property owners was less than $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]

Expected Remediation Cost By Year

									In Millions
	2012		2013		2014		2015		2016
Consumers
Remediation and other response activity costs		$      10		$      11		$      11		$      20		$      11

Guarantees

								In Millions
Guarantee Description	Issue Date		Expiration Date		Maximum Obligation			Carrying Amount
CMS Energy, including Consumers
Indemnity obligations from asset sales and other agreements		Various		Various through September 2029		$       512	1		$      16
Guarantees and put options2		Various		Various through March 2021		60			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 power purchase agreements, 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 June 30, 2012, the carrying amount of CMS Land's put option agreements with certain Bay Harbor property owners was less than $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.