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Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2012

Reconciliation of Segments to Consolidated

		In Millions
Three Months Ended March 31		2012				2011
CMS ENERGY, INCLUDING CONSUMERS
Operating Revenue
Electric utility		$	836			$	897
Gas utility			839				1,091
Enterprises			54				55
Other			14				12
Total Operating Revenue – CMS Energy		$	1,743			$	2,055
CONSUMERS
Operating Revenue
Electric utility		$	836			$	897
Gas utility			839				1,091
Total Operating Revenue – Consumers		$	1,675			$	1,988
CMS ENERGY, INCLUDING CONSUMERS
Net Income (Loss) Available to Common Stockholders
Electric utility		$	21			$	65
Gas utility			55				88
Enterprises			5				3
Discontinued operations			7				2
Other			(21	)			(23	)
Total Net Income Available to Common Stockholders – CMS Energy		$	67			$	135
CONSUMERS
Net Income Available to Common Stockholder
Electric utility		$	21			$	65
Gas utility			55				88
Total Net Income Available to Common Stockholder – Consumers		$	76			$	153

		In Millions
		March 31, 2012				December 31, 2011
CMS ENERGY, INCLUDING CONSUMERS
Plant, Property, and Equipment, Gross
Electric utility		$	10,495			$	10,400
Gas utility			4,223				4,206
Enterprises			109				109
Other			37				36
Total Plant, Property, and Equipment, Gross – CMS Energy		$	14,864			$	14,751
CONSUMERS
Plant, Property, and Equipment, Gross
Electric utility		$	10,495			$	10,400
Gas utility			4,223				4,206
Other			15				15
Total Plant, Property, and Equipment, Gross – Consumers		$	14,733			$	14,621
CMS Energy, INCLUDING Consumers
Total Assets
Electric utility1		$	9,966			$	9,938
Gas utility1			4,609				4,956
Enterprises			224				242
Other			1,361				1,316
Total Assets – CMS Energy		$	16,160			$	16,452
CONSUMERS
Total Assets
Electric utility1		$	9,966			$	9,938
Gas utility1			4,609				4,956
Other			692				768
Total Assets – Consumers		$	15,267			$	15,662

¹  Amounts include a portion of Consumers' other common assets attributable to both the electric and gas utility businesses.

Consumers Energy Company [Member]

Reconciliation of Segments to Consolidated

		In Millions
Three Months Ended March 31		2012				2011
CMS ENERGY, INCLUDING CONSUMERS
Operating Revenue
Electric utility		$	836			$	897
Gas utility			839				1,091
Enterprises			54				55
Other			14				12
Total Operating Revenue – CMS Energy		$	1,743			$	2,055
CONSUMERS
Operating Revenue
Electric utility		$	836			$	897
Gas utility			839				1,091
Total Operating Revenue – Consumers		$	1,675			$	1,988
CMS ENERGY, INCLUDING CONSUMERS
Net Income (Loss) Available to Common Stockholders
Electric utility		$	21			$	65
Gas utility			55				88
Enterprises			5				3
Discontinued operations			7				2
Other			(21	)			(23	)
Total Net Income Available to Common Stockholders – CMS Energy		$	67			$	135
CONSUMERS
Net Income Available to Common Stockholder
Electric utility		$	21			$	65
Gas utility			55				88
Total Net Income Available to Common Stockholder – Consumers		$	76			$	153

		In Millions
		March 31, 2012				December 31, 2011
CMS ENERGY, INCLUDING CONSUMERS
Plant, Property, and Equipment, Gross
Electric utility		$	10,495			$	10,400
Gas utility			4,223				4,206
Enterprises			109				109
Other			37				36
Total Plant, Property, and Equipment, Gross – CMS Energy		$	14,864			$	14,751
CONSUMERS
Plant, Property, and Equipment, Gross
Electric utility		$	10,495			$	10,400
Gas utility			4,223				4,206
Other			15				15
Total Plant, Property, and Equipment, Gross – Consumers		$	14,733			$	14,621
CMS Energy, INCLUDING Consumers
Total Assets
Electric utility1		$	9,966			$	9,938
Gas utility1			4,609				4,956
Enterprises			224				242
Other			1,361				1,316
Total Assets – CMS Energy		$	16,160			$	16,452
CONSUMERS
Total Assets
Electric utility1		$	9,966			$	9,938
Gas utility1			4,609				4,956
Other			692				768
Total Assets – Consumers		$	15,267			$	15,662

¹  Amounts include a portion of Consumers' other common assets attributable to both the electric and gas utility businesses.

X

- Definition

Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8721-108599



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 22

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8736-108599



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 131

-Paragraph 27, 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 30

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599



Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6905597&loc=d3e13816-109267



Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 280

-SubTopic 10

-Section 50

-Paragraph 25

-URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8813-108599

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