Reportable Segments (Tables)

12 Months Ended

Dec. 31, 2012

Reconciliation Of Segments To Consolidated



In Millions
Years Ended December 31	2012			2011			2010
CMS Energy, including Consumers
Operating revenue
Electric utility		$	4,031		$	3,913		$	3,802
Gas utility			1,982			2,340			2,354
Enterprises			183			204			238
Other			57			46			38
Total operating revenue – CMS Energy		$	6,253		$	6,503		$	6,432
Consumers
Operating revenue
Electric utility		$	4,031		$	3,913		$	3,802
Gas utility			1,982			2,340			2,354
Total operating revenue – Consumers		$	6,013		$	6,253		$	6,156
CMS Energy, including Consumers
Depreciation and amortization
Electric utility		$	459		$	412		$	450
Gas utility			133			130			122
Enterprises			4			3			3
Other			2			1			1
Total depreciation and amortization – CMS Energy		$	598		$	546		$	576
Consumers
Depreciation and amortization
Electric utility		$	459		$	412		$	450
Gas utility			133			130			122
Total depreciation and amortization – Consumers		$	592		$	542		$	572
CMS Energy, including Consumers
Income from equity method investees¹
Enterprises		$	17		$	9		$	11
Total income from equity method investees – CMS Energy		$	17		$	9		$	11
CMS Energy, including Consumers
Interest charges
Electric utility		$	179		$	192		$	202
Gas utility			63			71			73
Other			147			152			156
Total interest charges – CMS Energy		$	389		$	415		$	431
Consumers
Interest charges
Electric utility		$	179		$	192		$	202
Gas utility			63			71			73
Other			2			2			2
Total interest charges – Consumers		$	244		$	265		$	277



In Millions
Years Ended December 31	2012			2011			2010
CMS Energy, including Consumers
Income tax expense (benefit)
Electric utility		$	227		$	190		$	187
Gas utility			70			77			67
Enterprises			(1)			(24)			14
Other			(51)			(52)			(44)
Total income tax expense – CMS Energy		$	245		$	191		$	224
Consumers
Income tax expense
Electric utility		$	227		$	190		$	187
Gas utility			70			77			67
Total income tax expense – Consumers		$	297		$	267		$	254
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	325		$	333		$	303
Gas utility			110			130			127
Enterprises			16			32			36
Other			(69)			(80)			(142)
Total net income available to common stockholders – CMS Energy		$	382		$	415		$	324
Consumers
Net income available to common stockholder
Electric utility		$	325		$	333		$	303
Gas utility			110			130			127
Other			2			2			2
Total net income available to common stockholder – Consumers		$	437		$	465		$	432
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility		$	11,041		$	10,400		$	9,944
Gas utility			4,400			4,206			4,063
Enterprises			113			109			102
Other			38			36			36
Total plant, property, and equipment – CMS Energy		$	15,592		$	14,751		$	14,145
Consumers
Plant, property, and equipment, gross
Electric utility		$	11,041		$	10,400		$	9,944
Gas utility			4,400			4,206			4,063
Other			15			15			15
Total plant, property, and equipment – Consumers		$	15,456		$	14,621		$	14,022
CMS Energy, including Consumers
Investments in equity method investees¹
Enterprises		$	55		$	49		$	48
Other			2			1			1
Total investments in equity method investees – CMS Energy		$	57		$	50		$	49



In Millions
Years Ended December 31	2012			2011			2010
CMS Energy, including Consumers
Total assets
Electric utility²		$	10,423		$	9,938		$	9,321
Gas utility²			5,016			4,956			4,614
Enterprises			181			242			191
Other			1,511			1,316			1,490
Total assets – CMS Energy		$	17,131		$	16,452		$	15,616
Consumers
Total assets
Electric utility²		$	10,423		$	9,938		$	9,321
Gas utility²			5,016			4,956			4,614
Other			836			768			904
Total assets – Consumers		$	16,275		$	15,662		$	14,839
CMS Energy, including Consumers
Capital expenditures³
Electric utility		$	921		$	661		$	642
Gas utility			340			261			235
Enterprises			1			5			4
Other			4			1			2
Total capital expenditures – CMS Energy		$	1,266		$	928		$	883
Consumers
Capital expenditures³
Electric utility		$	921		$	661		$	642
Gas utility			340			261			235
Total capital expenditures – Consumers		$	1,261		$	922		$	877

¹	Consumers had no significant equity method investments.

²	Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.

³	Amounts include purchase of capital lease additions. Amounts also include a portion of Consumers’ capital expenditures for plant and equipment attributable to both the electric and gas utility businesses.

Consumers Energy Company [Member]

Reconciliation Of Segments To Consolidated



In Millions
Years Ended December 31	2012			2011			2010
CMS Energy, including Consumers
Operating revenue
Electric utility		$	4,031		$	3,913		$	3,802
Gas utility			1,982			2,340			2,354
Enterprises			183			204			238
Other			57			46			38
Total operating revenue – CMS Energy		$	6,253		$	6,503		$	6,432
Consumers
Operating revenue
Electric utility		$	4,031		$	3,913		$	3,802
Gas utility			1,982			2,340			2,354
Total operating revenue – Consumers		$	6,013		$	6,253		$	6,156
CMS Energy, including Consumers
Depreciation and amortization
Electric utility		$	459		$	412		$	450
Gas utility			133			130			122
Enterprises			4			3			3
Other			2			1			1
Total depreciation and amortization – CMS Energy		$	598		$	546		$	576
Consumers
Depreciation and amortization
Electric utility		$	459		$	412		$	450
Gas utility			133			130			122
Total depreciation and amortization – Consumers		$	592		$	542		$	572
CMS Energy, including Consumers
Income from equity method investees¹
Enterprises		$	17		$	9		$	11
Total income from equity method investees – CMS Energy		$	17		$	9		$	11
CMS Energy, including Consumers
Interest charges
Electric utility		$	179		$	192		$	202
Gas utility			63			71			73
Other			147			152			156
Total interest charges – CMS Energy		$	389		$	415		$	431
Consumers
Interest charges
Electric utility		$	179		$	192		$	202
Gas utility			63			71			73
Other			2			2			2
Total interest charges – Consumers		$	244		$	265		$	277



In Millions
Years Ended December 31	2012			2011			2010
CMS Energy, including Consumers
Income tax expense (benefit)
Electric utility		$	227		$	190		$	187
Gas utility			70			77			67
Enterprises			(1)			(24)			14
Other			(51)			(52)			(44)
Total income tax expense – CMS Energy		$	245		$	191		$	224
Consumers
Income tax expense
Electric utility		$	227		$	190		$	187
Gas utility			70			77			67
Total income tax expense – Consumers		$	297		$	267		$	254
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	325		$	333		$	303
Gas utility			110			130			127
Enterprises			16			32			36
Other			(69)			(80)			(142)
Total net income available to common stockholders – CMS Energy		$	382		$	415		$	324
Consumers
Net income available to common stockholder
Electric utility		$	325		$	333		$	303
Gas utility			110			130			127
Other			2			2			2
Total net income available to common stockholder – Consumers		$	437		$	465		$	432
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility		$	11,041		$	10,400		$	9,944
Gas utility			4,400			4,206			4,063
Enterprises			113			109			102
Other			38			36			36
Total plant, property, and equipment – CMS Energy		$	15,592		$	14,751		$	14,145
Consumers
Plant, property, and equipment, gross
Electric utility		$	11,041		$	10,400		$	9,944
Gas utility			4,400			4,206			4,063
Other			15			15			15
Total plant, property, and equipment – Consumers		$	15,456		$	14,621		$	14,022
CMS Energy, including Consumers
Investments in equity method investees¹
Enterprises		$	55		$	49		$	48
Other			2			1			1
Total investments in equity method investees – CMS Energy		$	57		$	50		$	49



In Millions
Years Ended December 31	2012			2011			2010
CMS Energy, including Consumers
Total assets
Electric utility²		$	10,423		$	9,938		$	9,321
Gas utility²			5,016			4,956			4,614
Enterprises			181			242			191
Other			1,511			1,316			1,490
Total assets – CMS Energy		$	17,131		$	16,452		$	15,616
Consumers
Total assets
Electric utility²		$	10,423		$	9,938		$	9,321
Gas utility²			5,016			4,956			4,614
Other			836			768			904
Total assets – Consumers		$	16,275		$	15,662		$	14,839
CMS Energy, including Consumers
Capital expenditures³
Electric utility		$	921		$	661		$	642
Gas utility			340			261			235
Enterprises			1			5			4
Other			4			1			2
Total capital expenditures – CMS Energy		$	1,266		$	928		$	883
Consumers
Capital expenditures³
Electric utility		$	921		$	661		$	642
Gas utility			340			261			235
Total capital expenditures – Consumers		$	1,261		$	922		$	877

¹	Consumers had no significant equity method investments.

²	Amounts include a portion of Consumers’ other common assets attributable to both the electric and gas utility businesses.

³	Amounts include purchase of capital lease additions. Amounts also include a portion of Consumers’ capital expenditures for plant and equipment attributable to both the electric and gas utility businesses.

- 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.

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