Reportable Segments (Tables)

3 Months Ended

Mar. 31, 2018

Schedule Of Financial Information By Reportable Segments

In Millions
Three Months Ended March 31	2018			2017
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,078		$	1,036
Gas utility			777			701
Enterprises			63			59
Other reconciling items			35			33
Total operating revenue – CMS Energy		$	1,953		$	1,829
Consumers
Operating revenue
Electric utility		$	1,078		$	1,036
Gas utility			777			701
Total operating revenue – Consumers		$	1,855		$	1,737
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	139		$	124
Gas utility			103			87
Enterprises			15			12
Other reconciling items			(16)			(24)
Total net income available to common stockholders – CMS Energy		$	241		$	199
Consumers
Net income available to common stockholder
Electric utility		$	139		$	124
Gas utility			103			87
Total net income available to common stockholder – Consumers		$	242		$	211

In Millions
	March 31, 2018			December 31, 2017
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1		$	15,432		$	15,221
Gas utility1			7,244			7,080
Enterprises			165			167
Other reconciling items			37			38
Total plant, property, and equipment, gross – CMS Energy		$	22,878		$	22,506
Consumers
Plant, property, and equipment, gross
Electric utility1		$	15,432		$	15,221
Gas utility1			7,244			7,080
Other reconciling items			16			17
Total plant, property, and equipment, gross – Consumers		$	22,692		$	22,318
CMS Energy, including Consumers
Total assets
Electric utility1		$	13,986		$	13,906
Gas utility1			6,941			7,139
Enterprises			348			342
Other reconciling items			1,593			1,663
Total assets – CMS Energy		$	22,868		$	23,050
Consumers
Total assets
Electric utility1		$	13,986		$	13,907
Gas utility1			6,941			7,139
Other reconciling items			22			53
Total assets – Consumers		$	20,949		$	21,099

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

Consumers Energy Company [Member]

Schedule Of Financial Information By Reportable Segments

In Millions
Three Months Ended March 31	2018			2017
CMS Energy, including Consumers
Operating revenue
Electric utility		$	1,078		$	1,036
Gas utility			777			701
Enterprises			63			59
Other reconciling items			35			33
Total operating revenue – CMS Energy		$	1,953		$	1,829
Consumers
Operating revenue
Electric utility		$	1,078		$	1,036
Gas utility			777			701
Total operating revenue – Consumers		$	1,855		$	1,737
CMS Energy, including Consumers
Net income (loss) available to common stockholders
Electric utility		$	139		$	124
Gas utility			103			87
Enterprises			15			12
Other reconciling items			(16)			(24)
Total net income available to common stockholders – CMS Energy		$	241		$	199
Consumers
Net income available to common stockholder
Electric utility		$	139		$	124
Gas utility			103			87
Total net income available to common stockholder – Consumers		$	242		$	211

In Millions
	March 31, 2018			December 31, 2017
CMS Energy, including Consumers
Plant, property, and equipment, gross
Electric utility1		$	15,432		$	15,221
Gas utility1			7,244			7,080
Enterprises			165			167
Other reconciling items			37			38
Total plant, property, and equipment, gross – CMS Energy		$	22,878		$	22,506
Consumers
Plant, property, and equipment, gross
Electric utility1		$	15,432		$	15,221
Gas utility1			7,244			7,080
Other reconciling items			16			17
Total plant, property, and equipment, gross – Consumers		$	22,692		$	22,318
CMS Energy, including Consumers
Total assets
Electric utility1		$	13,986		$	13,906
Gas utility1			6,941			7,139
Enterprises			348			342
Other reconciling items			1,593			1,663
Total assets – CMS Energy		$	22,868		$	23,050
Consumers
Total assets
Electric utility1		$	13,986		$	13,907
Gas utility1			6,941			7,139
Other reconciling items			22			53
Total assets – Consumers		$	20,949		$	21,099

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