Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2014

Schedule Of Carrying Amounts And Fair Values Of Financial Instruments

In Millions
	June 30, 2014															December 31, 2013
				Fair Value															Fair Value
	Carrying						Level									Carrying						Level
	Amount			Total			1			2			3			Amount			Total			1			2			3
CMS Energy, including Consumers
Securities held    to maturity		$	12		$	12		$	-		$	12		$	-		$	10		$	10		$	-		$	10		$	-
Notes    receivable1			770			813			-			-			813			683			724			-			-			724
Long-term    debt2			7,953			8,702			-			7,691			1,011			7,642			8,368			-			7,406			962
Consumers
Long-term    debt3		$	4,600		$	5,047		$	-		$	4,036		$	1,011		$	4,622		$	4,940		$	-		$	3,978		$	962

¹ Includes current portion of notes receivable of $87 million at June 30, 2014 and $48 million at December 31, 2013.

² Includes current portion of long-term debt of $418 million at June 30, 2014 and $541 million at December 31, 2013.

³ Includes current portion of long-term debt of $45 million at June 30, 2014 and $43 million at December 31, 2013.

Schedule Of Investment Securities

In Millions
	June 30, 2014												December 31, 2013
				Unrealized			Unrealized			Fair						Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value			Cost			Gains			Losses			Value
CMS Energy, including Consumers
Available for sale
DB SERP
Mutual funds		$	133		$	1		$	-		$	134		$	136		$	-		$	-		$	136
Held to maturity
Debt securities			12			-			-			12			10			-			-			10
Consumers
Available for sale
DB SERP
Mutual funds		$	94		$	1		$	-		$	95		$	95		$	-		$	-		$	95
CMS Energy
common stock			5			29			-			34			5			24			-			29

Consumers Energy Company [Member]

Schedule Of Carrying Amounts And Fair Values Of Financial Instruments

In Millions
	June 30, 2014															December 31, 2013
				Fair Value															Fair Value
	Carrying						Level									Carrying						Level
	Amount			Total			1			2			3			Amount			Total			1			2			3
CMS Energy, including Consumers
Securities held    to maturity		$	12		$	12		$	-		$	12		$	-		$	10		$	10		$	-		$	10		$	-
Notes    receivable1			770			813			-			-			813			683			724			-			-			724
Long-term    debt2			7,953			8,702			-			7,691			1,011			7,642			8,368			-			7,406			962
Consumers
Long-term    debt3		$	4,600		$	5,047		$	-		$	4,036		$	1,011		$	4,622		$	4,940		$	-		$	3,978		$	962

¹ Includes current portion of notes receivable of $87 million at June 30, 2014 and $48 million at December 31, 2013.

² Includes current portion of long-term debt of $418 million at June 30, 2014 and $541 million at December 31, 2013.

³ Includes current portion of long-term debt of $45 million at June 30, 2014 and $43 million at December 31, 2013.

Schedule Of Investment Securities

In Millions
	June 30, 2014												December 31, 2013
				Unrealized			Unrealized			Fair						Unrealized			Unrealized			Fair
	Cost			Gains			Losses			Value			Cost			Gains			Losses			Value
CMS Energy, including Consumers
Available for sale
DB SERP
Mutual funds		$	133		$	1		$	-		$	134		$	136		$	-		$	-		$	136
Held to maturity
Debt securities			12			-			-			12			10			-			-			10
Consumers
Available for sale
DB SERP
Mutual funds		$	94		$	1		$	-		$	95		$	95		$	-		$	-		$	95
CMS Energy
common stock			5			29			-			34			5			24			-			29