Cash And Cash Equivalents (Tables)

6 Months Ended

Jun. 30, 2017

Schedule Of Cash And Cash Equivalents, Including Restricted Amounts

In Millions
	June 30			December 31
	2017			2016
CMS Energy, including Consumers
Cash and cash equivalents		$	418		$	235
Restricted cash and cash equivalents			17			19
Other non-current assets			6			3
Cash and cash equivalents, including restricted amounts		$	441		$	257
Consumers
Cash and cash equivalents		$	343		$	131
Restricted cash and cash equivalents			17			19
Other non-current assets			4			2
Cash and cash equivalents, including restricted amounts		$	364		$	152

Schedule Of Restricted Cash Balances

In Millions
Six Months Ended June 30	2016
CMS Energy, including Consumers
Change in:
Net cash used in investing activities		$	(1)
Cash and cash equivalents, including restricted amounts, end of period			21
Consumers
Change in:
Net cash used in investing activities		$	(1)
Cash and cash equivalents, including restricted amounts, end of period			20

Consumers Energy Company [Member]

Schedule Of Cash And Cash Equivalents, Including Restricted Amounts

In Millions
	June 30			December 31
	2017			2016
CMS Energy, including Consumers
Cash and cash equivalents		$	418		$	235
Restricted cash and cash equivalents			17			19
Other non-current assets			6			3
Cash and cash equivalents, including restricted amounts		$	441		$	257
Consumers
Cash and cash equivalents		$	343		$	131
Restricted cash and cash equivalents			17			19
Other non-current assets			4			2
Cash and cash equivalents, including restricted amounts		$	364		$	152

Schedule Of Restricted Cash Balances

In Millions
Six Months Ended June 30	2016
CMS Energy, including Consumers
Change in:
Net cash used in investing activities		$	(1)
Cash and cash equivalents, including restricted amounts, end of period			21
Consumers
Change in:
Net cash used in investing activities		$	(1)
Cash and cash equivalents, including restricted amounts, end of period			20