Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets And Liabilities Measured At Fair Value On A Recurring Basis

Presented in the following table are CMS Energy’s and Consumers’ assets and liabilities recorded at fair value on a recurring basis:

In Millions
	CMS Energy, including Consumers						Consumers
	September 30 2021			December 31 2020			September 30 2021			December 31 2020
Assets1
Restricted cash equivalents		$	30		$	17		$	26		$	15
Nonqualified deferred compensation plan assets		25			23			20			18
Derivative instruments		2			1			2			1
Total assets		$	57		$	41		$	48		$	34
Liabilities1
Nonqualified deferred compensation plan liabilities		$	25		$	23		$	20		$	18
Derivative instruments		9			11			—			—
Total liabilities		$	34		$	34		$	20		$	18

1All assets and liabilities were classified as Level 1 with the exception of derivative contracts, which were classified as Level 2 or Level 3.

Consumers Energy Company

Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]

Assets And Liabilities Measured At Fair Value On A Recurring Basis

Presented in the following table are CMS Energy’s and Consumers’ assets and liabilities recorded at fair value on a recurring basis:

In Millions
	CMS Energy, including Consumers						Consumers
	September 30 2021			December 31 2020			September 30 2021			December 31 2020
Assets1
Restricted cash equivalents		$	30		$	17		$	26		$	15
Nonqualified deferred compensation plan assets		25			23			20			18
Derivative instruments		2			1			2			1
Total assets		$	57		$	41		$	48		$	34
Liabilities1
Nonqualified deferred compensation plan liabilities		$	25		$	23		$	20		$	18
Derivative instruments		9			11			—			—
Total liabilities		$	34		$	34		$	20		$	18

1All assets and liabilities were classified as Level 1 with the exception of derivative contracts, which were classified as Level 2 or Level 3.