Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

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 2020			December 31 2019			September 30 2020			December 31 2019
Assets¹
Restricted cash equivalents		$	39		$	17		$	24		$	17
CMS Energy common stock		—			—			1			1
Nonqualified deferred compensation plan assets		20			18			16			14
Derivative instruments		2			1			2			1
Total		$	61		$	36		$	43		$	33
Liabilities¹
Nonqualified deferred compensation plan liabilities		$	20		$	18		$	16		$	14
Derivative instruments		20			8			1			—
Total		$	40		$	26		$	17		$	14

¹  All 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 2020			December 31 2019			September 30 2020			December 31 2019
Assets¹
Restricted cash equivalents		$	39		$	17		$	24		$	17
CMS Energy common stock		—			—			1			1
Nonqualified deferred compensation plan assets		20			18			16			14
Derivative instruments		2			1			2			1
Total		$	61		$	36		$	43		$	33
Liabilities¹
Nonqualified deferred compensation plan liabilities		$	20		$	18		$	16		$	14
Derivative instruments		20			8			1			—
Total		$	40		$	26		$	17		$	14

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