Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2023

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 2023			December 31 2022			September 30 2023			December 31 2022
Assets1
Cash equivalents		$	8		$	—		$	—		$	—
Restricted cash equivalents		27			18			27			17
Nonqualified deferred compensation plan assets		27			24			20			18
Derivative instruments		3			2			3			2
Total assets		$	65		$	44		$	50		$	37
Liabilities1
Nonqualified deferred compensation plan liabilities		$	27		$	24		$	20		$	18
Total liabilities		$	27		$	24		$	20		$	18

1All assets and liabilities were classified as Level 1 with the exception of derivative contracts, which were classified as 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 2023			December 31 2022			September 30 2023			December 31 2022
Assets1
Cash equivalents		$	8		$	—		$	—		$	—
Restricted cash equivalents		27			18			27			17
Nonqualified deferred compensation plan assets		27			24			20			18
Derivative instruments		3			2			3			2
Total assets		$	65		$	44		$	50		$	37
Liabilities1
Nonqualified deferred compensation plan liabilities		$	27		$	24		$	20		$	18
Total liabilities		$	27		$	24		$	20		$	18

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