Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2021

Financial Instruments [Line Items]

Schedule Of Carrying Amounts And Fair Values Of Financial Instruments

For information about assets and liabilities recorded at fair value and for additional details regarding the fair value hierarchy, see Note 5, Fair Value Measurements.

In Millions
	December 31, 2021															December 31, 2020
	Carrying Amount			Fair Value												Carrying Amount			Fair Value
				Total			Level												Total			Level
							1			2			3									1			2			3
CMS Energy, including Consumers
Assets
Long-term receivables1		$	14		$	14		$	—		$	—		$	14		$	17		$	17		$	—		$	—		$	17
Liabilities
Long-term debt2		12,419			13,800			1,189			10,656			1,955			12,315			14,601			1,249			11,267			2,085
Long-term payables3		31			32			—			—			32			33			35			—			—			35
Consumers
Assets
Long-term receivables1		$	14		$	14		$	—		$	—		$	14		$	17		$	17		$	—		$	—		$	17
Notes receivable – related party4		104			104			—			—			104			107			107			—			—			107
Liabilities
Long-term debt5		8,415			9,410			—			7,455			1,955			8,106			9,801			—			7,716			2,085

1Includes current portion of long-term accounts receivable of $9 million at December 31, 2021 and $12 million at December 31, 2020.

2Includes current portion of long-term debt of $373 million at December 31, 2021 and $571 million at December 31, 2020.

3Includes current portion of long-term payables of $23 million at December 31, 2021 and $6 million at December 31, 2020.

4Includes current portion of notes receivable – related party of $7 million at December 31, 2021 and 2020.

5Includes current portion of long-term debt of $365 million at December 31, 2021 and $364 million at December 31, 2020.

Consumers Energy Company

Financial Instruments [Line Items]

Schedule Of Carrying Amounts And Fair Values Of Financial Instruments

For information about assets and liabilities recorded at fair value and for additional details regarding the fair value hierarchy, see Note 5, Fair Value Measurements.

In Millions
	December 31, 2021															December 31, 2020
	Carrying Amount			Fair Value												Carrying Amount			Fair Value
				Total			Level												Total			Level
							1			2			3									1			2			3
CMS Energy, including Consumers
Assets
Long-term receivables1		$	14		$	14		$	—		$	—		$	14		$	17		$	17		$	—		$	—		$	17
Liabilities
Long-term debt2		12,419			13,800			1,189			10,656			1,955			12,315			14,601			1,249			11,267			2,085
Long-term payables3		31			32			—			—			32			33			35			—			—			35
Consumers
Assets
Long-term receivables1		$	14		$	14		$	—		$	—		$	14		$	17		$	17		$	—		$	—		$	17
Notes receivable – related party4		104			104			—			—			104			107			107			—			—			107
Liabilities
Long-term debt5		8,415			9,410			—			7,455			1,955			8,106			9,801			—			7,716			2,085

1Includes current portion of long-term accounts receivable of $9 million at December 31, 2021 and $12 million at December 31, 2020.

2Includes current portion of long-term debt of $373 million at December 31, 2021 and $571 million at December 31, 2020.

3Includes current portion of long-term payables of $23 million at December 31, 2021 and $6 million at December 31, 2020.

4Includes current portion of notes receivable – related party of $7 million at December 31, 2021 and 2020.

5Includes current portion of long-term debt of $365 million at December 31, 2021 and $364 million at December 31, 2020.