Consumers Energy Company Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net Income	$ 165	$ 189	$ 666	$ 714
Retirement Benefits Liability
Amortization of net actuarial loss, net of tax	1	1	3	5
Other Comprehensive Income	0	1	7	5
Comprehensive Income Attributable to CMS Energy	165	190	673	719
Consumers Energy Company
Net Income	189	186	745	712
Retirement Benefits Liability
Amortization of net actuarial loss, net of tax	1	1	2	2
Other Comprehensive Income	1	1	2	2
Comprehensive Income Attributable to CMS Energy	$ 190	$ 187	$ 747	$ 714