Consumers Energy Company Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Net Income	$ 198	$ 148	$ 402	$ 501
Retirement Benefits Liability
Amortization of net actuarial loss, net of tax	1	1	1	2
Other Comprehensive Income	0	2	1	7
Comprehensive Income Attributable to CMS Energy	198	150	403	508
Consumers Energy Company
Net Income	167	173	399	556
Retirement Benefits Liability
Amortization of net actuarial loss, net of tax	0	0	0	1
Other Comprehensive Income	0	0	0	1
Comprehensive Income Attributable to CMS Energy	$ 167	$ 173	$ 399	$ 557