CMS Energy Corporation Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating Revenue	$ 1,673	$ 2,024	$ 5,512	$ 6,318
Operating Expenses
Fuel for electric generation	162	312	409	720
Purchased power – related parties	21	21	57	56
Maintenance and other operating expenses	447	413	1,284	1,139
Depreciation and amortization	262	243	870	830
General taxes	91	87	330	308
Total operating expenses	1,402	1,766	4,683	5,365
Operating Income	271	258	829	953
Other Income (Expense)
Non-operating retirement benefits, net	45	54	135	154
Other income	34	5	152	11
Other expense	(2)	(5)	(8)	(20)
Total other income	77	54	279	145
Interest Charges
Interest on long-term debt	158	127	454	370
Allowance for borrowed funds used during construction	(1)	0	(2)	(1)
Total interest charges	164	130	471	380
Income Before Income Taxes	184	182	637	718
Income Tax Expense	11	19	81	72
Income From Continuing Operations	173	163	556	646
Income From Discontinued Operations, Net of Tax of $—, $—, $—, and $1	0	0	1	4
Net Income	173	163	557	650
Loss Attributable to Noncontrolling Interests	(3)	(2)	(21)	(16)
Net Income Attributable to CMS Energy	176	165	578	666
Preferred Stock Dividends	2	2	7	7
Net Income Available to Common Stockholders	$ 174	$ 163	$ 571	$ 659
Basic Earnings Per Average Common Share
Basic earnings per average common share, income from continuing operations per average common share available to common stockholders (in dollars per share)	$ 0.60	$ 0.56	$ 1.96	$ 2.26
Basic earnings per average common share, income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0	0	0.01
Basic earnings per average common share (in dollars per share)	0.60	0.56	1.96	2.27
Diluted Earnings Per Average Common Share
Diluted earnings per average common share, income from continuing operations per average common share available to common stockholders (in dollars per share)	0.60	0.56	1.96	2.26
Diluted earnings per average common share, income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0	0	0.01
Diluted earnings per average common share (in dollars per share)	$ 0.60	$ 0.56	$ 1.96	$ 2.27
Related Party
Interest Charges
Other interest expense	$ 3	$ 3	$ 9	$ 9
Nonrelated Party
Interest Charges
Other interest expense	4	0	10	2
Purchased and interchange power
Operating Expenses
Cost of goods and services sold	377	572	1,060	1,510
Cost of gas sold
Operating Expenses
Cost of goods and services sold	$ 42	$ 118	$ 673	$ 802