CMS Energy Corporation Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Operating Revenue	$ 7,515	$ 7,462	$ 8,596
Operating Expenses
Fuel for electric generation	624	561	905
Purchased power – related parties	71	75	76
Maintenance and other operating expenses	1,638	1,687	1,669
Depreciation and amortization	1,240	1,180	1,126
General taxes	482	447	412
Total operating expenses	6,028	6,227	7,372
Operating Income	1,487	1,235	1,224
Other Income (Expense)
Non-operating retirement benefits, net	169	180	205
Other income	207	195	19
Other expense	(32)	(13)	(27)
Total other income	344	362	197
Interest Charges
Interest on long-term debt	700	616	509
Allowance for borrowed funds used during construction	(18)	(3)	(2)
Total interest charges	708	643	519
Income (Loss) Before Income Taxes	1,123	954	902
Income Tax Expense	176	147	93
Income (Loss) From Continuing Operations	947	807	809
Income From Discontinued Operations, Net of Tax of $—, $—, and $1	0	1	4
Net Income	947	808	813
Loss Attributable to Noncontrolling Interests	(56)	(79)	(24)
Net Income	1,003	887	837
Preferred Stock Dividends	10	10	10
Net Income (Loss) Available to Common Stockholders	$ 993	$ 877	$ 827
Basic Earnings Per Average Common Share
Income from continuing operations per average common share available to common stockholders (in dollars per share)	$ 3.34	$ 3.01	$ 2.84
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0	0.01
Basic earnings per average common share (in dollars per share)	3.34	3.01	2.85
Diluted Earnings Per Average Common Share
Income from continuing operations per average common share available to common stockholders (in dollars per share)	3.33	3.01	2.84
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0	0.01
Diluted earnings per average common share (in dollars per share)	$ 3.33	$ 3.01	$ 2.85
Related Party
Interest Charges
Other interest expense	$ 12	$ 12	$ 12
Nonrelated Party
Interest Charges
Other interest expense	14	18	0
Purchased and interchange power
Operating Expenses
Cost of goods and services sold	1,333	1,375	1,928
Cost of gas sold
Operating Expenses
Cost of goods and services sold	$ 640	$ 902	$ 1,256