CMS Energy Corporation Consolidated Statements of Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Operating Revenue	$ 8,539	$ 7,515	$ 7,462
Operating Expenses
Fuel for electric generation	657	624	561
Purchased power – related parties	94	71	75
Maintenance and other operating expenses	1,727	1,638	1,687
Depreciation and amortization	1,306	1,240	1,180
General taxes	513	482	447
Total operating expenses	6,812	6,028	6,227
Operating Income	1,727	1,487	1,235
Other Income (Expense)
Non-operating retirement benefits, net	186	169	180
Other income	151	207	195
Other expense	(27)	(32)	(13)
Total other income	310	344	362
Interest Charges
Interest on long-term debt	798	700	616
Allowance for borrowed funds used during construction	(11)	(18)	(3)
Total interest charges	789	708	643
Income (Loss) Before Income Taxes	1,248	1,123	954
Income Tax Expense	246	176	147
Income (Loss) From Continuing Operations	1,002	947	807
Income From Discontinued Operations, Net of Tax of $— for all periods	0	0	1
Net Income	1,002	947	808
Loss Attributable to Noncontrolling Interests	(69)	(56)	(79)
Net Income	1,071	1,003	887
Preferred Stock Dividends	10	10	10
Net Income (Loss) Available to Common Stockholders	$ 1,061	$ 993	$ 877
Basic Earnings Per Average Common Share (in dollars per share)	$ 3.53	$ 3.34	$ 3.01
Diluted Earnings Per Average Common Share (in dollars per share)	$ 3.53	$ 3.33	$ 3.01
Related Party
Interest Charges
Other interest expense	$ 11	$ 12	$ 12
Nonrelated Party
Interest Charges
Other interest expense		14	18
Other interest expense	(9)
Purchased and interchange power
Operating Expenses
Cost of goods and services sold	1,706	1,333	1,375
Cost of gas sold
Operating Expenses
Cost of goods and services sold	$ 809	$ 640	$ 902