CMS Energy Corporation Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Revenue	$ 7,462	$ 8,596	$ 7,329
Operating Expenses
Fuel for electric generation	561	905	593
Purchased power – related parties	75	76	77
Maintenance and other operating expenses	1,687	1,669	1,610
Depreciation and amortization	1,180	1,126	1,114
General taxes	447	412	389
Total operating expenses	6,227	7,372	6,183
Operating Income	1,235	1,224	1,146
Other Income (Expense)
Non-operating retirement benefits, net	180	205	165
Other income	195	19	30
Other expense	(13)	(27)	(18)
Total other income	362	197	177
Interest Charges
Interest on long-term debt	616	509	481
Allowance for borrowed funds used during construction	(3)	(2)	(3)
Total interest charges	643	519	500
Income Before Income Taxes	954	902	823
Income Tax Expense	147	93	95
Income From Continuing Operations	807	809	728
Income From Discontinued Operations, Net of Tax of $—, $1, and $170	1	4	602
Net Income	808	813	1,330
Loss Attributable to Noncontrolling Interests	(79)	(24)	(23)
Net Income	887	837	1,353
Preferred Stock Dividends	10	10	5
Net Income Available to Common Stockholders	$ 877	$ 827	$ 1,348
Basic Earnings Per Average Common Share
Income from continuing operations per average common share available to common stockholders (in dollars per share)	$ 3.01	$ 2.84	$ 2.58
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0.01	2.08
Basic earnings per average common share (in dollars per share)	3.01	2.85	4.66
Diluted Earnings Per Average Common Share
Income from continuing operations per average common share available to common stockholders (in dollars per share)	3.01	2.84	2.58
Income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0.01	2.08
Diluted earnings per average common share (in dollars per share)	$ 3.01	$ 2.85	$ 4.66
Related Party
Interest Charges
Other interest expense	$ 12	$ 12	$ 12
Nonrelated Party
Interest Charges
Other interest expense	18	0	10
Purchased and interchange power
Operating Expenses
Cost of goods and services sold	1,375	1,928	1,665
Cost of gas sold
Operating Expenses
Cost of goods and services sold	$ 902	$ 1,256	$ 735