CMS Energy Corporation Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating Revenue	$ 2,284	$ 2,374
Operating Expenses
Fuel for electric generation	137	167
Purchased power – related parties	19	17
Maintenance and other operating expenses	431	334
Depreciation and amortization	353	345
General taxes	142	132
Total operating expenses	1,970	1,918
Operating Income	314	456
Other Income (Expense)
Non-operating retirement benefits, net	45	48
Other income	15	4
Other expense	(4)	(4)
Total other income	56	48
Interest Charges
Interest on long-term debt	144	121
Interest expense – related parties	3	3
Other interest expense	0	1
Allowance for borrowed funds used during construction	0	(1)
Total interest charges	147	124
Income Before Income Taxes	223	380
Income Tax Expense	29	39
Income From Continuing Operations	194	341
Income From Discontinued Operations, Net of Tax of $— and $1	0	4
Net Income	194	345
Loss Attributable to Noncontrolling Interests	(10)	(8)
Net Income Attributable to CMS Energy	204	353
Preferred Stock Dividends	2	2
Net Income Available to Common Stockholders	$ 202	$ 351
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)	$ 0.69	$ 1.20
Basic earnings per average common share, income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0.01
Basic earnings per average common share (in dollars per share)	0.69	1.21
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)	0.69	1.20
Diluted earnings per average common share, income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0.01
Diluted earnings per average common share (in dollars per share)	$ 0.69	$ 1.21
Purchased and interchange power
Operating Expenses
Cost of goods and services sold	$ 341	$ 455
Cost of gas sold
Operating Expenses
Cost of goods and services sold	$ 547	$ 468