CMS Energy Corporation Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Operating Revenue	$ 1,920	$ 1,558	$ 4,294	$ 3,571
Operating Expenses
Fuel for electric generation	241	116	408	254
Purchased power – related parties	18	17	35	35
Maintenance and other operating expenses	392	355	726	666
Depreciation and amortization	242	244	587	582
General taxes	89	87	221	209
Total operating expenses	1,681	1,306	3,599	2,889
Operating Income	239	252	695	682
Other Income (Expense)
Interest income	1	1	2	2
Allowance for equity funds used during construction	1	2	3	3
Income from equity method investees	0	2	0	4
Non-operating retirement benefits, net	52	40	100	81
Other income	0	5	1	6
Other expense	(11)	(2)	(15)	(4)
Total other income	43	48	91	92
Interest Charges
Interest on long-term debt	122	120	243	239
Interest expense – related parties	3	3	6	6
Other interest expense	1	2	2	5
Allowance for borrowed funds used during construction	0	0	(1)	(1)
Total interest charges	126	125	250	249
Income Before Income Taxes	156	175	536	525
Income Tax Expense	14	22	53	64
Income From Continuing Operations	142	153	483	461
Income From Discontinued Operations, Net of Tax of $—, $7, $1, and $16	0	18	4	52
Net Income	142	171	487	513
Loss Attributable to Noncontrolling Interests	(6)	(5)	(14)	(12)
Net Income Attributable to CMS Energy	148	176	501	525
Preferred Stock Dividends	3	0	5	0
Net Income Available to Common Stockholders	$ 145	$ 176	$ 496	$ 525
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)	$ 0.50	$ 0.55	$ 1.70	$ 1.64
Basic earnings per average common share, income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0.06	0.01	0.18
Basic earnings per average common share (in dollars per share)	0.50	0.61	1.71	1.82
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)	0.50	0.55	1.70	1.64
Diluted earnings per average common share, income from discontinued operations per average common share available to common stockholders (in dollars per share)	0	0.06	0.01	0.18
Diluted earnings per average common share (in dollars per share)	$ 0.50	$ 0.61	$ 1.71	$ 1.82
Purchased and interchange power
Operating Expenses
Cost of goods and services sold	$ 483	$ 391	$ 938	$ 768
Cost of gas sold
Operating Expenses
Cost of goods and services sold	$ 216	$ 96	$ 684	$ 375