Consumers Energy Company 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
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
Net Income	1,003	887	837
Preferred Stock Dividends	10	10	10
Net Income (Loss) Available to Common Stockholders	993	877	827
Related Party
Interest Charges
Other interest expense	12	12	12
Nonrelated Party
Interest Charges
Other interest expense	14	18	0
Consumers Energy Company
Operating Revenue	7,200	7,166	8,151
Operating Expenses
Fuel for electric generation	511	435	662
Purchased and interchange power	1,285	1,331	1,867
Purchased power – related parties	71	75	76
Cost of gas sold	637	897	1,243
Maintenance and other operating expenses	1,520	1,586	1,582
Depreciation and amortization	1,191	1,137	1,088
General taxes	470	437	400
Total operating expenses	5,685	5,898	6,918
Operating Income	1,515	1,268	1,233
Other Income (Expense)
Non-operating retirement benefits, net	157	171	195
Other income	85	49	17
Other expense	(30)	(12)	(25)
Total other income	212	208	187
Interest Charges
Interest on long-term debt	488	415	325
Allowance for borrowed funds used during construction	(13)	(3)	(2)
Total interest charges	518	448	335
Income (Loss) Before Income Taxes	1,209	1,028	1,085
Income Tax Expense	200	161	140
Net Income	1,009	867	945
Preferred Stock Dividends	2	2	2
Net Income (Loss) Available to Common Stockholders	1,007	865	943
Consumers Energy Company | Related Party
Interest Charges
Other interest expense	31	20	12
Consumers Energy Company | Nonrelated Party
Interest Charges
Other interest expense	$ 12	$ 16	$ 0