Consumers Energy Company Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Operating Revenue	$ 1,555	$ 1,920	$ 3,839	$ 4,294
Operating Expenses
Operating Income	244	239	558	695
Other Income (Expense)
Non-operating retirement benefits, net	45	52	90	100
Other income	103	2	118	6
Other expense	(2)	(11)	(6)	(15)
Total other income	146	43	202	91
Interest Charges
Interest on long-term debt	152	122	296	243
Allowance for borrowed funds used during construction	(1)	0	(1)	(1)
Total interest charges	160	126	307	250
Income Before Income Taxes	230	156	453	536
Income Tax Expense	41	14	70	53
Net Income Attributable to CMS Energy	198	148	402	501
Preferred Stock Dividends	3	3	5	5
Net Income Available to Common Stockholders	195	145	397	496
Related Party
Interest Charges
Other interest expense	3	3	6	6
Nonrelated Party
Interest Charges
Other interest expense	6	1	6	2
Consumers Energy Company
Operating Revenue	1,485	1,802	3,695	4,085
Operating Expenses
Fuel for electric generation	85	173	183	297
Purchased and interchange power	326	468	660	905
Purchased power – related parties	17	18	36	35
Cost of gas sold	83	213	629	678
Maintenance and other operating expenses	380	370	789	683
Depreciation and amortization	245	233	589	569
General taxes	94	86	233	215
Total operating expenses	1,230	1,561	3,119	3,382
Operating Income	255	241	576	703
Other Income (Expense)
Non-operating retirement benefits, net	42	49	85	94
Other income	15	4	27	8
Other expense	(1)	(11)	(5)	(14)
Total other income	56	42	107	88
Interest Charges
Interest on long-term debt	101	75	200	150
Allowance for borrowed funds used during construction	(1)	0	(1)	(1)
Total interest charges	110	78	212	156
Income Before Income Taxes	201	205	471	635
Income Tax Expense	34	32	72	79
Net Income Attributable to CMS Energy	167	173	399	556
Preferred Stock Dividends	1	1	1	1
Net Income Available to Common Stockholders	166	172	398	555
Consumers Energy Company | Related Party
Interest Charges
Other interest expense	4	3	7	6
Consumers Energy Company | Nonrelated Party
Interest Charges
Other interest expense	$ 6	$ 0	$ 6	$ 1