Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Operating Revenue	$ 1,575	$ 1,546	$ 4,882	$ 5,050
Operating Expenses
Fuel for electric generation	108	130	274	391
Purchased power – related parties	13	19	45	53
Maintenance and other operating expenses	317	313	983	1,010
Depreciation and amortization	228	215	767	729
General taxes	75	70	264	247
Total operating expenses	1,206	1,195	3,872	4,122
Operating Income	369	351	1,010	928
Other Income (Expense)
Interest income	1	2	3	5
Interest and dividend income – related parties	0	0	7	0
Allowance for equity funds used during construction	1	2	4	7
Income from equity method investees	0	5	1	6
Nonoperating retirement benefits, net	29	22	90	68
Other income	1	0	3	3
Other expense	(4)	0	(9)	(8)
Total other income	28	31	99	81
Interest Charges
Interest on long-term debt	124	111	361	327
Interest expense – related parties	3	3	9	6
Other interest expense	17	20	53	55
Allowance for borrowed funds used during construction	(1)	(1)	(2)	(3)
Total interest charges	143	133	421	385
Income Before Income Taxes	254	249	688	624
Income Tax Expense	44	42	98	110
Net Income	210	207	590	514
Income (Loss) Attributable to Noncontrolling Interests	(8)	0	(7)	1
Net Income Available to Common Stockholders	$ 218	$ 207	$ 597	$ 513
Basic earnings per average common share (in dollars per share)	$ 0.76	$ 0.73	$ 2.10	$ 1.81
Diluted earnings per average common share (in dollars per share)	$ 0.76	$ 0.73	$ 2.09	$ 1.81
Consumers Energy Company
Operating Revenue	$ 1,450	$ 1,429	$ 4,524	$ 4,706
Operating Expenses
Fuel for electric generation	85	101	207	295
Purchased and interchange power	420	408	1,121	1,132
Purchased power – related parties	13	19	45	53
Cost of gas sold	33	32	383	537
Maintenance and other operating expenses	266	272	846	911
Depreciation and amortization	223	210	753	716
General taxes	72	68	256	240
Total operating expenses	1,112	1,110	3,611	3,884
Operating Income	338	319	913	822
Other Income (Expense)
Interest income	1	2	3	4
Interest and dividend income – related parties	2	1	4	3
Allowance for equity funds used during construction	1	2	4	7
Nonoperating retirement benefits, net	28	21	85	64
Other income	1	0	3	2
Other expense	(4)	0	(9)	(8)
Total other income	29	26	90	72
Interest Charges
Interest on long-term debt	76	69	227	206
Interest expense – related parties	3	3	9	6
Other interest expense	4	4	9	11
Allowance for borrowed funds used during construction	(1)	(1)	(2)	(3)
Total interest charges	82	75	243	220
Income Before Income Taxes	285	270	760	674
Income Tax Expense	55	57	135	137
Net Income	230	213	625	537
Preferred Stock Dividends	0	0	1	1
Net Income Available to Common Stockholder	230	213	624	536
Purchased and interchange power
Operating Expenses
Cost of sales	430	413	1,149	1,147
Cost of gas sold
Operating Expenses
Cost of sales	$ 35	$ 35	$ 390	$ 545