Consolidated Statements of Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Operating Revenue	$ 1,546	$ 1,599	$ 5,050	$ 5,044
Operating Expenses
Fuel for electric generation	130	150	391	397
Purchased power – related parties	19	21	53	59
Maintenance and other operating expenses	313	366	1,010	1,002
Depreciation and amortization	215	206	729	689
General taxes	70	67	247	222
Total operating expenses	1,195	1,305	4,122	4,132
Operating Income	351	294	928	912
Other Income (Expense)
Interest income	2	2	5	8
Allowance for equity funds used during construction	2	2	7	4
Income (loss) from equity method investees	5	(1)	6	6
Nonoperating retirement benefits, net	22	22	68	68
Other income	0	1	3	2
Other expense	0	(4)	(8)	(15)
Total other income	31	22	81	73
Interest Charges
Interest on long-term debt	111	101	327	304
Interest expense – related parties	3	0	6	0
Other interest expense	20	14	55	35
Allowance for borrowed funds used during construction	(1)	(1)	(3)	(2)
Total interest charges	133	114	385	337
Income Before Income Taxes	249	202	624	648
Income Tax Expense	42	33	110	98
Net Income	207	169	514	550
Income Attributable to Noncontrolling Interests	0	0	1	1
Net Income Available to Common Stockholders	$ 207	$ 169	$ 513	$ 549
Basic earnings per average common share (in dollars per share)	$ 0.73	$ 0.60	$ 1.81	$ 1.95
Diluted earnings per average common share (in dollars per share)	$ 0.73	$ 0.59	$ 1.81	$ 1.94
Consumers Energy Company
Operating Revenue	$ 1,429	$ 1,502	$ 4,706	$ 4,752
Operating Expenses
Fuel for electric generation	101	122	295	310
Purchased and interchange power	408	440	1,132	1,206
Purchased power – related parties	19	22	53	61
Cost of gas sold	32	45	537	530
Maintenance and other operating expenses	272	334	911	914
Depreciation and amortization	210	203	716	681
General taxes	68	65	240	216
Total operating expenses	1,110	1,231	3,884	3,918
Operating Income	319	271	822	834
Other Income (Expense)
Interest income	2	2	4	6
Interest and dividend income – related parties	1	1	3	1
Allowance for equity funds used during construction	2	2	7	4
Nonoperating retirement benefits, net	21	21	64	63
Other income	0	0	2	1
Other expense	0	(4)	(8)	(9)
Total other income	26	22	72	66
Interest Charges
Interest on long-term debt	69	69	206	203
Interest expense – related parties	3	0	6	0
Other interest expense	4	5	11	14
Allowance for borrowed funds used during construction	(1)	(1)	(3)	(2)
Total interest charges	75	73	220	215
Income Before Income Taxes	270	220	674	685
Income Tax Expense	57	40	137	111
Net Income	213	180	537	574
Preferred Stock Dividends	0	0	1	1
Net Income Available to Common Stockholder	213	180	536	573
Purchased and interchange power
Operating Expenses
Cost of sales	413	447	1,147	1,222
Cost of gas sold
Operating Expenses
Cost of sales	$ 35	$ 48	$ 545	$ 541