Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 403	$ 153
Restricted cash and cash equivalents	29	21
Accounts receivable and accrued revenue, less allowance of $21 in 2019 and $20 in 2018	641	964
Notes receivable, less allowance of $33 in 2019 and $24 in 2018	234	233
Accounts receivable – related parties	16	14
Accrued gas revenue	6	16
Inventories at average cost
Gas in underground storage	505	450
Materials and supplies	142	143
Generating plant fuel stock	52	57
Deferred property taxes	184	279
Regulatory assets	7	37
Prepayments and other current assets	86	101
Total current assets	2,305	2,468
Plant, Property, and Equipment
Plant, property, and equipment, gross	24,645	24,400
Less accumulated depreciation and amortization	7,264	7,037
Plant, property, and equipment, net	17,381	17,363
Construction work in progress	1,143	763
Total plant, property, and equipment	18,524	18,126
Other Non-current Assets
Regulatory assets	2,367	1,743
Accounts and notes receivable	2,253	1,645
Investments	68	69
Other	492	478
Total other non-current assets	5,180	3,935
Total Assets	26,009	24,529
Current Liabilities
Current portion of long-term debt, finance leases, and other financing	1,074	996
Notes payable	0	97
Accounts payable	598	723
Accounts payable – related parties	9	10
Accrued rate refunds	18	4
Accrued interest	99	94
Accrued taxes	125	398
Regulatory liabilities	72	155
Other current liabilities	170	147
Total current liabilities	2,165	2,624
Non-current Liabilities
Long-term debt	12,040	10,615
Non-current portion of finance leases and other financing	81	69
Regulatory liabilities	3,754	3,681
Postretirement benefits	447	436
Asset retirement obligations	451	432
Deferred investment tax credit	116	99
Deferred income taxes	1,588	1,487
Other non-current liabilities	373	294
Total non-current liabilities	18,850	17,113
Commitments and contingencies
Common stockholders’ equity
Common stock, authorized 350.0 shares; outstanding 283.8 shares in 2019 and 283.4 shares in 2018	3	3
Other paid-in capital	5,104	5,088
Accumulated other comprehensive loss	(67)	(65)
Accumulated deficit	(83)	(271)
Total common stockholders’ equity	4,957	4,755
Noncontrolling interests	37	37
Total equity	4,994	4,792
Total Liabilities and Equity	26,009	24,529
Consumers Energy Company
Current Assets
Cash and cash equivalents	259	39
Restricted cash and cash equivalents	25	17
Accounts receivable and accrued revenue, less allowance of $21 in 2019 and $20 in 2018	611	855
Accounts receivable – related parties	8	15
Accrued gas revenue	6	16
Inventories at average cost
Gas in underground storage	505	450
Materials and supplies	137	137
Generating plant fuel stock	49	52
Deferred property taxes	184	279
Regulatory assets	7	37
Prepayments and other current assets	74	83
Total current assets	1,865	1,980
Plant, Property, and Equipment
Plant, property, and equipment, gross	24,214	23,963
Less accumulated depreciation and amortization	7,175	6,958
Plant, property, and equipment, net	17,039	17,005
Construction work in progress	1,129	756
Total plant, property, and equipment	18,168	17,761
Other Non-current Assets
Regulatory assets	2,367	1,743
Accounts and notes receivable	29	27
Accounts and notes receivable – related parties	102	104
Other	407	410
Total other non-current assets	2,905	2,284
Total Assets	22,938	22,025
Current Liabilities
Current portion of long-term debt, finance leases, and other financing	122	48
Notes payable	0	97
Accounts payable	569	685
Accounts payable – related parties	14	14
Accrued rate refunds	18	4
Accrued interest	76	59
Accrued taxes	158	436
Regulatory liabilities	72	155
Other current liabilities	127	120
Total current liabilities	1,156	1,618
Non-current Liabilities
Long-term debt	7,087	6,779
Non-current portion of finance leases and other financing	81	69
Regulatory liabilities	3,754	3,681
Postretirement benefits	404	392
Asset retirement obligations	448	428
Deferred investment tax credit	116	99
Deferred income taxes	1,858	1,809
Other non-current liabilities	298	230
Total non-current liabilities	14,046	13,487
Commitments and contingencies
Common stockholders’ equity
Common stock, authorized 350.0 shares; outstanding 283.8 shares in 2019 and 283.4 shares in 2018	841	841
Other paid-in capital	5,374	4,699
Accumulated other comprehensive loss	(20)	(21)
Accumulated deficit	1,504	1,364
Total common stockholders’ equity	7,699	6,883
Cumulative preferred stock, $4.50 series	37	37
Total equity	7,736	6,920
Total Liabilities and Equity	$ 22,938	$ 22,025