Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 312	$ 153
Restricted cash and cash equivalents	22	21
Accounts receivable and accrued revenue, less allowance of $20 in both periods	749	964
Notes receivable, less allowance of $28 in 2019 and $24 in 2018	249	233
Assets held for sale	40	0
Accounts receivable – related parties	15	14
Accrued gas revenue	10	16
Inventories at average cost
Gas in underground storage	353	450
Materials and supplies	147	143
Generating plant fuel stock	52	57
Deferred property taxes	204	279
Regulatory assets	18	37
Prepayments and other current assets	83	101
Total current assets	2,254	2,468
Plant, Property, and Equipment
Plant, property, and equipment, gross	24,263	24,400
Less accumulated depreciation and amortization	7,130	7,037
Plant, property, and equipment, net	17,133	17,363
Construction work in progress	973	763
Total plant, property, and equipment	18,106	18,126
Other Non-current Assets
Regulatory assets	2,344	1,743
Accounts and notes receivable	2,005	1,645
Investments	64	69
Other	519	478
Total other non-current assets	4,932	3,935
Total Assets	25,292	24,529
Current Liabilities
Current portion of long-term debt, finance leases, and other financing	1,077	996
Notes payable	0	97
Accounts payable	627	723
Accounts payable – related parties	9	10
Accrued rate refunds	34	4
Accrued interest	95	94
Accrued taxes	295	398
Regulatory liabilities	67	155
Other current liabilities	182	147
Total current liabilities	2,386	2,624
Non-current Liabilities
Long-term debt	11,236	10,615
Non-current portion of finance leases and other financing	86	69
Regulatory liabilities	3,786	3,681
Postretirement benefits	443	436
Asset retirement obligations	438	432
Deferred investment tax credit	117	99
Deferred income taxes	1,548	1,487
Other non-current liabilities	364	294
Total non-current liabilities	18,018	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	5,097	5,088
Accumulated other comprehensive loss	(67)	(65)
Accumulated deficit	(182)	(271)
Total common stockholders’ equity	4,851	4,755
Noncontrolling interests	37	37
Total equity	4,888	4,792
Total Liabilities and Equity	25,292	24,529
Consumers Energy Company
Current Assets
Cash and cash equivalents	196	39
Restricted cash and cash equivalents	16	17
Accounts receivable and accrued revenue, less allowance of $20 in both periods	653	855
Assets held for sale	40	0
Accounts receivable – related parties	8	15
Accrued gas revenue	10	16
Inventories at average cost
Gas in underground storage	353	450
Materials and supplies	142	137
Generating plant fuel stock	48	52
Deferred property taxes	204	279
Regulatory assets	18	37
Prepayments and other current assets	71	83
Total current assets	1,759	1,980
Plant, Property, and Equipment
Plant, property, and equipment, gross	23,833	23,963
Less accumulated depreciation and amortization	7,046	6,958
Plant, property, and equipment, net	16,787	17,005
Construction work in progress	960	756
Total plant, property, and equipment	17,747	17,761
Other Non-current Assets
Regulatory assets	2,344	1,743
Accounts and notes receivable	29	27
Accounts and notes receivable – related parties	103	104
Other	434	410
Total other non-current assets	2,910	2,284
Total Assets	22,416	22,025
Current Liabilities
Current portion of long-term debt, finance leases, and other financing	47	48
Notes payable	0	97
Accounts payable	595	685
Accounts payable – related parties	16	14
Accrued rate refunds	34	4
Accrued interest	58	59
Accrued taxes	298	436
Regulatory liabilities	67	155
Other current liabilities	142	120
Total current liabilities	1,257	1,618
Non-current Liabilities
Long-term debt	6,546	6,779
Non-current portion of finance leases and other financing	86	69
Regulatory liabilities	3,786	3,681
Postretirement benefits	400	392
Asset retirement obligations	435	428
Deferred investment tax credit	117	99
Deferred income taxes	1,851	1,809
Other non-current liabilities	291	230
Total non-current liabilities	13,512	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	1,415	1,364
Total common stockholders’ equity	7,610	6,883
Preferred stock	37	37
Total equity	7,647	6,920
Total Liabilities and Equity	$ 22,416	$ 22,025