Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 153	$ 32
Restricted cash and cash equivalents	18	17
Accounts receivable and accrued revenue	745	853
Accounts receivable – related parties	16	19
Inventories at average cost
Gas in underground storage	318	353
Materials and supplies	172	155
Generating plant fuel stock	49	68
Deferred property taxes	243	332
Regulatory assets	21	42
Assets held for sale	448	429
Prepayments and other current assets	139	104
Total current assets	2,322	2,404
Plant, Property, and Equipment
Plant, property, and equipment, gross	29,027	27,870
Less accumulated depreciation and amortization	8,326	7,938
Plant, property, and equipment, net	20,701	19,932
Construction work in progress	832	1,085
Total plant, property, and equipment	21,533	21,017
Other Non‑current Assets
Regulatory assets	2,606	2,653
Accounts receivable	18	19
Investments	71	70
Assets held for sale	2,584	2,680
Other	819	823
Total other non‑current assets	6,098	6,245
Total Assets	29,953	29,666
Current Liabilities
Current portion of long-term debt, finance leases, and other financing	589	591
Accounts payable	659	661
Accounts payable – related parties	7	7
Accrued rate refunds	21	20
Accrued interest	103	104
Accrued taxes	357	454
Regulatory liabilities	214	151
Liabilities held for sale	990	953
Other current liabilities	174	133
Total current liabilities	3,114	3,074
Non‑current Liabilities
Long-term debt	11,728	11,744
Non-current portion of finance leases and other financing	50	56
Regulatory liabilities	3,761	3,744
Postretirement benefits	149	152
Asset retirement obligations	607	553
Deferred investment tax credit	113	115
Deferred income taxes	1,966	1,863
Liabilities held for sale	1,717	1,894
Other non‑current liabilities	382	394
Total non‑current liabilities	20,473	20,515
Commitments and Contingencies
Common stockholders’ equity
Common stock	3	3
Other paid-in capital	5,389	5,365
Accumulated other comprehensive loss	(82)	(86)
Retained earnings	487	214
Total common stockholders’ equity	5,797	5,496
Noncontrolling interests	569	581
Total equity	6,366	6,077
Total Liabilities and Equity	29,953	29,666
Consumers Energy Company
Current Assets
Cash and cash equivalents	52	20
Restricted cash and cash equivalents	16	15
Accounts receivable and accrued revenue	718	828
Accounts receivable – related parties	11	18
Inventories at average cost
Gas in underground storage	318	353
Materials and supplies	166	149
Generating plant fuel stock	49	67
Deferred property taxes	243	332
Regulatory assets	21	42
Prepayments and other current assets	125	68
Total current assets	1,719	1,892
Plant, Property, and Equipment
Plant, property, and equipment, gross	27,910	26,757
Less accumulated depreciation and amortization	8,214	7,844
Plant, property, and equipment, net	19,696	18,913
Construction work in progress	791	1,058
Total plant, property, and equipment	20,487	19,971
Other Non‑current Assets
Regulatory assets	2,606	2,653
Accounts receivable	24	25
Accounts and notes receivable – related parties	104	105
Other	740	753
Total other non‑current assets	3,474	3,536
Total Assets	25,680	25,399
Current Liabilities
Current portion of long-term debt, finance leases, and other financing	381	384
Notes payable – related parties	0	307
Accounts payable	630	636
Accounts payable – related parties	13	7
Accrued rate refunds	21	20
Accrued interest	72	72
Accrued taxes	369	458
Regulatory liabilities	214	151
Other current liabilities	122	104
Total current liabilities	1,822	2,139
Non‑current Liabilities
Long-term debt	7,730	7,742
Non-current portion of finance leases and other financing	50	56
Regulatory liabilities	3,761	3,744
Postretirement benefits	110	112
Asset retirement obligations	584	530
Deferred investment tax credit	113	115
Deferred income taxes	2,213	2,094
Other non‑current liabilities	320	311
Total non‑current liabilities	14,881	14,704
Commitments and Contingencies
Common stockholders’ equity
Common stock	841	841
Other paid-in capital	6,299	6,024
Accumulated other comprehensive loss	(35)	(36)
Retained earnings	1,835	1,690
Total common stockholders’ equity	8,940	8,519
Cumulative preferred stock, $4.50 series, authorized 7.5 shares; outstanding 0.4 shares in both periods	37	37
Total equity	8,977	8,556
Total Liabilities and Equity	$ 25,680	$ 25,399