Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 102	$ 32
Restricted cash and cash equivalents	30	17
Accounts receivable and accrued revenue	713	853
Accounts receivable – related parties	17	19
Accrued gas revenue	5	0
Inventories at average cost
Gas in underground storage	556	353
Materials and supplies	173	155
Generating plant fuel stock	31	68
Deferred property taxes	215	332
Regulatory assets	11	42
Assets held for sale	494	429
Prepayments and other current assets	130	104
Total current assets	2,477	2,404
Plant, Property, and Equipment
Plant, property, and equipment, gross	29,450	27,870
Less accumulated depreciation and amortization	8,489	7,938
Plant, property, and equipment, net	20,961	19,932
Construction work in progress	973	1,085
Total plant, property, and equipment	21,934	21,017
Other Non‑current Assets
Regulatory assets	2,588	2,653
Accounts receivable	18	19
Investments	73	70
Assets held for sale	2,606	2,680
Other	817	823
Total other non‑current assets	6,102	6,245
Total Assets	30,513	29,666
Current Liabilities
Current portion of long-term debt, finance leases, and other financing	585	591
Accounts payable	787	661
Accounts payable – related parties	8	7
Accrued rate refunds	9	20
Accrued interest	112	104
Accrued taxes	146	454
Regulatory liabilities	191	151
Liabilities held for sale	1,233	953
Other current liabilities	183	133
Total current liabilities	3,254	3,074
Non‑current Liabilities
Long-term debt	12,027	11,744
Non-current portion of finance leases and other financing	48	56
Regulatory liabilities	3,758	3,744
Postretirement benefits	147	152
Asset retirement obligations	599	553
Deferred investment tax credit	113	115
Deferred income taxes	2,014	1,863
Liabilities held for sale	1,523	1,894
Other non‑current liabilities	377	394
Total non‑current liabilities	20,606	20,515
Commitments and Contingencies
Common stockholders’ equity
Common stock	3	3
Other paid-in capital	5,397	5,365
Accumulated other comprehensive loss	(81)	(86)
Retained earnings	547	214
Total common stockholders’ equity	5,866	5,496
Cumulative preferred stock	224	0
Total stockholders’ equity	6,090	5,496
Noncontrolling interests	563	581
Total equity	6,653	6,077
Total Liabilities and Equity	30,513	29,666
Consumers Energy Company
Current Assets
Cash and cash equivalents	29	20
Restricted cash and cash equivalents	26	15
Accounts receivable and accrued revenue	683	828
Accounts receivable – related parties	8	18
Accrued gas revenue	5	0
Inventories at average cost
Gas in underground storage	556	353
Materials and supplies	168	149
Generating plant fuel stock	31	67
Deferred property taxes	215	332
Regulatory assets	11	42
Prepayments and other current assets	112	68
Total current assets	1,844	1,892
Plant, Property, and Equipment
Plant, property, and equipment, gross	28,331	26,757
Less accumulated depreciation and amortization	8,367	7,844
Plant, property, and equipment, net	19,964	18,913
Construction work in progress	930	1,058
Total plant, property, and equipment	20,894	19,971
Other Non‑current Assets
Regulatory assets	2,588	2,653
Accounts receivable	24	25
Accounts and notes receivable – related parties	103	105
Other	736	753
Total other non‑current assets	3,451	3,536
Total Assets	26,189	25,399
Current Liabilities
Current portion of long-term debt, finance leases, and other financing	377	384
Notes payable – related parties	0	307
Accounts payable	745	636
Accounts payable – related parties	13	7
Accrued rate refunds	9	20
Accrued interest	80	72
Accrued taxes	158	458
Regulatory liabilities	191	151
Other current liabilities	128	104
Total current liabilities	1,701	2,139
Non‑current Liabilities
Long-term debt	8,028	7,742
Non-current portion of finance leases and other financing	48	56
Regulatory liabilities	3,758	3,744
Postretirement benefits	108	112
Asset retirement obligations	576	530
Deferred investment tax credit	113	115
Deferred income taxes	2,265	2,094
Other non‑current liabilities	318	311
Total non‑current liabilities	15,214	14,704
Commitments and Contingencies
Common stockholders’ equity
Common stock	841	841
Other paid-in capital	6,599	6,024
Accumulated other comprehensive loss	(34)	(36)
Retained earnings	1,831	1,690
Total common stockholders’ equity	9,237	8,519
Cumulative preferred stock	37	37
Total stockholders’ equity	9,274	8,556
Total equity	9,274	8,556
Total Liabilities and Equity	$ 26,189	$ 25,399