CMS Energy Corporation Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 157	$ 164
Restricted cash and cash equivalents	27	18
Inventories at average cost
Gas in underground storage	725	840
Materials and supplies	255	212
Generating plant fuel stock	80	65
Deferred property taxes	255	384
Regulatory assets	169	57
Prepayments and other current assets	91	113
Total current assets	2,449	3,433
Plant, Property, and Equipment
Plant, property, and equipment, gross	31,997	30,491
Less accumulated depreciation and amortization	8,929	8,960
Plant, property, and equipment, net	23,068	21,531
Construction work in progress	1,626	1,182
Total plant, property, and equipment	24,694	22,713
Other Non‑current Assets
Regulatory assets	3,793	3,595
Accounts receivable	30	23
Investments	74	71
Postretirement benefits	1,307	1,208
Other	166	310
Total other non‑current assets	5,370	5,207
Total Assets	32,513	31,353
Current Liabilities
Current portion of long-term debt and finance leases	1,043	1,099
Notes payable	247	20
Accrued rate refunds	29	0
Accrued interest	157	122
Accrued taxes	159	538
Regulatory liabilities	75	104
Other current liabilities	163	166
Total current liabilities	2,719	2,985
Non‑current Liabilities
Long-term debt	14,114	13,122
Non-current portion of finance leases	63	68
Regulatory liabilities	3,889	3,796
Postretirement benefits	105	108
Asset retirement obligations	768	746
Deferred investment tax credit	127	129
Deferred income taxes	2,541	2,407
Other non‑current liabilities	429	397
Total non‑current liabilities	22,036	20,773
Commitments and Contingencies
Common stockholders’ equity
Common stock	3	3
Other paid-in capital	5,515	5,490
Accumulated other comprehensive loss	(51)	(52)
Retained earnings	1,495	1,350
Total common stockholders’ equity	6,962	6,791
Cumulative preferred stock	224	224
Total stockholders’ equity	7,186	7,015
Noncontrolling interests	572	580
Total equity	7,758	7,595
Total Liabilities and Equity	32,513	31,353
Nonrelated Party
Current Assets
Accounts receivable and accrued revenue, less allowance of $26 in 2023 and $27 in 2022	681	1,564
Current Liabilities
Accounts payable	839	928
Related Party
Current Assets
Accounts receivable – related parties	9	16
Current Liabilities
Accounts payable	$ 7	$ 8