CMS Energy Corporation Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 227	$ 164
Restricted cash and cash equivalents	21	18
Inventories at average cost
Gas in underground storage	587	840
Materials and supplies	267	212
Generating plant fuel stock	84	65
Deferred property taxes	426	384
Regulatory assets	203	57
Prepayments and other current assets	80	113
Total current assets	2,839	3,433
Plant, Property, and Equipment
Plant, property, and equipment, gross	33,135	30,491
Less accumulated depreciation and amortization	9,007	8,960
Plant, property, and equipment, net	24,128	21,531
Construction work in progress	944	1,182
Total plant, property, and equipment	25,072	22,713
Other Non‑current Assets
Regulatory assets	3,683	3,595
Accounts receivable	22	23
Investments	76	71
Postretirement benefits	1,468	1,208
Other	357	310
Total other non‑current assets	5,606	5,207
Total Assets	33,517	31,353
Current Liabilities
Current portion of long-term debt and finance leases	980	1,099
Notes payable	93	20
Accrued rate refunds	54	0
Accrued interest	142	122
Accrued taxes	612	538
Regulatory liabilities	56	104
Other current liabilities	149	166
Total current liabilities	2,895	2,985
Non‑current Liabilities
Long-term debt	14,508	13,122
Non-current portion of finance leases	62	68
Regulatory liabilities	3,894	3,796
Postretirement benefits	106	108
Asset retirement obligations	771	746
Deferred investment tax credit	126	129
Deferred income taxes	2,615	2,407
Other non‑current liabilities	415	397
Total non‑current liabilities	22,497	20,773
Commitments and Contingencies
Common stockholders’ equity
Common stock	3	3
Other paid-in capital	5,705	5,490
Accumulated other comprehensive loss	(46)	(52)
Retained earnings	1,658	1,350
Total common stockholders’ equity	7,320	6,791
Cumulative preferred stock	224	224
Total stockholders’ equity	7,544	7,015
Noncontrolling interests	581	580
Total equity	8,125	7,595
Total Liabilities and Equity	33,517	31,353
Nonrelated Party
Current Assets
Accounts receivable and accrued revenue, less allowance of $21 in 2023 and $27 in 2022	933	1,564
Current Liabilities
Accounts payable	802	928
Related Party
Current Assets
Accounts receivable – related parties	11	16
Current Liabilities
Accounts payable	$ 7	$ 8