CMS Energy Corporation Consolidated Balance Sheets (Unaudited) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Current Assets
Cash and cash equivalents	$ 389	$ 164
Restricted cash and cash equivalents	17	18
Inventories at average cost
Gas in underground storage	570	840
Materials and supplies	244	212
Generating plant fuel stock	73	65
Deferred property taxes	282	384
Regulatory assets	182	57
Prepayments and other current assets	125	113
Total current assets	2,603	3,433
Plant, Property, and Equipment
Plant, property, and equipment, gross	31,592	30,491
Less accumulated depreciation and amortization	8,736	8,960
Plant, property, and equipment, net	22,856	21,531
Construction work in progress	1,408	1,182
Total plant, property, and equipment	24,264	22,713
Other Non‑current Assets
Regulatory assets	3,807	3,595
Accounts receivable	24	23
Investments	72	71
Postretirement benefits	1,274	1,208
Other	221	310
Total other non‑current assets	5,398	5,207
Total Assets	32,265	31,353
Current Liabilities
Current portion of long-term debt and finance leases	1,132	1,099
Notes payable	0	20
Accrued rate refunds	21	0
Accrued interest	145	122
Accrued taxes	405	538
Regulatory liabilities	88	104
Other current liabilities	187	166
Total current liabilities	2,737	2,985
Non‑current Liabilities
Long-term debt	13,925	13,122
Non-current portion of finance leases	65	68
Regulatory liabilities	3,922	3,796
Postretirement benefits	106	108
Asset retirement obligations	759	746
Deferred investment tax credit	127	129
Deferred income taxes	2,503	2,407
Other non‑current liabilities	415	397
Total non‑current liabilities	21,822	20,773
Commitments and Contingencies
Common stockholders’ equity
Common stock	3	3
Other paid-in capital	5,506	5,490
Accumulated other comprehensive loss	(51)	(52)
Retained earnings	1,463	1,350
Total common stockholders’ equity	6,921	6,791
Cumulative preferred stock	224	224
Total stockholders’ equity	7,145	7,015
Noncontrolling interests	561	580
Total equity	7,706	7,595
Total Liabilities and Equity	32,265	31,353
Nonrelated Party
Current Assets
Accounts receivable and accrued revenue, less allowance of $27 in both periods	708	1,564
Current Liabilities
Accounts payable	752	928
Related Party
Current Assets
Accounts receivable – related parties	13	16
Current Liabilities
Accounts payable	$ 7	$ 8