Consumers Energy Company Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Cash Flows from Operating Activities
Net Income	$ 402	$ 501
Adjustments to reconcile net income to net cash provided by operating activities
Deferred income taxes and investment tax credits	71	39
Other non‑cash operating activities and reconciling adjustments	(122)	(38)
Changes in assets and liabilities
Accounts receivable and accrued revenue	474	(80)
Inventories	236	(179)
Accounts payable and accrued rate refunds	(189)	53
Other current assets and liabilities	92	117
Other non‑current assets and liabilities	151	73
Net cash provided by operating activities	1,705	1,059
Cash Flows from Investing Activities
Cost to retire property and other investing activities	(82)	(51)
Net cash used in investing activities	(2,079)	(1,139)
Cash Flows from Financing Activities
Proceeds from issuance of debt	2,405	0
Retirement of debt	(1,465)	(92)
Payment of dividends on common and preferred stock	(290)	(273)
Other financing costs	(45)	(38)
Net cash provided by (used in) financing activities	598	(300)
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	224	(380)
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	182	476
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	406	96
Non‑cash transactions
Capital expenditures not paid	241	162
Capital Expenditures
Cash Flows from Investing Activities
Capital expenditures (excludes assets placed under finance lease)	(1,187)	(1,088)
Covert Plant Acquisition
Cash Flows from Investing Activities
Capital expenditures (excludes assets placed under finance lease)	(810)	0
Nonrelated Party
Cash Flows from Financing Activities
Increase (decrease) in notes payable	(20)
Increase (decrease) in notes payable		45
Consumers Energy Company
Cash Flows from Operating Activities
Net Income	399	556
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	589	569
Deferred income taxes and investment tax credits	73	55
Other non‑cash operating activities and reconciling adjustments	(35)	(33)
Changes in assets and liabilities
Accounts receivable and accrued revenue	453	(60)
Inventories	236	(178)
Accounts payable and accrued rate refunds	(170)	44
Other current assets and liabilities	75	146
Other non‑current assets and liabilities	139	60
Net cash provided by operating activities	1,759	1,159
Cash Flows from Investing Activities
Cost to retire property and other investing activities	(80)	(54)
Net cash used in investing activities	(1,971)	(1,094)
Cash Flows from Financing Activities
Proceeds from issuance of debt	1,520	0
Retirement of debt	(1,314)	(14)
Stockholder contribution	475	685
Payment of dividends on common and preferred stock	(306)	(434)
Other financing costs	(18)	(5)
Net cash provided by (used in) financing activities	268	(83)
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	56	(18)
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	60	44
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	116	26
Non‑cash transactions
Capital expenditures not paid	228	155
Consumers Energy Company | Capital Expenditures
Cash Flows from Investing Activities
Capital expenditures (excludes assets placed under finance lease)	(1,081)	(1,040)
Consumers Energy Company | Covert Plant Acquisition
Cash Flows from Investing Activities
Capital expenditures (excludes assets placed under finance lease)	(810)	0
Consumers Energy Company | Nonrelated Party
Cash Flows from Financing Activities
Increase (decrease) in notes payable	(20)
Increase (decrease) in notes payable		45
Consumers Energy Company | Related Party
Cash Flows from Financing Activities
Increase (decrease) in notes payable	$ (69)	$ (360)