Consumers Energy Company Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash Flows from Operating Activities
Net Income	$ 204	$ 353
Adjustments to reconcile net income to net cash provided by operating activities
Deferred income taxes and investment tax credits	29	33
Other non‑cash operating activities and reconciling adjustments	(19)	(27)
Changes in assets and liabilities
Accounts receivable and accrued revenue	174	(121)
Inventories	391	213
Accounts payable and accrued rate refunds	(153)	(129)
Other current assets and liabilities	(51)	7
Other non‑current assets and liabilities	122	41
Net cash provided by operating activities	1,040	707
Cash Flows from Investing Activities
Capital expenditures (excludes assets placed under finance lease)	(617)	(520)
Cost to retire property and other investing activities	(34)	(19)
Net cash used in investing activities	(651)	(539)
Cash Flows from Financing Activities
Proceeds from issuance of debt	1,205	0
Retirement of debt	(1,000)	(3)
Payment of dividends on common and preferred stock	(145)	(136)
Other financing costs	(23)	(37)
Net cash provided by (used in) financing activities	27	(170)
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	416	(2)
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	182	476
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	598	474
Non‑cash transactions
Capital expenditures not paid	157	128
Nonrelated Party
Cash Flows from Financing Activities
Decrease in notes payable	(20)	0
Consumers Energy Company
Cash Flows from Operating Activities
Net Income	232	383
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	344	336
Deferred income taxes and investment tax credits	37	47
Other non‑cash operating activities and reconciling adjustments	(17)	(21)
Changes in assets and liabilities
Accounts receivable and accrued revenue	157	(118)
Inventories	389	210
Accounts payable and accrued rate refunds	(140)	(128)
Other current assets and liabilities	(48)	0
Other non‑current assets and liabilities	116	36
Net cash provided by operating activities	1,070	745
Cash Flows from Investing Activities
Capital expenditures (excludes assets placed under finance lease)	(555)	(506)
Cost to retire property and other investing activities	(33)	(23)
Net cash used in investing activities	(588)	(529)
Cash Flows from Financing Activities
Proceeds from issuance of debt	1,120	0
Retirement of debt	(1,000)	0
Stockholder contribution	75	450
Payment of dividends on common and preferred stock	(287)	(275)
Other financing costs	(12)	(5)
Net cash provided by (used in) financing activities	(199)	(222)
Net Increase (Decrease) in Cash and Cash Equivalents, Including Restricted Amounts	283	(6)
Cash and Cash Equivalents, Including Restricted Amounts, Beginning of Period	60	44
Cash and Cash Equivalents, Including Restricted Amounts, End of Period	343	38
Non‑cash transactions
Capital expenditures not paid	142	122
Consumers Energy Company | Nonrelated Party
Cash Flows from Financing Activities
Decrease in notes payable	(20)	0
Consumers Energy Company | Related Party
Cash Flows from Financing Activities
Decrease in notes payable	$ (75)	$ (392)