Consolidated Statements of Cash Flows (Unaudited) - DTE Energy Company - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Operating Activities
Net Income	$ 1,112	$ 978
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	1,288	1,185
Nuclear fuel amortization	38	43
Allowance for equity funds used during construction	(62)	(26)
Deferred income taxes	16	119
Equity (earnings) of equity method investees	(36)	(7)
Dividends from equity method investees	2	3
Asset (gains) losses and impairments, net	(1)	(11)
Changes in assets and liabilities:
Accounts receivable, net	174	614
Inventories	(337)	(170)
Prepaid postretirement benefit costs	(51)	(45)
Accounts payable	(89)	(438)
Accrued pension liability	(64)	(59)
Accrued postretirement liability	0	1
Derivative assets and liabilities	43	(234)
Regulatory assets and liabilities	505	509
Other current and noncurrent assets and liabilities	21	(87)
Net cash from operating activities	2,559	2,375
Investing Activities
Plant and equipment expenditures — utility	(3,170)	(2,772)
Plant and equipment expenditures — non-utility	(50)	(41)
Proceeds from sale of assets	46	0
Proceeds from sale of nuclear decommissioning trust fund assets	438	527
Investment in nuclear decommissioning trust funds	(440)	(524)
Distributions from equity method investees	20	16
Contributions to equity method investees	(4)	(27)
Notes receivable	(443)	(56)
Investment in time deposits	(1,050)	0
Other	(60)	(64)
Net cash used for investing activities	(4,713)	(2,941)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	4,215	2,278
Redemption of long-term debt	(143)	(1,146)
Short-term borrowings, net	(317)	55
Dividends paid on common stock	(607)	(564)
Other	(22)	(34)
Net cash from financing activities	3,126	589
Net Increase in Cash, Cash Equivalents, and Restricted Cash	972	23
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	51	43
Cash, Cash Equivalents, and Restricted Cash at End of Period	1,023	66
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	$ 503	$ 401