Consolidated Statements of Cash Flows (Unaudited) - DTE Energy Company - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Operating Activities
Net Income	$ 635	$ 646
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	850	781
Nuclear fuel amortization	21	31
Allowance for equity funds used during construction	(38)	(18)
Deferred income taxes	132	88
Equity (earnings) of equity method investees	(24)	(4)
Dividends from equity method investees	2	2
Asset (gains) losses and impairments, net	(1)	1
Changes in assets and liabilities:
Accounts receivable, net	37	685
Inventories	(110)	1
Prepaid postretirement benefit costs	(41)	(40)
Accounts payable	(91)	(490)
Gas inventory equalization	40	41
Accrued pension liability	(43)	(37)
Accrued postretirement liability	(4)	(4)
Derivative assets and liabilities	65	(217)
Regulatory assets and liabilities	211	381
Other current and noncurrent assets and liabilities	160	(88)
Net cash from operating activities	1,801	1,759
Investing Activities
Plant and equipment expenditures — utility	(2,060)	(1,851)
Plant and equipment expenditures — non-utility	(32)	(25)
Proceeds from sale of assets	45	0
Proceeds from sale of nuclear decommissioning trust fund assets	347	423
Investment in nuclear decommissioning trust funds	(350)	(419)
Distributions from equity method investees	19	12
Contributions to equity method investees	(4)	(22)
Notes receivable	(400)	(24)
Investment in time deposits	(1,050)	0
Other	(39)	(52)
Net cash used for investing activities	(3,524)	(1,958)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	3,022	2,278
Redemption of long-term debt	(119)	(1,044)
Short-term borrowings, net	(723)	(634)
Dividends paid on common stock	(404)	(376)
Other	(17)	(27)
Net cash from financing activities	1,759	197
Net Increase in Cash, Cash Equivalents, and Restricted Cash	36	(2)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	51	43
Cash, Cash Equivalents, and Restricted Cash at End of Period	87	41
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	$ 523	$ 364