Consolidated Statements of Cash Flows (Unaudited) - DTE Energy Company - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022
Operating Activities
Net Income Attributable to DTE Energy Company	$ 646	$ 431
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	781	724
Nuclear fuel amortization	31	11
Allowance for equity funds used during construction	(18)	(14)
Deferred income taxes	88	0
Equity (earnings) losses of equity method investees	(4)	15
Dividends from equity method investees	2	3
Asset (gains) losses and impairments, net	1	(5)
Changes in assets and liabilities:
Accounts receivable, net	685	(328)
Inventories	1	3
Prepaid postretirement benefit costs	(40)	(43)
Accounts payable	(490)	363
Gas inventory equalization	41	75
Accrued pension liability	(37)	(48)
Accrued postretirement liability	(4)	(9)
Derivative assets and liabilities	(217)	85
Regulatory assets and liabilities	381	(405)
Other current and noncurrent assets and liabilities	(88)	278
Net cash from operating activities	1,759	1,136
Investing Activities
Plant and equipment expenditures — utility	(1,851)	(1,489)
Plant and equipment expenditures — non-utility	(25)	(42)
Proceeds from sale of nuclear decommissioning trust fund assets	423	513
Investment in nuclear decommissioning trust funds	(419)	(516)
Distributions from equity method investees	12	10
Contributions to equity method investees	(22)	(7)
Notes receivable	(24)	(13)
Other	(52)	(24)
Net cash used for investing activities	(1,958)	(1,568)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	2,278	1,119
Redemption of long-term debt	(1,044)	(250)
Short-term borrowings, net	(634)	57
Repurchase of common stock	0	(55)
Dividends paid on common stock	(376)	(342)
Other	(27)	(50)
Net cash from financing activities	197	479
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	(2)	47
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	43	35
Cash, Cash Equivalents, and Restricted Cash at End of Period	41	82
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	$ 364	$ 318