Consolidated Statements of Cash Flows (Unaudited) - DTE Electric Company - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Operating Activities
Net Income	$ 445	$ 313
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	452	423
Nuclear fuel amortization	17	12
Allowance for equity funds used during construction	(24)	(18)
Deferred income taxes	(19)	23
Changes in assets and liabilities:
Accounts receivable, net	(61)	172
Inventories	90	7
Accounts payable	(2)	(179)
Regulatory assets and liabilities	78	146
Other current and noncurrent assets and liabilities	(80)	1
Net cash from operating activities	1,020	1,042
Investing Activities
Proceeds from sale of nuclear decommissioning trust fund assets	139	108
Investment in nuclear decommissioning trust funds	(142)	(110)
Other	(13)	(7)
Net cash used for investing activities	(968)	(1,616)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	1,093	2,181
Redemption of long-term debt	(365)	(100)
Short-term borrowings, net	(554)	(993)
Dividends paid on common stock	(217)	(202)
Other	(7)	(14)
Net cash from (used for) financing activities	(50)	872
Net Increase in Cash, Cash Equivalents, and Restricted Cash	2	298
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	88	51
Cash, Cash Equivalents, and Restricted Cash at End of Period	90	349
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	375	398
DTE Electric
Operating Activities
Net Income	121	170
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	378	350
Nuclear fuel amortization	17	12
Allowance for equity funds used during construction	(24)	(18)
Deferred income taxes	(19)	18
Changes in assets and liabilities:
Accounts receivable, net	(19)	7
Inventories	25	(32)
Accounts payable	14	59
Prepaid postretirement benefit costs — affiliates	(14)	(10)
Accrued pension liability — affiliates	(4)	(13)
Accrued postretirement liability — affiliates	(7)	(8)
Regulatory assets and liabilities	88	127
Other current and noncurrent assets and liabilities	(45)	(84)
Net cash from operating activities	511	578
Investing Activities
Plant and equipment expenditures	(732)	(868)
Proceeds from sale of nuclear decommissioning trust fund assets	139	108
Investment in nuclear decommissioning trust funds	(142)	(110)
Other	(4)	(12)
Net cash used for investing activities	(739)	(882)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	0	993
Redemption of long-term debt	(365)	(100)
Dividends paid on common stock	(211)	(194)
Other	(11)	(12)
Net cash from (used for) financing activities	220	512
Net Increase in Cash, Cash Equivalents, and Restricted Cash	(8)	208
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	59	32
Cash, Cash Equivalents, and Restricted Cash at End of Period	51	240
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	300	328
DTE Electric | Affiliates
Financing Activities
Short-term borrowings, net	960	0
DTE Electric | Other
Financing Activities
Short-term borrowings, net	$ (153)	$ (175)