Consolidated Statements of Cash Flows (Unaudited) - DTE Electric Company - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Operating Activities
Net Income	$ 247	$ 445
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	483	452
Nuclear fuel amortization	13	17
Allowance for equity funds used during construction	(35)	(24)
Deferred income taxes	(53)	(19)
Asset (gains) losses and impairments, net	2	(1)
Changes in assets and liabilities:
Accounts receivable, net	33	(61)
Inventories	144	90
Accounts payable	(144)	(2)
Regulatory assets and liabilities	14	78
Other current and noncurrent assets and liabilities	44	(80)
Net cash from operating activities	906	1,020
Investing Activities
Proceeds from sale of nuclear decommissioning trust fund assets	213	139
Investment in nuclear decommissioning trust funds	(215)	(142)
Investment in notes receivable	(66)	(87)
Other	(27)	(13)
Net cash used for investing activities	(1,314)	(968)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	1,582	1,093
Redemption of long-term debt	(16)	(365)
Short-term borrowings, net	(882)	(554)
Dividends paid on common stock	(233)	(217)
Other	(15)	(7)
Net cash from (used for) financing activities	436	(50)
Net Increase in Cash, Cash Equivalents, and Restricted Cash	28	2
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	250	88
Cash, Cash Equivalents, and Restricted Cash at End of Period	278	90
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	589	375
DTE Electric
Operating Activities
Net Income	215	121
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	400	378
Nuclear fuel amortization	13	17
Allowance for equity funds used during construction	(34)	(24)
Deferred income taxes	(26)	(19)
Asset (gains) losses and impairments, net	2	0
Changes in assets and liabilities:
Accounts receivable, net	(127)	(19)
Inventories	14	25
Accounts payable	111	14
Prepaid postretirement benefit costs — affiliates	(16)	(14)
Accrued pension liability — affiliates	(3)	(4)
Accrued postretirement liability — affiliates	(8)	(7)
Regulatory assets and liabilities	65	88
Other current and noncurrent assets and liabilities	24	(45)
Net cash from operating activities	630	511
Investing Activities
Plant and equipment expenditures	(1,049)	(732)
Proceeds from sale of nuclear decommissioning trust fund assets	213	139
Investment in nuclear decommissioning trust funds	(215)	(142)
Investment in notes receivable	(14)	(33)
Other	(7)	(13)
Net cash used for investing activities	(1,300)	(739)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	1,582	0
Redemption of long-term debt	(16)	(365)
Dividends paid on common stock	(235)	(211)
Other	(12)	(11)
Net cash from (used for) financing activities	667	220
Net Increase in Cash, Cash Equivalents, and Restricted Cash	(3)	(8)
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	123	59
Cash, Cash Equivalents, and Restricted Cash at End of Period	120	51
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	525	300
DTE Electric | Affiliates
Investing Activities
Notes receivable to (from) affiliates	(228)	42
Financing Activities
Short-term borrowings, net	0	960
DTE Electric | Customer
Financing Activities
Short-term borrowings, net	$ (652)	$ (153)