Consolidated Statements of Cash Flows (Unaudited) - DTE Electric Company - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Operating Activities
Net Income	$ 1,093	$ 1,112
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	1,367	1,288
Nuclear fuel amortization	50	38
Allowance for equity funds used during construction	(72)	(62)
Deferred income taxes	70	16
Asset (gains) losses and impairments, net	48	(1)
Changes in assets and liabilities:
Accounts receivable, net	252	174
Inventories	(304)	(337)
Accounts payable	(97)	(89)
Regulatory assets and liabilities	144	505
Other current and noncurrent assets and liabilities	(106)	21
Net cash from operating activities	2,361	2,559
Investing Activities
Proceeds from sale of nuclear decommissioning trust fund assets	592	438
Investment in nuclear decommissioning trust funds	(596)	(440)
Notes receivable	(351)	(443)
Net cash used for investing activities	(3,683)	(4,713)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	4,024	4,215
Redemption of long-term debt	(1,200)	(143)
Short-term borrowings, net	(851)	(317)
Dividends paid on common stock	(653)	(607)
Other	(7)	(22)
Net cash from financing activities	1,313	3,126
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	(9)	972
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	88	51
Cash, Cash Equivalents, and Restricted Cash at End of Period	79	1,023
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	441	503
DTE Electric
Operating Activities
Net Income	944	886
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	1,137	1,063
Nuclear fuel amortization	50	38
Allowance for equity funds used during construction	(71)	(60)
Deferred income taxes	65	32
Asset (gains) losses and impairments, net	47	0
Changes in assets and liabilities:
Accounts receivable, net	(79)	(127)
Inventories	(48)	(112)
Accounts payable	32	9
Prepaid postretirement benefit costs — affiliates	(35)	(28)
Accrued pension liability — affiliates	(11)	(38)
Accrued postretirement liability — affiliates	(1)	(1)
Regulatory assets and liabilities	86	432
Other current and noncurrent assets and liabilities	(254)	(228)
Net cash from operating activities	1,862	1,866
Investing Activities
Plant and equipment expenditures	(2,562)	(2,609)
Proceeds from sale of nuclear decommissioning trust fund assets	592	438
Investment in nuclear decommissioning trust funds	(596)	(440)
Notes receivable	(175)	(41)
Net cash used for investing activities	(2,741)	(2,652)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	1,291	993
Redemption of long-term debt	(400)	(143)
Dividends paid on common stock	(635)	(582)
Other	(15)	(15)
Net cash from financing activities	867	808
Net Increase (Decrease) in Cash, Cash Equivalents, and Restricted Cash	(12)	22
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	59	32
Cash, Cash Equivalents, and Restricted Cash at End of Period	47	54
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	352	394
DTE Electric | Short-term borrowings, net — affiliates
Financing Activities
Short-term borrowings, net	1,076	142
DTE Electric | Short-term borrowings, net — other
Financing Activities
Short-term borrowings, net	$ (450)	$ 413