Consolidated Statements of Cash Flows (Unaudited) - DTE Electric Company - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating Activities
Net Income	$ 978	$ 818
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	1,185	1,093
Nuclear fuel amortization	43	26
Allowance for equity funds used during construction	(26)	(20)
Deferred income taxes	119	15
Changes in assets and liabilities:
Accounts receivable, net	614	(150)
Inventories	(170)	(204)
Accounts payable	(438)	228
Regulatory assets and liabilities	509	(552)
Other current and noncurrent assets and liabilities	(87)	205
Net cash from operating activities	2,375	1,412
Investing Activities
Proceeds from sale of nuclear decommissioning trust fund assets	527	707
Investment in nuclear decommissioning trust funds	(524)	(710)
Net cash used for investing activities	(2,941)	(2,453)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	2,278	1,771
Redemption of long-term debt	(1,146)	(316)
Short-term borrowings, net	55	236
Dividends paid on common stock	(564)	(514)
Other	(34)	(65)
Net cash from financing activities	589	1,057
Net Increase in Cash, Cash Equivalents, and Restricted Cash	23	16
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	43	35
Cash, Cash Equivalents, and Restricted Cash at End of Period	66	51
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	401	331
DTE Electric
Operating Activities
Net Income	548	750
Adjustments to reconcile Net Income to Net cash from operating activities:
Depreciation and amortization	979	899
Nuclear fuel amortization	43	26
Allowance for equity funds used during construction	(25)	(18)
Deferred income taxes	59	11
Changes in assets and liabilities:
Accounts receivable, net	(57)	(77)
Inventories	(89)	(26)
Accounts payable	(33)	17
Prepaid postretirement benefit costs — affiliates	(26)	(37)
Accrued pension liability — affiliates	(39)	(40)
Accrued postretirement liability — affiliates	2	(6)
Regulatory assets and liabilities	402	(563)
Other current and noncurrent assets and liabilities	(183)	166
Net cash from operating activities	1,581	1,102
Investing Activities
Plant and equipment expenditures	(2,215)	(1,853)
Proceeds from sale of nuclear decommissioning trust fund assets	527	707
Investment in nuclear decommissioning trust funds	(524)	(710)
Notes receivable and other	(30)	(38)
Net cash used for investing activities	(2,242)	(1,894)
Financing Activities
Issuance of long-term debt, net of discount and issuance costs	1,284	1,118
Redemption of long-term debt	(121)	(316)
Capital contribution by parent company	0	296
Dividends paid on common stock	(531)	(600)
Other	(19)	(15)
Net cash from financing activities	674	814
Net Increase in Cash, Cash Equivalents, and Restricted Cash	13	22
Cash, Cash Equivalents, and Restricted Cash at Beginning of Period	24	9
Cash, Cash Equivalents, and Restricted Cash at End of Period	37	31
Supplemental disclosure of non-cash investing and financing activities
Plant and equipment expenditures in accounts payable	295	242
DTE Electric | Affiliates
Financing Activities
Short-term borrowings, net	(27)	25
DTE Electric | Other
Financing Activities
Short-term borrowings, net	$ 88	$ 306