Consolidated Statements of Financial Position (Unaudited) - DTE Electric Company - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Current Assets
Cash and cash equivalents	$ 292	$ 26
Restricted cash	57	25
Accounts receivable (less allowance for doubtful accounts of $40 and $41, respectively)
Accounts receivable	1,435	1,632
Other	180	155
Inventories
Fuel	309	421
Materials and supplies	740	633
Regulatory assets	51	108
Other	297	242
Total Current Assets	3,752	3,539
Investments
Nuclear decommissioning trust funds	2,134	2,041
Other	162	168
Total Investments	2,454	2,375
Property
Property, plant, and equipment	37,928	37,274
Accumulated depreciation and amortization	(9,343)	(9,105)
Total Property	28,585	28,169
Other Assets
Regulatory assets	6,334	6,209
Securitized regulatory assets	741	758
Operating lease right-of-use assets	152	132
Other	260	262
Total Other Assets	11,111	10,672
Total Assets	45,902	44,755
Accounts payable
Accounts payable	1,098	1,361
Accrued interest	238	170
Current portion long-term debt, including securitization bonds and finance leases	2,409	2,142
Regulatory liabilities	35	71
Short-term borrowings
Short-term borrowings	290	1,283
Operating lease liabilities	16	17
Other	462	452
Total Current Liabilities	4,975	5,883
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	17,655	15,819
Securitization bonds	690	705
Finance lease liabilities	19	13
Total Long-Term Debt (net of current portion)	19,248	17,420
Other Liabilities
Deferred income taxes	2,706	2,649
Regulatory liabilities	2,625	2,603
Asset retirement obligations	3,605	3,556
Unamortized investment tax credit	180	181
Nuclear decommissioning	333	320
Operating lease liabilities	130	108
Other	181	197
Total Other Liabilities	10,501	10,397
Commitments and Contingencies (Notes 4 and 11)
Equity
Common stock ($10 par value, 400,000,000 shares authorized, and 138,632,324 shares issued and outstanding for both periods)	6,710	6,713
Retained earnings	4,505	4,404
Total DTE Energy/DTE Electric Company Equity	11,173	11,050
Total Liabilities and Equity	45,902	44,755
DTE Electric
Current Assets
Cash and cash equivalents	195	15
Restricted cash	45	17
Accounts receivable (less allowance for doubtful accounts of $40 and $41, respectively)
Other	63	55
Inventories
Fuel	193	191
Materials and supplies	441	409
Regulatory assets	46	99
Prepaid property tax	108	60
Other	44	54
Total Current Assets	1,896	1,676
Investments
Nuclear decommissioning trust funds	2,134	2,041
Other	60	53
Total Investments	2,194	2,094
Property
Property, plant, and equipment	28,471	27,936
Accumulated depreciation and amortization	(6,783)	(6,570)
Total Property	21,688	21,366
Other Assets
Regulatory assets	5,724	5,596
Securitized regulatory assets	741	758
Prepaid postretirement costs — affiliates	388	378
Operating lease right-of-use assets	123	101
Other	213	216
Total Other Assets	7,189	7,049
Total Assets	32,967	32,185
Accounts payable
Accrued interest	131	113
Current portion long-term debt, including securitization bonds and finance leases	432	166
Regulatory liabilities	32	49
Short-term borrowings
Short-term borrowings	210	385
Operating lease liabilities	14	15
Other	175	169
Total Current Liabilities	1,731	1,651
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	10,819	10,174
Securitization bonds	690	705
Finance lease liabilities	8	4
Total Long-Term Debt (net of current portion)	11,517	10,883
Other Liabilities
Deferred income taxes	3,149	3,109
Regulatory liabilities	1,709	1,710
Asset retirement obligations	3,372	3,326
Unamortized investment tax credit	180	181
Nuclear decommissioning	333	320
Accrued pension liability — affiliates	321	334
Accrued postretirement liability — affiliates	282	290
Operating lease liabilities	105	81
Other	68	76
Total Other Liabilities	9,519	9,427
Commitments and Contingencies (Notes 4 and 11)
Equity
Common stock ($10 par value, 400,000,000 shares authorized, and 138,632,324 shares issued and outstanding for both periods)	7,361	7,361
Retained earnings	2,839	2,863
Total DTE Energy/DTE Electric Company Equity	10,200	10,224
Total Liabilities and Equity	32,967	32,185
DTE Electric | Affiliates
Accounts receivable (less allowance for doubtful accounts of $40 and $41, respectively)
Accounts receivable	10	12
Accounts payable
Accounts payable	87	58
DTE Electric | Customer/ Other
Accounts receivable (less allowance for doubtful accounts of $40 and $41, respectively)
Accounts receivable	751	764
Accounts payable
Accounts payable	$ 650	$ 696