Consolidated Statements of Financial Position (Unaudited) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 54	$ 472
Restricted cash	2	2
Accounts receivable (less allowance for doubtful accounts)
Customer	1,522	1,542
Other	170	127
Inventories
Fuel and gas	398	335
Materials, supplies, and other	517	373
Derivative assets	347	116
Regulatory assets	187	129
Other	297	185
Current assets of discontinued operations	0	217
Total Current Assets	3,494	3,498
Investments
Nuclear decommissioning trust funds	2,007	1,855
Investments in equity method investees	186	177
Other	187	196
Total Investments	2,380	2,228
Property
Property, plant, and equipment	36,134	34,016
Accumulated depreciation and amortization	(9,977)	(9,517)
Property, plant, and equipment, net	26,157	24,499
Other Assets
Goodwill	1,993	1,993
Regulatory assets	3,974	4,125
Intangible assets	181	199
Notes receivable	304	261
Derivative assets	81	40
Prepaid postretirement costs	620	561
Operating lease right-of-use assets	100	107
Other	151	126
Noncurrent assets of discontinued operations	0	7,859
Total Other Assets	7,404	15,271
Total Assets	39,435	45,496
Accounts payable
Accounts payable	1,365	1,000
Accrued interest	147	158
Dividends payable	160	210
Short-term borrowings	361	38
Current portion long-term debt, including finance leases	324	469
Derivative liabilities	465	68
Regulatory liabilities	41	39
Short-term borrowings
Operating lease liabilities	14	16
Other	556	594
Current liabilities of discontinued operations	0	99
Total Current Liabilities	3,433	2,691
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	16,022	17,802
Junior subordinated debentures	883	1,175
Finance lease liabilities	19	24
Total Long-Term Debt (net of current portion)	16,924	19,001
Other Liabilities
Deferred income taxes	2,105	2,069
Regulatory liabilities	3,220	3,363
Asset retirement obligations	2,974	2,829
Unamortized investment tax credit	158	162
Derivative liabilities	244	60
Accrued pension liability	732	797
Accrued postretirement liability	398	407
Nuclear decommissioning	310	283
Operating lease liabilities	77	83
Other	281	326
Noncurrent liabilities of discontinued operations	0	836
Total Other Liabilities	10,499	11,215
Commitments and Contingencies (Notes 6 and 13)
Equity
Common stock	5,366	5,406
Retained earnings	3,317	7,156
Accumulated other comprehensive loss	(116)	(137)
Total DTE Energy/DTE Electric Company Equity	8,567	12,425
Total Equity	8,579	12,589
Total Liabilities and Equity	39,435	45,496
Continuing Operations
Equity
Noncontrolling interests	12	10
Discontinued Operations
Equity
Noncontrolling interests	0	154
DTE Electric
Current Assets
Cash and cash equivalents	18	16
Accounts receivable (less allowance for doubtful accounts)
Customer	782	763
Affiliates	17	13
Other	64	62
Inventories
Fuel and gas	175	187
Materials, supplies, and other	320	292
Regulatory assets	178	123
Prepaid property tax	126	52
Other	43	19
Total Current Assets	1,723	1,527
Investments
Nuclear decommissioning trust funds	2,007	1,855
Other	41	42
Total Investments	2,048	1,897
Property
Property, plant, and equipment	28,014	26,171
Accumulated depreciation and amortization	(7,506)	(7,050)
Property, plant, and equipment, net	20,508	19,121
Other Assets
Regulatory assets	3,335	3,440
Intangible assets	3	11
Prepaid postretirement costs — affiliates	371	335
Operating lease right-of-use assets	67	75
Other	120	107
Total Other Assets	3,896	3,968
Total Assets	28,175	26,513
Accounts payable
Affiliates	64	62
Other	582	410
Accrued interest	87	91
Current portion long-term debt, including finance leases	322	468
Regulatory liabilities	36	18
Short-term borrowings
Affiliates	32	101
Other	159	0
Operating lease liabilities	11	11
Other	165	219
Total Current Liabilities	1,458	1,380
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	8,590	7,774
Finance lease liabilities	9	13
Total Long-Term Debt (net of current portion)	8,599	7,787
Other Liabilities
Deferred income taxes	2,677	2,525
Regulatory liabilities	2,322	2,432
Asset retirement obligations	2,744	2,607
Unamortized investment tax credit	158	162
Nuclear decommissioning	310	283
Accrued pension liability — affiliates	697	731
Accrued postretirement liability — affiliates	378	384
Operating lease liabilities	49	56
Other	91	96
Total Other Liabilities	9,426	9,276
Commitments and Contingencies (Notes 6 and 13)
Equity
Common stock	5,720	5,447
Retained earnings	2,972	2,623
Total DTE Energy/DTE Electric Company Equity	8,692	8,070
Total Liabilities and Equity	$ 28,175	$ 26,513