Consolidated Statements of Financial Position (Unaudited) - USD ($) $ in Millions	Jun. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 3,448	$ 514
Restricted cash	2	2
Accounts receivable (less allowance for doubtful accounts)
Customer	1,550	1,665
Other	157	127
Inventories
Fuel and gas	297	335
Materials, supplies, and other	469	381
Derivative assets	171	116
Regulatory assets	127	129
Other	181	229
Total Current Assets	6,402	3,498
Investments
Nuclear decommissioning trust funds	2,019	1,855
Investments in equity method investees	1,860	1,868
Other	191	196
Total Investments	4,070	3,919
Property
Property, plant, and equipment	39,486	37,997
Accumulated depreciation and amortization	(10,346)	(10,028)
Property, plant, and equipment, net	29,140	27,969
Other Assets
Goodwill	2,466	2,466
Regulatory assets	4,002	4,128
Intangible assets	2,296	2,339
Notes receivable	312	280
Derivative assets	50	40
Prepaid postretirement costs	602	561
Operating lease right-of-use assets	138	152
Other	158	144
Total Other Assets	10,024	10,110
Total Assets	49,636	45,496
Accounts payable
Accounts payable	1,173	1,029
Accrued interest	168	158
Dividends payable	370	210
Short-term borrowings	69	38
Current portion long-term debt, including finance leases	1,047	469
Derivative liabilities	232	68
Gas inventory equalization	31	0
Regulatory liabilities	38	39
Short-term borrowings
Operating lease liabilities	32	33
Other	577	647
Total Current Liabilities	3,737	2,691
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	20,987	17,802
Junior subordinated debentures	883	1,175
Finance lease liabilities	21	24
Total Long-Term Debt (net of current portion)	21,891	19,001
Other Liabilities
Deferred income taxes	2,952	2,822
Regulatory liabilities	3,349	3,363
Asset retirement obligations	2,947	2,839
Unamortized investment tax credit	159	162
Derivative liabilities	164	60
Accrued pension liability	753	797
Accrued postretirement liability	396	407
Nuclear decommissioning	311	283
Operating lease liabilities	98	111
Other	340	371
Total Other Liabilities	11,469	11,215
Commitments and Contingencies (Notes 6 and 13)
Equity
Common stock	5,361	5,406
Retained earnings	7,149	7,156
Accumulated other comprehensive loss	(132)	(137)
Total DTE Energy/DTE Electric Company Equity	12,378	12,425
Noncontrolling interests	161	164
Total Equity	12,539	12,589
Total Liabilities and Equity	49,636	45,496
DTE Electric
Current Assets
Cash and cash equivalents	11	16
Accounts receivable (less allowance for doubtful accounts)
Customer	780	763
Affiliates	6	13
Other	82	62
Inventories
Fuel and gas	174	187
Materials, supplies, and other	319	292
Regulatory assets	124	123
Other	76	71
Total Current Assets	1,572	1,527
Investments
Nuclear decommissioning trust funds	2,019	1,855
Other	45	42
Total Investments	2,064	1,897
Property
Property, plant, and equipment	27,462	26,171
Accumulated depreciation and amortization	(7,324)	(7,050)
Property, plant, and equipment, net	20,138	19,121
Other Assets
Regulatory assets	3,347	3,440
Intangible assets	3	11
Prepaid postretirement costs — affiliates	359	335
Operating lease right-of-use assets	70	75
Other	120	107
Total Other Assets	3,899	3,968
Total Assets	27,673	26,513
Accounts payable
Affiliates	59	62
Other	466	410
Accrued interest	96	91
Current portion long-term debt, including finance leases	436	468
Regulatory liabilities	30	18
Short-term borrowings
Affiliates	194	101
Operating lease liabilities	11	11
Other	176	219
Total Current Liabilities	1,468	1,380
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	8,514	7,774
Finance lease liabilities	10	13
Total Long-Term Debt (net of current portion)	8,524	7,787
Other Liabilities
Deferred income taxes	2,602	2,525
Regulatory liabilities	2,441	2,432
Asset retirement obligations	2,710	2,607
Unamortized investment tax credit	159	162
Nuclear decommissioning	311	283
Accrued pension liability — affiliates	708	731
Accrued postretirement liability — affiliates	375	384
Operating lease liabilities	51	56
Other	101	96
Total Other Liabilities	9,458	9,276
Commitments and Contingencies (Notes 6 and 13)
Equity
Common stock	5,447	5,447
Retained earnings	2,776	2,623
Total DTE Energy/DTE Electric Company Equity	8,223	8,070
Total Liabilities and Equity	$ 27,673	$ 26,513