Consolidated Statements of Financial Position - USD ($) $ in Millions	Dec. 31, 2018	Dec. 31, 2017
Current Assets
Cash and cash equivalents	$ 71	$ 66
Restricted cash	5	23
Accounts receivable (less allowance for doubtful accounts)
Customer	1,789	1,758
Other	108	98
Inventories
Fuel and gas	406	399
Materials and supplies	405	380
Derivative assets	102	103
Regulatory assets	153	55
Other	221	199
Total Current Assets	3,260	3,081
Investments
Nuclear decommissioning trust funds	1,378	1,492
Investments in equity method investees	1,771	1,073
Other	219	232
Total Investments	3,368	2,797
Property
Property, plant, and equipment	31,810	31,424
Accumulated depreciation and amortization	(10,160)	(10,703)
Property, plant and equipment, net	21,650	20,721
Other Assets
Goodwill	2,293	2,293
Regulatory assets	4,568	3,723
Intangible assets	849	867
Notes receivable	64	73
Derivative assets	31	51
Prepaid postretirement costs	45	0
Other	160	161
Total Other Assets	8,010	7,168
Total Assets	36,288	33,767
Current Liabilities
Accounts payable	1,329	1,171
Accounts payable
Accrued interest	127	111
Dividends payable	172	158
Short-term borrowings	609	621
Current portion long-term debt, including capital leases	1,499	109
Derivative liabilities	67	99
Regulatory liabilities	126	18
Short-term borrowings
Other	509	525
Total Current Liabilities	4,438	2,812
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	10,982	11,039
Junior subordinated debentures	1,145	1,145
Capital lease obligations	7	1
Total Long-Term Debt (net of current portion)	12,134	12,185
Other Liabilities
Deferred income taxes	1,975	1,888
Regulatory liabilities	2,922	2,875
Asset retirement obligations	2,469	2,320
Unamortized investment tax credit	138	122
Derivative liabilities	89	47
Accrued pension liability	837	924
Accrued postretirement liability	0	61
Nuclear decommissioning	205	220
Other	364	323
Total Other Liabilities	8,999	8,780
Commitments and Contingencies (Notes 9 and 18)
Equity
Common stock	4,245	3,989
Retained earnings	6,112	5,643
Accumulated other comprehensive (loss) income	(120)	(120)
Total DTE Energy Company/DTE Electric Company Equity	10,237	9,512
Noncontrolling interests	480	478
Total Equity	10,717	9,990
Total Liabilities and Equity	36,288	33,767
DTE Electric
Current Assets
Cash and cash equivalents	18	15
Accounts receivable (less allowance for doubtful accounts)
Customer	750	791
Affiliates	11	20
Other	54	37
Inventories
Fuel and gas	171	190
Materials and supplies	279	275
Regulatory assets	148	50
Other	89	68
Total Current Assets	1,520	1,446
Investments
Nuclear decommissioning trust funds	1,378	1,492
Other	34	36
Total Investments	1,412	1,528
Property
Property, plant, and equipment	22,747	22,972
Accumulated depreciation and amortization	(7,310)	(7,984)
Property, plant and equipment, net	15,437	14,988
Other Assets
Regulatory assets	3,829	3,005
Intangible assets	21	25
Prepaid postretirement costs — affiliates	189	113
Other	121	123
Total Other Assets	4,160	3,266
Total Assets	22,529	21,228
Accounts payable
Affiliates	71	52
Other	441	416
Accrued interest	74	72
Current portion long-term debt, including capital leases	4	5
Regulatory liabilities	98	17
Short-term borrowings
Affiliates	101	116
Other	149	238
Other	139	145
Total Current Liabilities	1,077	1,061
Long-Term Debt (net of current portion)
Mortgage bonds, notes, and other	6,538	6,017
Capital lease obligations	7	1
Total Long-Term Debt (net of current portion)	6,545	6,018
Other Liabilities
Deferred income taxes	2,246	2,088
Regulatory liabilities	2,171	2,137
Asset retirement obligations	2,271	2,125
Unamortized investment tax credit	137	120
Nuclear decommissioning	205	220
Accrued pension liability — affiliates	718	811
Accrued postretirement liability — affiliates	278	311
Other	88	72
Total Other Liabilities	8,114	7,884
Commitments and Contingencies (Notes 9 and 18)
Equity
Common stock	4,631	4,306
Retained earnings	2,162	1,956
Accumulated other comprehensive (loss) income	0	3
Total DTE Energy Company/DTE Electric Company Equity	6,793	6,265
Total Liabilities and Equity	$ 22,529	$ 21,228