Leases (Tables)

3 Months Ended

Mar. 31, 2019

Leases [Abstract]

Components of Lease Cost and Other Information Related to Leases

The components of lease cost for DTE Energy were as follows:

	Three months ended March 31, 2019
	(In millions)
Operating lease cost	$	11
Finance lease cost:
Amortization of right-of-use assets	1
Interest of lease liabilities	—
Total finance lease cost	1
Variable lease cost	5
	$	17

The components of lease cost for DTE Electric were as follows:

	Three months ended March 31, 2019
	(In millions)
Operating lease cost	$	4
Finance lease cost:
Amortization of right-of-use assets	1
Interest of lease liabilities	—
Total finance lease cost	1
Variable lease cost	—
	$	5

Other information related to leases were as follows for the three months ended March 31,

	DTE Energy		DTE Electric
	2019		2019
	(In millions)
Supplemental Cash Flows Information
Cash paid for amounts included in the measurement of these liabilities:
Operating cash flows from finance leases	$	1	$	1
Operating cash flows from operating leases	$	10	$	3
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	11	$	—
Weighted Average Remaining Lease Term
Operating leases	9.1 years		10.4 years
Finance leases	2.7 years		2.7 years
Weighted Average Discount Rate
Operating leases	3.8%		3.6%
Finance leases	3.0%		3.0%

Schedule of Maturities of Operating Leases

The Registrants' future minimum lease payments under leases for remaining periods as of March 31, 2019 were as follows:

	DTE Energy					DTE Electric
	Operating Leases			Finance Leases		Operating Leases			Finance Leases
	(In millions)
2019	$	28		$	3	$	12		$	3
2020	30			4		12			4
2021	22			3		11			3
2022	16			—		7			—
2023	13			—		6			—
2024 and thereafter	50			—		30			—
Total future minimum lease payments	159			10		78			10
Imputed interest	(28		)	—		(14		)	—
	$	131		$	10	$	64		$	10

Schedule of Maturities of Finance Leases

The Registrants' future minimum lease payments under leases for remaining periods as of March 31, 2019 were as follows:

	DTE Energy					DTE Electric
	Operating Leases			Finance Leases		Operating Leases			Finance Leases
	(In millions)
2019	$	28		$	3	$	12		$	3
2020	30			4		12			4
2021	22			3		11			3
2022	16			—		7			—
2023	13			—		6			—
2024 and thereafter	50			—		30			—
Total future minimum lease payments	159			10		78			10
Imputed interest	(28		)	—		(14		)	—
	$	131		$	10	$	64		$	10

Schedule of Finance Leases Reported on Consolidated Statement of Financial Position

Finance leases reported on the Consolidated Statement of Financial Position were as follows:

	DTE Energy		DTE Electric
	March 31, 2019
	(In millions)
Right-of-use assets, within Property, plant, and equipment, net	$	10	$	10
Current lease liabilities, within Current Liabilities — Other	$	4	$	4

Schedule of Future Minimum Lease Payments and Rental Revenues for Operating Leases

DTE Energy’s minimum future rental revenues under non-cancelable operating leases as of December 31, 2018 were:

	DTE Energy
	(In millions)
2019	$	66
2020	66
2021	64
2022	20
2023	20
2024 and thereafter	196
	$	432

The Registrants' future minimum lease payments under non-cancelable operating leases at December 31, 2018 were as follows:

	DTE Energy		DTE Electric
	(In millions)
2019	$	42	$	17
2020	30		12
2021	18		10
2022	11		7
2023	8		5
2024 and thereafter	45		29
	$	154	$	80

Schedule of Lease Income Associated with Operating Leases

DTE Energy’s lease income associated with operating leases were as follows:

	Three months ended March 31, 2019
	(In millions)
Fixed payments	$	17
Variable payments	27
	$	44

Schedule of Minimum Future Rental Revenues under Operating Leases

DTE Energy’s minimum future rental revenues under operating leases for remaining periods as of March 31, 2019 were:

	DTE Energy
	(In millions)
2019	$	50
2020	67
2021	65
2022	22
2023	22
2024 and thereafter	216
	$	442

Schedule of Property under Operating Leases - Topic 842

Property under operating leases for DTE Energy were as follows:

	DTE Energy
	March 31, 2019
	(In millions)
Gross property under operating leases	$	442
Accumulated amortization of property under operating leases	$	154

Components of Net Investment in Finance Leases

The components of DTE Energy’s net investment in finance leases for remaining periods were as follows:

	DTE Energy
	March 31, 2019
	(In millions)
2019	$	7
2020	9
2021	—
2022	—
2023	—
2024 and thereafter	1
Total minimum future lease receipts	17
Residual value of leased pipeline	40
Less unearned income	8
Net investment in finance lease	49
Less current portion	5
	$	44

Components of Net Investment in Capital Leases

The components of DTE Energy’s net investment in capital leases at December 31, 2018, were as follows:

	DTE Energy
	(In millions)
2019	$	10
2020	9
2021	—
2022	—
2023	—
2024 and thereafter	1
Total minimum future lease receipts	20
Residual value of leased pipeline	40
Less unearned income	9
Net investment in capital lease	51
Less current portion	5
	$	46

Schedule of Property under Operating Leases - Topic 840

Property under operating leases for DTE Energy as of December 31, 2018 were as follows:

	DTE Energy
	(In millions)
Gross property under operating leases	$	447
Accumulated amortization of property under operating leases	$	148