Leases (Tables)

9 Months Ended

Sep. 30, 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 September 30,		Nine Months Ended September 30,
	2019		2019
	(In millions)
Operating lease cost	$	10	$	31
Finance lease cost:
Amortization of right-of-use assets	—		3
Interest of lease liabilities	—		—
Total finance lease cost	—		3
Variable lease cost	2		8
Short-term lease cost	2		7
	$	14	$	49

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

	Three Months Ended September 30,		Nine Months Ended September 30,
	2019		2019
	(In millions)
Operating lease cost	$	5	$	13
Finance lease cost:
Amortization of right-of-use assets	—		3
Interest of lease liabilities	—		—
Total finance lease cost	—		3
Variable lease cost	—		—
Short-term lease cost	1		2
	$	6	$	18

Other information related to leases were as follows:

	DTE Energy		DTE Electric
	Nine Months Ended September 30, 2019
	(In millions)
Supplemental Cash Flows Information
Cash paid for amounts included in the measurement of these liabilities:
Operating cash flows from finance leases	$	4	$	4
Operating cash flows from operating leases	$	30	$	11
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	37	$	2
Weighted Average Remaining Lease Term
Operating leases	9.7 years		10.6 years
Finance leases	2.3 years		2.3 years
Weighted Average Discount Rate
Operating leases	3.7%		3.7%
Finance leases	3.1%		3.1%

Schedule of Maturities of Operating Leases

The Registrants' future minimum lease payments under leases for remaining periods as of September 30, 2019 were as follows:

	DTE Energy					DTE Electric
	Operating Leases			Finance Leases		Operating Leases			Finance Leases
	(In millions)
2019	$	10		$	1	$	4		$	1
2020	35			4		13			4
2021	26			3		11			3
2022	19			—		7			—
2023	16			—		6			—
2024 and thereafter	62			—		30			—
Total future minimum lease payments	168			8		71			8
Imputed interest	(30		)	—		(13		)	—
	$	138		$	8	$	58		$	8

Schedule of Maturities of Finance Leases

The Registrants' future minimum lease payments under leases for remaining periods as of September 30, 2019 were as follows:

	DTE Energy					DTE Electric
	Operating Leases			Finance Leases		Operating Leases			Finance Leases
	(In millions)
2019	$	10		$	1	$	4		$	1
2020	35			4		13			4
2021	26			3		11			3
2022	19			—		7			—
2023	16			—		6			—
2024 and thereafter	62			—		30			—
Total future minimum lease payments	168			8		71			8
Imputed interest	(30		)	—		(13		)	—
	$	138		$	8	$	58		$	8

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
	September 30, 2019
	(In millions)
Right-of-use assets, within Property, plant, and equipment, net	$	8	$	8
Current lease liabilities, within Current Liabilities — Other	$	3	$	3

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 was as follows:

	Three Months Ended September 30,		Nine Months Ended September 30,
	2019		2019
	(In millions)
Fixed payments	$	17	$	51
Variable payments	40		92
	$	57	$	143

Schedule of Minimum Future Rental Revenues under Operating Leases

DTE Energy’s minimum future rental revenues under operating leases for remaining periods as of September 30, 2019 were:

	DTE Energy
	(In millions)
2019	$	16
2020	66
2021	64
2022	22
2023	22
2024 and thereafter	216
	$	406

Schedule of Property under Operating Leases - Topic 842

Property under operating leases for DTE Energy was as follows:

	DTE Energy
	September 30, 2019
	(In millions)
Gross property under operating leases	$	444
Accumulated amortization of property under operating leases	$	166

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
	September 30, 2019
	(In millions)
2019	$	3
2020	9
2021	—
2022	—
2023	—
2024 and thereafter	1
Total minimum future lease receipts	13
Residual value of leased pipeline	40
Less unearned income	6
Net investment in finance lease	47
Less current portion	5
	$	42

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