Leases (Tables)

12 Months Ended

Dec. 31, 2020

Leases [Abstract]

Components of Lease Cost and Other Information Related to Leases

The following is a summary of the components of lease cost for the years ended December 31:

	DTE Energy				DTE Electric
	2020		2019		2020		2019
	(In millions)
Operating lease cost	$	39	$	41	$	14	$	17
Finance lease cost:
Amortization of right-of-use assets	5		4		4		4
Interest of lease liabilities	—		—		—		—
Total finance lease cost	5		4		4		4
Variable lease cost	10		10		—		—
Short-term lease cost	12		10		6		3
	$	66	$	65	$	24	$	24

The following is a summary of other information related to leases for the years ended December 31:

	DTE Energy						DTE Electric
	2020			2019			2020			2019
	(In millions)
Supplemental Cash Flows Information
Cash paid for amounts included in the measurement of these liabilities:
Operating cash flows for finance leases	$	3		$	5		$	2		$	5
Operating cash flows for operating leases	$	40		$	40		$	14		$	16
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	18		$	68		$	—		$	27
Finance leases	$	19		$	8		$	14		$	—
Weighted Average Remaining Lease Term (Years)
Operating leases	9.3			9.7			10.4			10.6
Finance leases	7.6			9.1			3.1			2.0
Weighted Average Discount Rate
Operating leases	3.4		%	3.5		%	3.3		%	3.3		%
Finance leases	2.0		%	3.1		%	1.0		%	3.1		%

Schedule of Maturities of Operating Leases

The Registrants' future minimum lease payments under leases for remaining periods as of December 31, 2020 are as follows:

	DTE Energy				DTE Electric
	Operating Leases		Finance Leases		Operating Leases		Finance Leases
	(In millions)
2021	$	37	$	8	$	13	$	6
2022	31		8		12		6
2023	22		8		10		6
2024	13		2		8		1
2025	8		1		6		—
2026 and thereafter	61		7		32		—
Total future minimum lease payments	172		34		81		19
Imputed interest	(28)		(3)		(14)		—
Lease liabilities	$	144	$	31	$	67	$	19

Schedule of Maturities of Finance Leases

The Registrants' future minimum lease payments under leases for remaining periods as of December 31, 2020 are as follows:

	DTE Energy				DTE Electric
	Operating Leases		Finance Leases		Operating Leases		Finance Leases
	(In millions)
2021	$	37	$	8	$	13	$	6
2022	31		8		12		6
2023	22		8		10		6
2024	13		2		8		1
2025	8		1		6		—
2026 and thereafter	61		7		32		—
Total future minimum lease payments	172		34		81		19
Imputed interest	(28)		(3)		(14)		—
Lease liabilities	$	144	$	31	$	67	$	19

Schedule of Finance Leases Reported on Consolidated Statement of Financial Position

Finance leases reported on the Consolidated Statements of Financial Position are as follows for the years ended December 31:

	DTE Energy				DTE Electric
	2020		2019		2020		2019
	(In millions)
Right-of-use assets, within Property, plant, and equipment, net	$	29	$	15	$	16	$	7
Current lease liabilities, within Current Liabilities — Other	$	7	$	4	$	6	$	3
Long-term lease liabilities	$	24	$	11	$	13	$	4

Schedule of Lease Income Associated with Operating Leases

DTE Energy’s lease income associated with operating leases was as follows for the years ended December 31:

	2020		2019
	(In millions)
Fixed payments(a)	$	66	$	65
Variable payments(a)	124		128
	$	190	$	193

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(a)Includes $108 million and $130 million of lease payments reported in Operating Revenues and $82 million and $63 million of lease payments reported in Other income on DTE Energy's Consolidated Statements of Operations as of December 31, 2020 and 2019, respectively.

Schedule of Minimum Future Rental Revenues under Operating Leases

DTE Energy’s minimum future rental revenues under operating leases for remaining periods as of December 31, 2020 are as follows:

	DTE Energy
	(In millions)
2021	$	62
2022	22
2023	22
2024	22
2025	19
2026 and thereafter	175
	$	322

Schedule of Property under Operating Leases

The following is a summary of property under operating leases for DTE Energy as of December 31:

	2020		2019
	(In millions)
Gross property under operating leases	$	447	$	445
Accumulated amortization of property under operating leases	$	197	$	173

Components of Net Investment in Finance Leases

The components of DTE Energy’s net investment in finance leases for remaining periods as of December 31, 2020 are as follows:

	DTE Energy
	(In millions)
2021	$	24
2022	20
2023	19
2024	19
2025	19
2026 and thereafter	253
Total minimum future lease receipts	354
Residual value of leased pipeline	17
Less unearned income	193
Net investment in finance lease	178
Less current portion	9
	$	169