Leases (Tables)

12 Months Ended

Dec. 31, 2021

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
	2021		2020		2019		2021		2020		2019
	(In millions)
Operating lease cost	$	19	$	21	$	23	$	14	$	14	$	17
Finance lease cost:
Amortization of right-of-use assets	7		5		4		6		4		4
Interest of lease liabilities	1		—		—		—		—		—
Total finance lease cost	8		5		4		6		4		4
Variable lease cost	9		10		10		—		—		—
Short-term lease cost	14		11		9		6		6		3
	$	50	$	47	$	46	$	26	$	24	$	24

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

	DTE Energy									DTE Electric
	2021			2020			2019			2021			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	$	8		$	3		$	5		$	7		$	2		$	5
Operating cash flows for operating leases	$	19		$	22		$	22		$	14		$	14		$	16
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	5		$	2		$	42		$	1		$	—		$	27
Finance leases	$	3		$	19		$	8		$	1		$	14		$	—
Weighted Average Remaining Lease Term (Years)
Operating leases	12.7			12.1			12.1			10.3			10.4			10.6
Finance leases	7.8			7.6			9.1			2.1			3.1			2.0
Weighted Average Discount Rate
Operating leases	3.6		%	3.6		%	3.5		%	3.4		%	3.3		%	3.3		%
Finance leases	2.2		%	2.0		%	3.1		%	1.0		%	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, 2021 are as follows:

	DTE Energy				DTE Electric
	Operating Leases		Finance Leases		Operating Leases		Finance Leases
	(In millions)
2022	$	16	$	8	$	12	$	6
2023	13		9		10		6
2024	11		3		8		1
2025	8		1		6		—
2026	7		1		5		—
2027 and thereafter	56		8		27		—
Total future minimum lease payments	111		30		68		13
Imputed interest	(23)		(3)		(12)		—
Lease liabilities	$	88	$	27	$	56	$	13

Schedule of Maturities of Finance Leases

The Registrants' future minimum lease payments under leases for remaining periods as of December 31, 2021 are as follows:

	DTE Energy				DTE Electric
	Operating Leases		Finance Leases		Operating Leases		Finance Leases
	(In millions)
2022	$	16	$	8	$	12	$	6
2023	13		9		10		6
2024	11		3		8		1
2025	8		1		6		—
2026	7		1		5		—
2027 and thereafter	56		8		27		—
Total future minimum lease payments	111		30		68		13
Imputed interest	(23)		(3)		(12)		—
Lease liabilities	$	88	$	27	$	56	$	13

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
	2021		2020		2021		2020
	(In millions)
Right-of-use assets, within Property, plant, and equipment, net	$	26	$	29	$	12	$	16
Current lease liabilities, within Current portion of long-term debt	$	8	$	7	$	6	$	6
Long-term lease liabilities	$	19	$	24	$	7	$	13

Schedule of Lease Income Associated with Operating Leases

DTE Energy’s lease income associated with operating leases, including the line items in which it was included on the Consolidated Statements of Operations, was as follows:

	2021		2020		2019
	(In millions)
Fixed payments	$	67	$	57	$	56
Variable payments	131		124		128
	$	198	$	181	$	184
Operating revenues	$	103	$	99	$	121
Other income	95		82		63
	$	198	$	181	$	184

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, 2021 are as follows:

	DTE Energy
	(In millions)
2022	$	15
2023	15
2024	15
2025	15
2026	11
2027 and thereafter	51
	$	122

Schedule of Property under Operating Leases

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

	2021		2020
	(In millions)
Gross property under operating leases	$	341	$	389
Accumulated amortization of property under operating leases	$	181	$	191

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, 2021 are as follows:

	DTE Energy
	(In millions)
2022	$	23
2023	22
2024	22
2025	21
2026	21
2027 and thereafter	271
Total minimum future lease receipts	380
Residual value of leased pipeline	17
Less unearned income	198
Net investment in finance lease	199
Less current portion	6
	$	193