Leases (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Components of Lease Cost and Other Information Related to Leases

The components of lease cost for the year ended December 31, 2019 were as follows:

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

Other information related to leases for the year ended December 31, 2019 were as follows:

	DTE Energy		DTE Electric
	(In millions)
Supplemental Cash Flows Information
Cash paid for amounts included in the measurement of these liabilities:
Operating cash flows for finance leases	$	5	$	5
Operating cash flows for operating leases	$	40	$	16
Right-of-use assets obtained in exchange for lease obligations:
Operating leases	$	68	$	27
Finance leases	$	8	$	—
Weighted Average Remaining Lease Term
Operating leases	9.7 years		10.6 years
Finance leases	9.1 years		2.0 years
Weighted Average Discount Rate
Operating leases	3.5%		3.3%
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 December 31, 2019 were as follows:

	DTE Energy						DTE Electric
	Operating Leases			Finance Leases			Operating Leases			Finance Leases
	(In millions)
2020	$	38		$	5		$	14		$	3
2021	30			5			13			4
2022	26			1			12			—
2023	20			1			10			—
2024	12			1			8			—
2025 and thereafter	67			4			38			—
Total future minimum lease payments	193			17			95			7
Imputed interest	(33		)	(2		)	(16		)	—
	$	160		$	15		$	79		$	7

Schedule of Maturities of Finance Leases

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

	DTE Energy						DTE Electric
	Operating Leases			Finance Leases			Operating Leases			Finance Leases
	(In millions)
2020	$	38		$	5		$	14		$	3
2021	30			5			13			4
2022	26			1			12			—
2023	20			1			10			—
2024	12			1			8			—
2025 and thereafter	67			4			38			—
Total future minimum lease payments	193			17			95			7
Imputed interest	(33		)	(2		)	(16		)	—
	$	160		$	15		$	79		$	7

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
	December 31, 2019
	(In millions)
Right-of-use assets, within Property, plant, and equipment, net	$	15	$	7
Current lease liabilities, within Current Liabilities — Other	$	4	$	3

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

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

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

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

Schedule of property under capital leases

The following is a summary of Depreciation and amortization expense for DTE Energy:

	2019		2018		2017
	(In millions)
Property, plant, and equipment	$	997	$	878	$	829
Regulatory assets and liabilities	227		212		165
Intangible assets	33		27		29
Other	6		7		7
	$	1,263	$	1,124	$	1,030

The following is a summary of Depreciation and amortization expense for DTE Electric:

	2019		2018		2017
	(In millions)
Property, plant, and equipment	$	748	$	652	$	615
Regulatory assets and liabilities	193		179		133
Other	5		5		5
	$	946	$	836	$	753

The following is a summary of Property, plant, and equipment by classification as of December 31:

	2019			2018
Property, plant, and equipment	(In millions)
DTE Electric
Generation	$	12,028		$	11,027
Distribution	9,715			9,153
Other	2,536			2,567
Total DTE Electric	24,279			22,747
DTE Gas
Distribution	4,164			3,823
Storage	570			548
Transmission and other	1,244			1,204
Total DTE Gas	5,978			5,575
Non-utility and other
Gas Storage and Pipelines	3,524			2,307
Power and Industrial Projects	1,108			1,070
Other	183			111
Non-utility and other	4,815			3,488
Total DTE Energy	35,072			31,810
Accumulated depreciation and amortization
DTE Electric
Generation	(3,460		)	(3,609		)
Distribution	(2,553		)	(2,974		)
Other	(693		)	(727		)
Total DTE Electric	(6,706		)	(7,310		)
DTE Gas
Distribution	(1,334		)	(1,283		)
Storage	(172		)	(165		)
Transmission and other	(409		)	(404		)
Total DTE Gas	(1,915		)	(1,852		)
Non-utility and other
Gas Storage and Pipelines	(459		)	(390		)
Power and Industrial Projects	(604		)	(546		)
Other	(71		)	(62		)
Non-utility and other	(1,134		)	(998		)
Total DTE Energy	(9,755		)	(10,160		)
Net DTE Energy Property, plant, and equipment	$	25,317		$	21,650
Net DTE Electric Property, plant, and equipment	$	17,573		$	15,437

Property under capital leases for the Registrants as of December 31, 2018 were as follows:

	DTE Energy		DTE Electric
	(In millions)
Gross property under capital leases	$	18	$	18
Accumulated amortization of property under capital leases	$	7	$	7

Schedule of Lease Income Associated with Operating Leases

DTE Energy’s lease income associated with operating leases was as follows for the year ended December 31, 2019:

	DTE Energy
	(In millions)
Fixed payments(a)	$	65
Variable payments(a)	128
	$	193

_______________________________________

(a)

Includes $130 million of lease payments reported in Operating Revenues and $63 million of lease payments reported in Other income on DTE Energy's Consolidated Statements of Operations.

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, 2019 were as follows:

	DTE Energy
	(In millions)
2020	$	64
2021	62
2022	22
2023	22
2024	22
2025 and thereafter	194
	$	386

Schedule of Property under Operating Leases - Topic 842

Property under operating leases for DTE Energy as of December 31, 2019 were as follows:

	DTE Energy
	(In millions)
Gross property under operating leases	$	445
Accumulated amortization of property under operating leases	$	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, 2019 were as follows:

	DTE Energy
	(In millions)
2020	$	9
2021	4
2022	4
2023	5
2024	5
2025 and thereafter	55
Total minimum future lease receipts	82
Residual value of leased pipeline	19
Less unearned income	55
Net investment in finance lease	46
Less current portion	5
	$	41

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