Leases (Tables)

6 Months Ended

Jun. 30, 2019

Leases [Abstract]

Lease, Cost [Table Text Block]

The components of lease cost, included in Operation and maintenance expense on the Registrants’ respective Condensed Statements of Consolidated Income, are as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2019						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Operating lease cost	$	7	$	—	$	2	$	11	$	—	$	3
Short-term lease cost	18		3		—		23		5		—
Total lease cost	$	25	$	3	$	2	$	34	$	5	$	3

Supplemental Balance Sheet Information Related To Leases [Table Text Block]

Supplemental balance sheet information related to leases was as follows:

	June 30, 2019
	CenterPoint Energy			Houston Electric			CERC
	(in millions, except lease term and discount rate)
Assets:
Operating ROU assets (1)	$	72		$	1		$	26
Total leased assets	$	72		$	1		$	26
Liabilities:
Current operating lease liability (2)	$	22		$	—		$	5
Non-current operating lease liability (3)	50			1			21
Total leased liabilities	$	72		$	1		$	26
Weighted-average remaining lease term (in years) - operating leases	5.2			5.5			8.1
Weighted-average discount rate - operating leases	3.41		%	3.51		%	3.67		%

(1) Reported within Other assets in the Condensed Consolidated Balance Sheets.

(2) Reported within Current other liabilities in the Condensed Consolidated Balance Sheets.

(3)

Reported within Other liabilities in the Condensed Consolidated Balance Sheets.

Lessee, Operating Lease, Liability, Maturity [Table Text Block]

As of June 30, 2019, maturities of operating lease liabilities were as follows:

	CenterPoint Energy		Houston  Electric		CERC
	(in millions)
Remaining six months of 2019	$	14	$	—	$	3
2020	21		1		5
2021	15		—		4
2022	8		—		4
2023	7		—		3
2024	3		—		2
2025 and beyond	12		—		9
Total lease payments	80		1		30
Less: Interest	8		—		4
Present value of lease liabilities	$	72	$	1	$	26

Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]

The following table sets forth information concerning the Registrants’ obligations under non-cancelable long-term operating leases as of December 31, 2018:    

	CenterPoint Energy		Houston  Electric		CERC
	(in millions)
2019	$	6	$	1	$	5
2020	6		—		5
2021	5		—		4
2022	4		—		4
2023	3		—		3
2024 and beyond	12		—		11
Total (1)	$	36	$	1	$	32

(1) The Merger was completed on February 1, 2019. As such, these amounts are exclusive of Vectren’s leases.

Lessor, Operating Lease, Payments to be Received, Maturity [Table Text Block]

As of June 30, 2019, maturities of undiscounted operating lease payments to be received are as follows:

	CenterPoint Energy		Houston  Electric		CERC
	(in millions)
Remaining six months of 2019	$	2	$	—	$	—
2020	2		1		—
2021	2		—		—
2022	2		—		—
2023	2		—		—
2024	2		—		—
2025 and beyond	10		—		—
Total lease payments to be received	$	22	$	1	$	—

Other Information Related To Leases [Table Text Block]

Other information related to leases is as follows:

	Three Months Ended June 30,						Six Months Ended June 30,
	2019						2019
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Operating cash flows from operating leases included in the measurement of lease liabilities	$	7	$	—	$	1	$	12	$	1	$	2