Supplemental Disclosure of Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2019

Supplemental Cash Flow Elements [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

The table below provides supplemental disclosure of cash flow information:

	Six Months Ended June 30,
	2019						2018
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash Payments/Receipts:
Interest, net of capitalized interest	$	231	$	113	$	55	$	167	$	90	$	50
Income taxes (refunds), net	142		73		3		88		120		3
Non-cash transactions:
Accounts payable related to capital expenditures	173		86		72		133		75		69
ROU assets obtained in exchange for lease liabilities (1)	42		1		28		—		—		—

(1) Includes the transition impact of adoption of ASU 2016-02 Leases.

The table below provides a reconciliation of cash, cash equivalents and restricted cash reported in the Condensed Consolidated Balance Sheets to the amount reported in the Condensed Statements of Consolidated Cash Flows:

	June 30, 2019						December 31, 2018
	CenterPoint Energy		Houston Electric		CERC		CenterPoint Energy		Houston Electric		CERC
	(in millions)
Cash and cash equivalents	$	271	$	260	$	1	$	4,231	$	335	$	14
Restricted cash included in Prepaid expenses and other current assets	61		33		4		46		34		11
Restricted cash included in Other	—		—		—		1		1		—
Total cash, cash equivalents and restricted cash shown in Condensed Statements of Consolidated Cash Flows	$	332	$	293	$	5	$	4,278	$	370	$	25