Balance Sheet Components (Tables)

9 Months Ended

Sep. 30, 2020

Balance Sheet Components [Abstract]

Allowance for Credit Losses [Text Block]

The following summarizes activity in the allowance for credit losses (in millions):

	Three Months Ended September 30, 2020		Nine Months Ended September 30, 2020
Balance as of beginning of period	$	12	$	5
Increase in provision	4		13
Amounts written off	(3)		(9)
Recoveries	1		5
Balance as of end of period	$	14	$	14

Schedule of Other Current Assets [Table Text Block]

Other current assets consist of the following (in millions):

	September 30, 2020		December 31, 2019
Prepaid expenses	$	44	$	63
Assets from price risk management activities	57		25
Margin deposits	22		16
Other current assets	$	123	$	104

Schedule of Public Utility Property, Plant, and Equipment [Table Text Block]

Electric utility plant, net consists of the following (in millions):

	September 30, 2020		December 31, 2019
Electric utility plant	$	11,202	$	10,928
Construction work-in-progress	473		328
Total cost	11,675		11,256
Less: accumulated depreciation and amortization	(4,304)		(4,095)
Electric utility plant, net	$	7,371	$	7,161

Schedule of Regulatory Assets and Liabilities [Text Block]

Regulatory assets and liabilities consist of the following (in millions):

	September 30, 2020					December 31, 2019
	Current			Noncurrent		Current			Noncurrent
Regulatory assets:
Price risk management (1)	$	—		$	114	$	—		$	95
Pension and other postretirement plans	—			200		—			213
Debt issuance costs	—			26		—			26
Trojan decommissioning activities	—			95		—			94
Other	8			92		17			55
Total regulatory assets	$	8		$	527	$	17		$	483
Regulatory liabilities:
Asset retirement removal costs	$	—		$	1,005	$	—		$	1,021
Deferred income taxes	—			246		—			260
Asset retirement obligations	—			55		—			54
Tax Reform deferral	6			—		23			—
Price risk management (1)	39			—		2			—
Other	20			69		19			42
Total regulatory liabilities	$	65	(2)	$	1,375	$	44	(2)	$	1,377

(1)For the nine months ended September 30, 2020, PGE’s actual net variable power costs (NVPC) were $70 million above the prescribed “deadband” limit of $30 million pursuant to the Company’s power cost adjustment mechanism (PCAM). PGE will not be pursuing regulatory recovery for amounts related to trading positions that resulted in realized losses of $127 million during the third quarter of 2020. The Company no longer has net market exposure from these energy trading positions. As of September 30, 2020, all other outstanding positions and related regulatory accounting deferrals have been recorded in accordance with accounting for rate-regulated enterprises.

(2)Included in Accrued expenses and other current liabilities in the condensed consolidated balance sheets.

Other Liabilities Disclosure [Text Block]

Accrued expenses and other current liabilities consist of the following (in millions):

	September 30, 2020		December 31, 2019
Accrued employee compensation and benefits	$	63	$	74
Accrued taxes payable	57		33
Accrued interest payable	43		25
Accrued dividends payable	37		36
Regulatory liabilities—current	65		44
Other	103		103
Total accrued expenses and other current liabilities	$	368	$	315

Pension and Other Postretirement Benefits Disclosure [Text Block]

Components of net periodic benefit cost under the defined benefit pension plan are as follows (in millions):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2020		2019		2020		2019
Service cost	$	4	$	4	$	12	$	12
Interest cost*	8		8		24		25
Expected return on plan assets*	(11)		(10)		(33)		(30)
Amortization of net actuarial loss*	4		3		12		8
Net periodic benefit cost	$	5	$	5	$	15	$	15

* The expense portion of non-service cost components are included in Miscellaneous income (loss), net within Other income on the Company’s condensed consolidated statements of income and comprehensive income.