XML 19 R7.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Balance Sheet Components | 12 Months Ended
--- | ---
Dec. 31, 2021
Balance Sheet Components [Abstract] |
Balance Sheet Components | BALANCE SHEET COMPONENTS Accounts Receivable, Net Accounts receivable, net includes $117 million and $97 million of unbilled revenues as of December 31, 2021 and 2020, respectively. Accounts receivable is net of an allowance for uncollectible accounts of $26 million as of December 31, 2021 and $16 million as of December 31, 2020. The following is the activity in the allowance for uncollectible accounts (in millions):
| Years Ended December 31,
| 2021 |  | 2020 |  | 2019
Balance as of beginning of year | $ | 16 |  |  | $ | 5 |  |  | $ | 15 |
Increase in provision * | 35 |  |  | 15 |  |  | 2 |
Amounts written off, less recoveries | (25) |  |  | (4) |  |  | (12) |
Balance as of end of year | $ | 26 |  |  | $ | 16 |  |  | $ | 5 |
* PGE has deferred as a regulatory asset $29 million and $8 million in bad debt expense pursuant to the OPUC’s COVID-19 deferral order as of December 31, 2021 and December 31, 2020, respectively. Other Current Assets and Accrued Expenses and Other Current Liabilities Other current assets and Accrued expenses and other current liabilities consist of the following (in millions):
| As of December 31,
| 2021 |  | 2020
Other current assets: |  |  |
Prepaid expenses | $ | 66 |  |  | $ | 57 |
Margin deposits | 37 |  |  | 8 |
Assets from price risk management activities | 102 |  |  | 33 |
| $ | 205 |  |  | $ | 98 |
Accrued expenses and other current liabilities: |  |  |
Regulatory liabilities—current | $ | 106 |  |  | $ | 23 |
Accrued employee compensation and benefits | 67 |  |  | 67 |
Accrued dividends payable | 40 |  |  | 38 |
Accrued interest payable | 29 |  |  | 29 |
Accrued taxes payable | 46 |  |  | 36 |
Margin deposits from wholesale counterparties | 58 |  |  | — |
Other | 111 |  |  | 129 |
| $ | 457 |  |  | $ | 322 |
Electric Utility Plant, Net Electric utility plant, net consist of the following (in millions):
| As of December 31,
| 2021 |  | 2020
Electric utility plant: |  |  |
Generation | $ | 4,649 |  |  | $ | 4,436 |
Transmission | 1,012 |  |  | 970 |
Distribution | 4,469 |  |  | 4,136 |
General | 914 |  |  | 679 |
Intangible | 794 |  |  | 753 |
Total in service | 11,838 |  |  | 10,974 |
Accumulated depreciation and amortization | (4,146) |  |  | (3,864) |
Total in service, net | 7,692 |  |  | 7,110 |
Construction work-in-progress | 313 |  |  | 429 |
Electric utility plant, net | $ | 8,005 |  |  | $ | 7,539 |

X
- Definition Balance Sheet Components [Abstract] + References No definition available. + Details
Name: | por_BalanceSheetComponentsAbstract
Namespace Prefix: | por_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Details of Certain Balance Sheet Accounts + References No definition available. + Details
Name: | por_DetailsOfCertainBalanceSheetAccountsDisclosureTextBlock
Namespace Prefix: | por_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration