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Revenue Recognition (Notes) | 9 Months Ended
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Sep. 30, 2018
Revenue Recognition and Deferred Revenue [Abstract] |
Revenue Recognition, Multiple-deliverable Arrangements [Table Text Block] | REVENUE RECOGNITION Revenue Recognition Revenue is recognized when obligations under the terms of a contract with customers are satisfied. Generally, this satisfaction of performance obligations and transfer of control occurs and revenues are recognized as electricity is delivered to customers, including any services provided. The prices charged, and amount of consideration PGE receives in exchange for its goods and services provided, are regulated by the Public Utility Commission of Oregon (OPUC) or the Federal Energy Regulatory Commission (FERC). PGE recognizes revenue through the following steps: i) identifying the contract with the customer; ii) identifying the performance obligations in the contract; iii) determining the transaction price; iv) allocating the transaction price to the performance obligations; and v) recognizing revenue when or as each performance obligation is satisfied. As a rate-regulated utility, PGE, in certain situations, recognizes revenue to be billed to customers in future periods or defers the recognition of certain revenues to the period in which the related costs are incurred or approved by the OPUC for amortization. For additional information, see “Regulatory Assets and Liabilities” in Note 3, Balance Sheet Components. Alternative Revenue Programs Revenues related to PGE’s decoupling mechanism and RAC are considered earned under alternative revenue programs, in accordance with the new revenue standard. Such revenues are presented separately from revenues from contracts with customers and classified as Alternative revenue programs, net of amortization on the condensed consolidated statements of income and comprehensive income, as these amounts represent a contract with the regulator and not with customers. The activity within this line item is comprised of current period deferral adjustments, which can either be a collection from or a refund to customers, and is net of any related amortization. When amounts related to alternative revenue programs are ultimately included in prices and customer bills, the amounts are included within Revenues, net, with an equal and offsetting amount of amortization recorded on the Alternative revenue programs, net of amortization line item. Disaggregated Revenue The following table presents PGE’s revenue, disaggregated by customer type (in millions):
| Three Months Ended September 30, 2018 |  | Nine Months Ended September 30, 2018
Retail: |  |  |
Residential | $ | 224 |  |  | $ | 699 |
Commercial | 171 |  |  | 484 |
Industrial | 55 |  |  | 138 |
Direct access customers | 9 |  |  | 32 |
Subtotal | 459 |  |  | 1,353 |
Alternative revenue programs, net of amortization | — |  |  | (2 | )
Other accrued (deferred) revenues, net(1) | (11 | ) |  | (38 | )
Total retail revenues | 448 |  |  | 1,313 |
Wholesale revenues(2) | 67 |  |  | 119 |
Other operating revenues | 10 |  |  | 35 |
Total revenues | $ | 525 |  |  | $ | 1,467 |
(1) Includes a regulatory liability deferral of $11 million and $36 million for the three and nine months ended September 30, 2018, respectively, related to the deferral of the 2018 net tax benefits due to the change in corporate tax rate under the TCJA. For further information, see Note 10, Income Taxes. (2) Wholesale revenues include $29 million and $35 million related to electricity commodity contract derivative settlements for the three and nine months ended September 30, 2018, respectively. Price risk management derivative activities are included within total revenues but do not represent revenues from contracts with customers pursuant to Topic 606. For further information, see Note 5, Risk Management. Retail Revenues The Company’s primary revenue source is generated through the sale of electricity to customers based on regulated tariff-based prices. Retail customers are classified as residential, commercial, or industrial. Residential customers include single family housing, multiple family housing (such as apartments, duplexes, and town homes), manufactured homes, and small farms. Residential demand is sensitive to the effects of weather, with demand highest during the winter heating season and summer cooling season. Commercial customers consist of non-residential customers who accept energy deliveries at voltages equivalent to those delivered to residential customers. Commercial customers include most businesses, small industrial companies, and public street and highway lighting accounts. Industrial customers consist of non-residential customers who accept delivery at higher voltages than commercial customers. Demand from industrial customers is primarily driven by economic conditions, with weather having little impact on energy use by this customer class. In accordance with state regulations, PGE’s retail customer prices are based on the Company’s cost of service and are determined through general rate case proceedings and various tariff filings with the OPUC. Additionally, the Company offers pricing options that include a daily market price option, various time-of-use options, and several renewable energy options for residential and small commercial customers. Retail revenue is billed based on monthly meter readings taken at various cycle dates throughout the month. At the end of each month, PGE estimates the revenue earned from energy deliveries that has not yet been billed to customers. This amount, which is classified as Unbilled revenues in the Company’s condensed consolidated balance sheets, is calculated based on actual net retail system load each month, the number of days from the last meter read date through the last day of the month, and current customer prices. PGE’s obligation to sell electricity to retail customers generally represents a single performance obligation representing a series of distinct goods that are substantially the same and have the same pattern of transfer to the customer that is satisfied over time as customers simultaneously receive and consume the benefits provided. PGE applies the invoice method to measure its progress towards satisfactorily completing its performance obligations to transfer each distinct delivery of electricity in the series to the customer. Pursuant to regulation by the OPUC, PGE is mandated to maintain several tariff schedules to collect funds from customers associated with activities for the benefit of the general public, such as conservation, low-income housing, energy efficiency, renewable energy programs, and privilege taxes. For such programs, PGE generally collects the funds and remits the amounts to third party agencies that administer the programs. In these arrangements, PGE is considered to be an agent, as PGE’s performance obligation is to facilitate a transaction between customers and the administrators of these programs. Therefore, such amounts are presented on a net basis and are not reflected in Revenues, net within the condensed consolidated statements of income and comprehensive income. Wholesale Revenues PGE participates in the wholesale electricity marketplace in order to balance its supply of power to meet the needs of its retail customers. Interconnected transmission systems in the western United States serve utilities with diverse load requirements and allow the Company to purchase and sell electricity within the region depending upon the relative price and availability of power, hydro and wind conditions, and daily and seasonal retail demand. The majority of PGE’s wholesale electricity sales is to utilities and power marketers, is predominantly short-term, and consists of a single performance obligation satisfied as energy is transferred to the counterparty. The Company may choose to net certain purchase and sale transactions in which it would simultaneously receive and deliver physical power with the same counterparty; in such cases, only the net amount of those purchases or sales required to meet retail and wholesale obligations will be physically settled and recorded in Wholesale Revenues. Other Operating Revenues Other operating revenues consist primarily of gains and losses on the sale of natural gas volumes purchased that exceeded what was needed to fuel the Company’s generating facilities, as well as revenues from transmission services, excess transmission capacity resales, excess fuel sales, utility pole attachment revenues, and other electric services provided to customers. Arrangements with Multiple Performance Obligations Certain contracts with customers, primarily wholesale, may include multiple performance obligations. For such arrangements, PGE allocates revenue to each performance obligation based on its relative standalone selling price. PGE generally determines standalone selling prices based on the prices charged to customers. Practical Expedients and Exemptions PGE does not disclose the value of unsatisfied performance obligations for: i) contracts with an original expected length of one year or less; and ii) contracts for which the Company recognizes revenue at the amount to which it has the right to invoice for goods delivered or services performed.

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- Definition Tabular disclosure of the recognition of revenue arrangements under which the entity does or will perform multiple revenue-generating activities, categorized by type of arrangement. This item includes certain revenue arrangements that include software elements. This item does not include multiple-deliverable arrangements for industries that prepare disclosures under specific requirements (for instance, construction-type and production-type contracts) otherwise provided for in the taxonomy. + References No definition available. + Details
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