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Revenue Recognition (Tables) | 9 Months Ended
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Sep. 30, 2019
Revenue Recognition and Deferred Revenue [Abstract] |
Disaggregation of Revenue [Table Text Block] | The following table presents PGE’s revenue, disaggregated by customer type (in millions):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2019 |  | 2018 |  | 2019 |  | 2018
Retail: |  |  |  |  |  |  |
Residential | $ | 218 |  |  | $ | 224 |  |  | $ | 713 |  |  | $ | 699 |
Commercial | 167 |  |  | 171 |  |  | 479 |  |  | 484 |
Industrial | 50 |  |  | 55 |  |  | 144 |  |  | 138 |
Direct access customers | 13 |  |  | 9 |  |  | 34 |  |  | 32 |
Subtotal | 448 |  |  | 459 |  |  | 1,370 |  |  | 1,353 |
Alternative revenue programs, net of amortization | 4 |  |  | — |  |  | 5 |  |  | (2 | )
Other accrued (deferred) revenues, net(1) | 4 |  |  | (11 | ) |  | 17 |  |  | (38 | )
Total retail revenues | 456 |  |  | 448 |  |  | 1,392 |  |  | 1,313 |
Wholesale revenues(2) | 72 |  |  | 67 |  |  | 125 |  |  | 119 |
Other operating revenues | 14 |  |  | 10 |  |  | 58 |  |  | 35 |
Total revenues | $ | 542 |  |  | $ | 525 |  |  | $ | 1,575 |  |  | $ | 1,467 |
(1) Amounts for the three months ended September 30, 2019 and 2018 primarily comprised of $6 million of amortization and $11 million of deferral, respectively, related to the 2018 net tax benefits due to the change in corporate tax rate under the TCJA. Amounts for the nine months ended September 30, 2019 and 2018 primarily comprised of $17 million of amortization and $36 million of deferral, respectively, related to the 2018 net tax benefits due to the change in corporate tax rate under the TCJA. (2) Wholesale revenues include $25 million and $29 million related to electricity commodity contract derivative settlements for the three months ended September 30, 2019 and 2018, respectively, and $38 million and $35 million, respectively, for the nine months ended September 30, 2019 and 2018. Price risk management derivative activities are included within total revenues but do not represent revenues from contracts with customers as defined by GAAP. For further information, see Note 5, Risk Management.

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045 + Details
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