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Leases Lease Obligations (Tables) | 12 Months Ended
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Dec. 31, 2019
Leases [Abstract] |
Lease, Cost [Table Text Block] | The components of lease cost were as follows (in millions):
| 2019
Operating lease cost | $ | 7 |
Finance lease cost: |
Amortization of right-of-use assets | $ | 3 |
Interest on lease liabilities | 6 |
Total finance lease cost | $ | 9 |
Variable lease cost | $ | 19 |
Lease term and discount rates were as follows:
| December 31, 2019
Weighted Average Remaining Lease Term |
Operating leases | 24 years |
Finance leases | 29 years |
Weighted Average Discount Rate |
Operating leases | 3.5 | %
Finance leases | 7.3 | %
Leases of Lessee Disclosure [Text Block] | Supplemental information related to amounts and presentation of leases in the consolidated balance sheets is presented below (in millions):
| Balance Sheet Classification | December 31, 2019
Operating Leases: |  |
Operating lease right-of-use assets | Other noncurrent assets | $ | 51 |
Current liabilities | Accrued expenses and other current liabilities | $ | 8 |
Noncurrent liabilities | Other noncurrent liabilities | 43 |
Total operating lease liabilities |  | $ | 51 |
Finance Leases: |  |
Finance lease right-of-use assets | Electric utility plant, net | $ | 150 |
Current liabilities | Current portion of finance lease obligations | $ | 16 |
Noncurrent liabilities | Finance lease obligations, net of current portion | 135 |
Total finance lease liabilities |  | $ | 151 |
Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] | As of December 31, 2019, maturities of lease liabilities were as follows (in millions):
| Operating Leases |  | Finance Leases
2020 | $ | 8 |  |  | $ | 16 |
2021 | 8 |  | 16
2022 | 8 |  | 16
2023 | 8 |  | 14
2024 | 7 |  | 14
Thereafter | 46 |  | 235
Total lease payments | 85 |  |  | 311 |
Less imputed interest | (34) |  | (160)
Total | $ | 51 |  |  | $ | 151 |
Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] | Supplemental cash flow information related to leases was as follows (in millions):
| December 31, 2019
Cash paid for amounts included in the measurement of lease liabilities: |
Operating cash flows from operating leases | $ | 7 |
Operating cash flows from finance leases | 5 |
Financing cash flows from finance leases | 4 |
Right-of-use assets obtained in leasing arrangements: |
Operating leases | $ | 56 |
Finance leases | 154 |
Contractual Obligation, Fiscal Year Maturity [Table Text Block] | As of December 31, 2018, PGE’s estimated future minimum lease payments pursuant to capital, build-to-suit, and operating leases for the following five years and thereafter are as follows (in millions):
| Future Minimum Lease Payments
| Capital Leases |  | Build-to-Suit |  | Operating Leases
2019 | $ | 6 |  |  | $ | 11 |  |  | $ | 4 |
2020 | 6 |  |  | 14 |  |  | 5 |
2021 | 6 |  |  | 13 |  |  | 5 |
2022 | 6 |  |  | 13 |  |  | 6 |
2023 | 5 |  |  | 13 |  |  | 7 |
Thereafter | 67 |  |  | 225 |  |  | 97 |
Total minimum lease payments | 96 |  |  | $ | 289 |  |  | $ | 124 |
Less imputed interest | (47 | ) |  |  |  |
Present value of net minimum lease payments | 49 |  |  |  |  |
Less current portion | (2 | ) |  |  |  |
Non-current portion | $ | 47 |  |  |  |  |

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- Definition Tabular disclosure of contractual obligation by timing of payment due. Includes, but is not limited to, long-term debt obligation, lease obligation, and purchase obligation. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph (a) -Subparagraph (5) + Details
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- Definition Tabular disclosure of undiscounted cash flows of finance lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to finance lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -URI http://asc.fasb.org/topic&trid=2208923 + Details
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- Definition Tabular disclosure of supplemental cash flow information for the periods presented. + References No definition available. + Details
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