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Leases Leases (Tables) | 6 Months Ended
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Jun. 30, 2019
Leases [Abstract] |
Lease Cost [Table Text Block] | The components of lease cost were as follows (in millions):
| Three Months Ended June 30, 2019 |  | Six Months Ended June 30, 2019
Operating lease cost | $ | 2 |  |  | $ | 3 |
Finance lease cost: |  |  |
Amortization of right-of-use assets | $ | 1 |  |  | $ | 1 |
Interest on lease liabilities | 1 |  |  | 1 |
Total finance lease cost | $ | 2 |  |  | $ | 2 |
Variable lease cost | $ | 2 |  |  | $ | 11 |
Supplemental Information [Table Text Block] | Supplemental information related to amounts and presentation of leases in the condensed consolidated balance sheets is presented below (in millions):
| Balance Sheet Classification | June 30, 2019
Operating Leases: |  |
Operating lease right-of-use assets | Other noncurrent assets | $ | 40 |
Current liabilities | Accrued expenses and other current liabilities | 5 |
Noncurrent liabilities | Other noncurrent liabilities | 35 |
Total operating lease liabilities |  | $ | 40 |
Finance Leases: |  |
Finance lease right-of-use assets | Electric utility plant, net | $ | 153 |
Current liabilities | Current portion of finance lease obligations | 17 |
Noncurrent liabilities | Finance lease obligations, net of current portion | 137 |
Total finance lease liabilities |  | $ | 154 |
Lease Term and Discount Rate [Table Text Block] | Lease term and discount rates were as follows:
| June 30, 2019
Weighted Average Remaining Lease Term |
Operating leases | 30 years |
Finance leases | 30 years |
Weighted Average Discount Rate |
Operating leases | 3.8 | %
Finance leases | 7.3 | %
Maturities of Lease Liabilities [Table Text Block] | As of June 30, 2019, maturities of lease liabilities were as follows (in millions):
| Operating Leases |  | Finance Leases
2019 | $ | 3 |  |  | $ | 9 |
2020 | 5 |  |  | 16 |
2021 | 5 |  |  | 16 |
2022 | 5 |  |  | 16 |
2023 | 5 |  |  | 14 |
Thereafter | 53 |  |  | 250 |
Total lease payments | 76 |  |  | 321 |
Less imputed interest | (36 | ) |  | (167 | )
Total | $ | 40 |  |  | $ | 154 |
Supplemental Cash Flow Information [Table Text Block] | Supplemental cash flow information related to leases was as follows (in millions):
| Six Months Ended June 30, 2019
Cash paid for amounts included in the measurement of lease liabilities*: |
Operating cash flows from operating leases | $ | 2 |
Right-of-use assets obtained in leasing arrangements: |
Operating leases | $ | 42 |
Finance leases | 154 |
Future Minimum Lease Payments [Table Text Block] | As of December 31, 2018, and pursuant to historical lease accounting under Topic 840, 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 | ) |  |  |  |
Noncurrent portion | $ | 47 |  |  |  |  |

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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://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating 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 supplemental cash flow information for the periods presented. + References No definition available. + Details
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- Definition Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=84164817&loc=d3e45280-112737 + Details
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- Definition Tabular disclosure of future minimum payments required in the aggregate and for each of the five succeeding fiscal years for operating leases having initial or remaining noncancelable lease terms in excess of one year and the total minimum rentals to be received in the future under noncancelable subleases as of the balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 + Details
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