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Leases (Textual) (Details) - Southern California Edison $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) | Jun. 30, 2019 USD ($)
Lessee, Lease, Description [Line Items] |  |
Lease income | $ 5 | $ 10
Minimum |  |
Lessee, Lease, Description [Line Items] |  |
Term of contract | 15 years | 15 years
Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Term of contract | 65 years | 65 years
PPA leases | Minimum |  |
Lessee, Lease, Description [Line Items] |  |
Lease term | 10 years | 10 years
PPA leases | Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Lease term | 20 years | 20 years
Offices leases | Minimum |  |
Lessee, Lease, Description [Line Items] |  |
Lease term | 5 years | 5 years
Offices leases | Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Lease term | 72 years | 72 years
Other operating leases | Minimum |  |
Lessee, Lease, Description [Line Items] |  |
Lease term | 5 years | 5 years
Other operating leases | Maximum |  |
Lessee, Lease, Description [Line Items] |  |
Lease term | 12 years | 12 years

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- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Term of lessor's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 3 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919359-209981 + Details
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- Definition Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=119202524&loc=SL77919372-209981 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=77888421&loc=SL77919311-209978 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 6A -URI http://asc.fasb.org/extlink&oid=118952077&loc=SL77927221-108306 + Details
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