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Leases (Summary of Other Information) (Details) - Southern California Edison $ in Millions | 9 Months Ended
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Sep. 30, 2019 USD ($)
Cash paid for amounts included in the measurement of lease liabilities: |
Other operating leases | $ 23
PPA Finance leases, Weighted average remaining lease term (in years) | 11 years 8 months 15 days
PPA Finance leases, Weighted average discount rate | 8.74%
PPA Operating Leases |
Cash paid for amounts included in the measurement of lease liabilities: |
Operating cash flows from operating leases | $ 98
Weighted average remaining lease term (in years) | 16 years 10 days
Weighted average discount rate | 4.44%
Other Operating Leases |
Cash paid for amounts included in the measurement of lease liabilities: |
Operating cash flows from operating leases | $ 34
Weighted average remaining lease term (in years) | 12 years 9 months
Weighted average discount rate | 3.89%

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