Leases - Narrative (Details) $ in Millions |
Jun. 30, 2020
USD ($)
renewal_option
|
Dec. 31, 2019
USD ($)
|
---|---|---|
Lessee, Lease, Description [Line Items] | ||
Lease liability | $ 267 | $ 234 |
Right of use assets, net | $ 257 | $ 223 |
Oahu Solar Partnership | ||
Lessee, Lease, Description [Line Items] | ||
Lease period | 35 years | |
Number of renewal options | renewal_option | 2 | |
Renewal period | 5 years | |
Lease liability | $ 20 | $ 21 |
Right of use assets, net | $ 18 | $ 19 |