v3.19.2

Leases Power plants subject to tolling contracts (Details) - USD ($) $ in Millions | Jun. 30, 2019 | Dec. 31, 2018
--- | --- | ---
Property, Plant and Equipment, Gross |  | $ 18,300 | $ 18,187
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment |  | 6,860 | 6,832
Property, plant and equipment, net |  | 12,051 | $ 12,442
Property Subject to Operating Lease [Member] |  |  |
Property, Plant and Equipment, Gross |  | 3,076 |
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment |  | 903 |
Property, plant and equipment, net | [1] | $ 2,173 |
[1] | Our assets subject to contracts that are accounted for as operating leases primarily consist of our power plants subject to tolling contracts.

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