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.

X

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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