v3.19.3.a.u2
Solar Energy Systems, Net - Components of Solar Energy Systems, Net (Detail) - Solar Energy Systems [Member] - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Property Plant And Equipment [Line Items]    
Solar energy systems in service $ 6,682 $ 6,431
Initial direct costs related to customer solar energy system lease acquisition costs 102 99
Solar energy systems, gross 6,784 6,530
Less: accumulated depreciation and amortization (723) (496)
Solar energy systems, gross, less accumulated depreciation and amortization 6,061 6,034
Solar energy systems under construction 18 68
Solar energy systems pending interconnection 59 169
Solar energy systems, net $ 6,138 $ 6,271