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Solar Energy Systems, Net (Tables)
 12 Months Ended
Dec. 31, 2023
Leases [Abstract]  
Components of Solar Energy Systems, Net
Our solar energy systems, net, consisted of the following (in millions):
December 31,
2023		December 31,
2022
Solar energy systems in service$6,755 $6,785 
Initial direct costs related to customer solar energy system lease acquisition costs104 104 
6,859 6,889 
Less: accumulated depreciation and amortization (1)(1,643)(1,418)
5,216 5,471 
Solar energy systems under construction1 2 
Solar energy systems pending interconnection12 16 
Solar energy systems, net (2)$5,229 $5,489 
(1)Depreciation and amortization expense during the years ended December 31, 2023, 2022 and 2021 was $235 million, $235 million and $236 million, respectively.
(2)As of December 31, 2023 and 2022, there were $740 million and $802 million, respectively, of gross solar energy systems under lease pass-through fund arrangements with accumulated depreciation of $157 million and $148 million, respectively.