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Investments Accounted for by the Equity Method and Variable Interest Entities - DGPV Holdco 3 LLC (Details) $ in Millions | 6 Months Ended | 9 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) | Sep. 30, 2020 USD ($) MW | Sep. 30, 2019 USD ($) | Nov. 02, 2020 MW | May 29, 2020 USD ($) | May 28, 2020 USD ($) | Dec. 31, 2019 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Removal of investment |  | $ (1,001) |  |  |  |  | $ (1,183)
Current assets |  | 773 |  |  |  |  | 608
Property, plant and equipment |  | 6,165 |  |  |  |  | 6,063
Intangible assets |  | 1,371 |  |  |  |  | 1,428
Other non-current assets |  | 75 |  |  |  |  | 103
Total Assets |  | 9,725 |  |  |  |  | 9,700
Total Liabilities |  | 7,488 |  |  |  |  | $ 7,437
Investment of cash |  | $ 11 | $ 14 |  |  |  |
DGPV Holdco 3 |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Power generation capacity, megawatts | MW |  | 113 |  |  |  |  |
Weighted average remaining contract life |  | 21 years |  |  |  |  |
Allocations of taxable income after (as a percentage) |  |  |  |  | 99.00% |  |
Removal of investment |  |  |  |  |  | $ 155 |
Current assets |  |  |  |  | $ 32 |  |
Property, plant and equipment |  | $ 329 |  |  | 331 |  |
Intangible assets |  | 1 |  |  | 1 |  |
Other non-current assets |  |  |  |  | 37 |  |
Total Assets |  | 391 |  |  | 401 |  |
Debt |  |  |  |  | 206 |  |
Other current and non-current liabilities |  |  |  |  | 84 |  |
Total Liabilities |  | 276 |  |  | 290 |  |
Noncontrolling interests and redeemable noncontrolling interests |  | 3 |  |  | 6 |  |
Net assets less noncontrolling interests |  | $ 112 |  |  | $ 105 |  |
Investment of cash | $ 10 |  |  |  |  |  |
DGPV Holdco 3 | Subsequent Event |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Power generation capacity, megawatts | MW |  |  |  | 286 |  |  |

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