v3.20.2

Variable Interest Entities and Unconsolidated Investments (Unconsolidated VIEs) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019 | Dec. 31, 2019
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Return on investments from unconsolidated subsidiaries |  |  |  | $ 0 | $ 11 |
Equity method investment, ownership percentage |  | 50.00% |  | 50.00% |  |
Equity method investments |  | $ 67 |  | $ 67 |  | $ 70
Greenfield |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Return on investments from unconsolidated subsidiaries |  |  |  | $ 0 |  |
Equity method investment, ownership percentage |  | 50.00% |  | 50.00% |  |
Equity method investments | [1] | $ 63 |  | $ 63 |  | 66
Calpine Receivables |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Equity method investment, ownership percentage |  | 100.00% |  | 100.00% |  |
Equity method investments |  | $ 4 |  | $ 4 |  | $ 4
Whitby |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |
Return on investments from unconsolidated subsidiaries |  |  | $ 0 |  | $ 11 |
[1] | Includes our share of AOCI related to interest rate hedging instruments associated with our unconsolidated subsidiary Greenfield LP’s debt.

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