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v3.20.2

(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
Related Party Transaction [Line Items] |  |  |  |  |
Investment in unconsolidated affiliate | $ 136 |  | $ 136 |  | $ 121
Equity in earnings of unconsolidated affiliate | 1 | $ 0 | 2 | $ 0 |
Advances from affiliates | 138 |  | 138 |  | 140
Receivables from affiliates | 6 |  | 6 |  | 12
Accounts payable to affiliates | $ 29 |  | $ 29 |  | $ 49
JCNolan [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Equity Method Investment, Ownership Percentage | 50.00% |  | 50.00% |  |
Wholesale motor fuel sales to affiliates [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Revenue from Related Parties | $ 37 | 0 | $ 49 | 1 |
Wholesale Motor Fuel [Member] |  |  |  |  |
Related Party Transaction [Line Items] |  |  |  |  |
Related Party Transaction, Purchases from Related Party | $ 120 | $ 103 | $ 439 | $ 282 |

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