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Derivatives and Risk Management Activities - Financial Impact (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | $ 106 | $ (198) | $ (324)
Supply and Logistics segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 127 | (180) | (345)
Transportation segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  |  | 5
Field operating costs |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (2) | (10) |
Depreciation and amortization |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  | (3) |
Interest expense, net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (5) | (18) | (14)
Other income/(expense), net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (14) | 13 | 30
Commodity Derivatives |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 148 | (201) | (337)
Foreign Currency Derivatives |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (23) | 8 | (3)
Preferred Distribution Rate Reset Option |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (14) | 13 | 30
Interest Rate Derivatives |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (5) | (18) | (14)
Derivatives in Hedging Relationships | Commodity Derivatives | Depreciation and amortization |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  | (3) |
Derivatives in Hedging Relationships | Commodity Derivatives | Interest expense, net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 | 0
Derivatives in Hedging Relationships | Foreign Currency Derivatives | Depreciation and amortization |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  | 0 |
Derivatives in Hedging Relationships | Foreign Currency Derivatives | Interest expense, net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 | 0
Derivatives in Hedging Relationships | Preferred Distribution Rate Reset Option | Depreciation and amortization |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  | 0 |
Derivatives in Hedging Relationships | Preferred Distribution Rate Reset Option | Interest expense, net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 | 0
Derivatives in Hedging Relationships | Interest Rate Derivatives | Depreciation and amortization |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  | 0 |
Derivatives in Hedging Relationships | Interest Rate Derivatives | Interest expense, net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (5) | (18) | (14)
Derivatives Not Designated as a Hedge | Commodity Derivatives | Supply and Logistics segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 150 | (188) | (342)
Derivatives Not Designated as a Hedge | Commodity Derivatives | Transportation segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  |  | 5
Derivatives Not Designated as a Hedge | Commodity Derivatives | Field operating costs |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (2) | (10) |
Derivatives Not Designated as a Hedge | Commodity Derivatives | Other income/(expense), net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 | 0
Derivatives Not Designated as a Hedge | Foreign Currency Derivatives | Supply and Logistics segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (23) | 8 | (3)
Derivatives Not Designated as a Hedge | Foreign Currency Derivatives | Transportation segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  |  | 0
Derivatives Not Designated as a Hedge | Foreign Currency Derivatives | Field operating costs |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 |
Derivatives Not Designated as a Hedge | Foreign Currency Derivatives | Other income/(expense), net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 | 0
Derivatives Not Designated as a Hedge | Preferred Distribution Rate Reset Option | Supply and Logistics segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 | 0
Derivatives Not Designated as a Hedge | Preferred Distribution Rate Reset Option | Transportation segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  |  | 0
Derivatives Not Designated as a Hedge | Preferred Distribution Rate Reset Option | Field operating costs |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 |
Derivatives Not Designated as a Hedge | Preferred Distribution Rate Reset Option | Other income/(expense), net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | (14) | 13 | 30
Derivatives Not Designated as a Hedge | Interest Rate Derivatives | Supply and Logistics segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 | 0
Derivatives Not Designated as a Hedge | Interest Rate Derivatives | Transportation segment revenues |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  |  | 0
Derivatives Not Designated as a Hedge | Interest Rate Derivatives | Field operating costs |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | 0 | 0 |
Derivatives Not Designated as a Hedge | Interest Rate Derivatives | Other income/(expense), net |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income | $ 0 | $ 0 | 0
Supply and Logistics | Derivatives Not Designated as a Hedge |  |  |
Impact of derivative activities recognized in earnings |  |  |
Total gain (loss) on derivatives recognized in net income |  |  | $ 2

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