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Derivatives and Risk Management Activities - Financial Impact (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Impact of derivative activities recognized in earnings |  |  |  |
Total gain/(loss) on derivatives recognized in net income | $ (339) | $ 93 | $ (391) | $ 182
Commodity Derivatives | Supply and Logistics segment revenues |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Total gain/(loss) on derivatives recognized in net income | (339) | 99 | (384) | 195
Commodity Derivatives | Field operating costs |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Total gain/(loss) on derivatives recognized in net income |  | (1) | 1 | (4)
Commodity Derivatives | Depreciation and amortization |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Total gain/(loss) on derivatives recognized in net income |  | (3) |  | (3)
Interest Rate Derivatives | Interest expense, net |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Total gain/(loss) on derivatives recognized in net income | (2) | (4) | (1) | (6)
Foreign Currency Derivatives | Supply and Logistics segment revenues |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Total gain/(loss) on derivatives recognized in net income | (6) |  | (12) | 2
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 | 8 | 2 | 5 | (2)
Derivatives in Hedging Relationships |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Total gain/(loss) on derivatives recognized in net income | (2) | (7) | (1) | (9)
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) |  | (3)
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 | (2) | (4) | (1) | (6)
Derivatives Not Designated as a Hedge |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |
Total gain/(loss) on derivatives recognized in net income | (337) | 100 | (390) | 191
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 | (339) | 99 | (384) | 195
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 |  | (1) | 1 | (4)
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 | (6) |  | (12) | 2
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 | $ 8 | $ 2 | $ 5 | $ (2)

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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