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Derivatives and Risk Management Activities (Details 4) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Aug. 31, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | $ 36 |  | $ (41) | $ 14 | $ (53)
Commodity Derivatives | Supply and Logistics segment revenues |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | 56 |  | (21) | 54 | (29)
Commodity Derivatives | Transportation segment revenues |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | 2 |  |  | 6 |
Commodity Derivatives | Field operating costs |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | (9) |  | (2) | (11) | (3)
Interest Rate Derivatives | Interest expense |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | (4) |  | (1) | (9) | (4)
Foreign Currency Derivatives | Supply and Logistics segment revenues |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | (9) |  | (17) | (26) | (17)
Hedged Transactions No Longer Probable of Occurring | Interest expense |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Gain/(loss) reclassified from AOCI into income |  | $ (4) |  |  |
Derivatives in Hedging Relationships | Hedged Transactions No Longer Probable of Occurring | Interest expense |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Gain/(loss) reclassified from AOCI into income |  |  |  | (4) |
Derivatives in Hedging Relationships | Cash flow hedge |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Gain/(loss) reclassified from AOCI into income | 40 |  | (5) | 21 | (16)
Other gain/(loss) recognized in income | (2) |  |  |  |
Derivatives in Hedging Relationships | Cash flow hedge | Commodity Derivatives | Supply and Logistics segment revenues |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Gain/(loss) reclassified from AOCI into income | 42 |  | (4) | 30 | (12)
Derivatives in Hedging Relationships | Cash flow hedge | Interest Rate Derivatives | Interest expense |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Gain/(loss) reclassified from AOCI into income | (2) |  | (1) | (9) | (4)
Other gain/(loss) recognized in income | (2) |  |  |  |
Derivatives Not Designated as a Hedge |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | (2) |  | (36) | (7) | (37)
Derivatives Not Designated as a Hedge | Commodity Derivatives | Supply and Logistics segment revenues |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | 14 |  | (17) | 24 | (17)
Derivatives Not Designated as a Hedge | Commodity Derivatives | Transportation segment revenues |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | 2 |  |  | 6 |
Derivatives Not Designated as a Hedge | Commodity Derivatives | Field operating costs |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | (9) |  | (2) | (11) | (3)
Derivatives Not Designated as a Hedge | Foreign Currency Derivatives | Supply and Logistics segment revenues |  |  |  |  |
Impact of derivative activities recognized in earnings |  |  |  |  |
Total | $ (9) |  | $ (17) | $ (26) | $ (17)

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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/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5618551-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a),(c),(d),(e) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 + Details
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- Definition The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624177-113959 + Details
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