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Price Risk Management Activities (Details) lb in Thousands, bu in Thousands, $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Apr. 30, 2017 | Mar. 31, 2017 USD ($) lb bu MBbls | Mar. 31, 2016 USD ($)
Price Risk Management Activities (Textual) |  |  |
Compliance program costs | $ |  | $ 146 | $ 161
Foreign Currency Contracts [Member] |  |  |
Price Risk Management Activities (Textual) |  |  |
Monetary notional amount of derivative liabilities | $ |  | $ 350 |
Foreign Currency Contracts [Member] | Subsequent Event [Member] |  |  |
Price Risk Management Activities (Textual) |  |  |
Foreign currency commitments maturity date | Apr. 30, 2017 |  |
Economic Hedging [Member] | Swap, Maturity Current Year [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 22,246 |
Economic Hedging [Member] | Swap, Maturity Current Year [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 22,660 |
Economic Hedging [Member] | Swap, Maturity Year Two [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 0 |
Economic Hedging [Member] | Swap, Maturity Year Two [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 0 |
Economic Hedging [Member] | Future, Maturity Current Year [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 110,287 |
Economic Hedging [Member] | Future, Maturity Current Year [Member] | Long (Purchases) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 18,040 |
Economic Hedging [Member] | Future, Maturity Current Year [Member] | Long (Purchases) [Member] | Soybean Oil (in pounds) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, pounds | lb |  | 125,338 |
Economic Hedging [Member] | Future, Maturity Current Year [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 115,080 |
Economic Hedging [Member] | Future, Maturity Current Year [Member] | Short (Sales) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 40,575 |
Economic Hedging [Member] | Future, Maturity Current Year [Member] | Short (Sales) [Member] | Soybean Oil (in pounds) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, pounds | lb |  | 158,758 |
Economic Hedging [Member] | Future, Maturity Year Two [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 2,100 |
Economic Hedging [Member] | Future, Maturity Year Two [Member] | Long (Purchases) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 5 |
Economic Hedging [Member] | Future, Maturity Year Two [Member] | Long (Purchases) [Member] | Soybean Oil (in pounds) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, pounds | lb |  | 0 |
Economic Hedging [Member] | Future, Maturity Year Two [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 6,981 |
Economic Hedging [Member] | Future, Maturity Year Two [Member] | Short (Sales) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 2,185 |
Economic Hedging [Member] | Future, Maturity Year Two [Member] | Short (Sales) [Member] | Soybean Oil (in pounds) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, pounds | lb |  | 0 |
Economic Hedging [Member] | Forward Contracts, Maturity Current Year [Member] | Long (Purchases) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 16,273 |
Economic Hedging [Member] | Forward Contracts, Maturity Year Two [Member] | Long (Purchases) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 2,177 |
Trading Derivatives [Member] | Swap, Maturity Current Year [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 3,105 |
Trading Derivatives [Member] | Swap, Maturity Current Year [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 3,105 |
Trading Derivatives [Member] | Swap, Maturity Year Two [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 0 |
Trading Derivatives [Member] | Swap, Maturity Year Two [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 0 |
Trading Derivatives [Member] | Future, Maturity Current Year [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 24,358 |
Trading Derivatives [Member] | Future, Maturity Current Year [Member] | Long (Purchases) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 2,250 |
Trading Derivatives [Member] | Future, Maturity Current Year [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 22,304 |
Trading Derivatives [Member] | Future, Maturity Current Year [Member] | Short (Sales) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 2,000 |
Trading Derivatives [Member] | Future, Maturity Year Two [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 4,300 |
Trading Derivatives [Member] | Future, Maturity Year Two [Member] | Long (Purchases) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 0 |
Trading Derivatives [Member] | Future, Maturity Year Two [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 6,400 |
Trading Derivatives [Member] | Future, Maturity Year Two [Member] | Short (Sales) [Member] | Grain (in bushels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume | bu |  | 0 |
Trading Derivatives [Member] | Options Held, Maturity Current Year [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 106,990 |
Trading Derivatives [Member] | Options Held, Maturity Current Year [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 104,990 |
Trading Derivatives [Member] | Options Held, Maturity Year Two [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 29,700 |
Trading Derivatives [Member] | Options Held, Maturity Year Two [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |  |
Volume of Outstanding Contracts |  |  |
Nonmonetary notional amount of price risk derivatives, volume |  | 29,700 |

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