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Price Risk Management Activities (Details) lb in Thousands, bu in Thousands, $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2018 USD ($) lb MBbls bu | Mar. 31, 2017 USD ($)
Price Risk Management Activities (Textual) |  |
Compliance program costs | $ | $ 206 | $ 146
Foreign Currency Contracts [Member] |  |
Price Risk Management Activities (Textual) |  |
Monetary notional amount of derivative liabilities | $ | $ 479 |
Foreign currency commitments maturity date | Apr. 30, 2018 |
Economic Hedges [Member] | Swap, 2018 Maturity [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 9,099 |
Economic Hedges [Member] | Swap, 2018 Maturity [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 8,636 |
Economic Hedges [Member] | Swap, 2019 Maturity [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 Hedges [Member] | Swap, 2019 Maturity [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 Hedges [Member] | Future, 2018 Maturity [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 99,455 |
Economic Hedges [Member] | Future, 2018 Maturity [Member] | Long (Purchases) [Member] | Corn (in bushels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | bu | 23,800 |
Economic Hedges [Member] | Future, 2018 Maturity [Member] | Long (Purchases) [Member] | Soybean Oil (in pounds) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, pounds | lb | 28,320 |
Economic Hedges [Member] | Future, 2018 Maturity [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 101,298 |
Economic Hedges [Member] | Future, 2018 Maturity [Member] | Short (Sales) [Member] | Corn (in bushels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | bu | 63,330 |
Economic Hedges [Member] | Future, 2018 Maturity [Member] | Short (Sales) [Member] | Soybean Oil (in pounds) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, pounds | lb | 89,819 |
Economic Hedges [Member] | Future, 2019 Maturity [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 Hedges [Member] | Future, 2019 Maturity [Member] | Long (Purchases) [Member] | Corn (in bushels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | bu | 125 |
Economic Hedges [Member] | Future, 2019 Maturity [Member] | Long (Purchases) [Member] | Soybean Oil (in pounds) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, pounds | lb | 0 |
Economic Hedges [Member] | Future, 2019 Maturity [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 Hedges [Member] | Future, 2019 Maturity [Member] | Short (Sales) [Member] | Corn (in bushels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | bu | 4,685 |
Economic Hedges [Member] | Future, 2019 Maturity [Member] | Short (Sales) [Member] | Soybean Oil (in pounds) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, pounds | lb | 0 |
Economic Hedges [Member] | Forward Contracts, 2018 Maturity [Member] | Long (Purchases) [Member] | Corn (in bushels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | bu | 35,069 |
Economic Hedges [Member] | Forward Contracts, 2019 Maturity [Member] | Long (Purchases) [Member] | Corn (in bushels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | bu | 4,759 |
Trading Derivatives [Member] | Swap, 2018 Maturity [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 300 |
Trading Derivatives [Member] | Swap, 2018 Maturity [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 300 |
Trading Derivatives [Member] | Swap, 2019 Maturity [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, 2019 Maturity [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, 2018 Maturity [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 35,329 |
Trading Derivatives [Member] | Future, 2018 Maturity [Member] | Long (Purchases) [Member] | Corn (in bushels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | bu | 250 |
Trading Derivatives [Member] | Future, 2018 Maturity [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 35,247 |
Trading Derivatives [Member] | Future, 2019 Maturity [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 2,675 |
Trading Derivatives [Member] | Future, 2019 Maturity [Member] | Long (Purchases) [Member] | Corn (in bushels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | bu | 0 |
Trading Derivatives [Member] | Future, 2019 Maturity [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 2,675 |
Trading Derivatives [Member] | Options Held, 2018 Maturity [Member] | Long (Purchases) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 112,500 |
Trading Derivatives [Member] | Options Held, 2018 Maturity [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 112,800 |
Trading Derivatives [Member] | Options Held, 2019 Maturity [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] | Options Held, 2019 Maturity [Member] | Short (Sales) [Member] | Crude Oil (in thousands of barrels) [Member] |  |
Volume of Outstanding Contracts |  |
Nonmonetary notional amount of price risk derivatives, volume | 0 |

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