XML 127 R91.htm IDEA: XBRL DOCUMENT
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FAIR VALUE MEASUREMENT (Details) (USD $) In Millions, unless otherwise specified |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 Bank Time Deposits [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Natural Gas Swaps [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Natural Gas Swaps [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Natural Gas Swaps [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Natural Gas Swaps [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Natural Gas Swaps [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper Forward Contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper Forward Contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper Forward Contracts [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper Forward Contracts [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper Forward Contracts [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Warrant [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Warrant [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Warrant [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Warrant [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Warrant [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Fair Value, Measurements, Recurring [Member] Bank Time Deposits [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2013 McMoRan Exploration Co [Member] | Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Carrying Amount, Fair Value Disclosure [Member] | Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Estimate of Fair Value, Fair Value Disclosure [Member] | Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 1 [Member] | Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 2 [Member] | Dec. 31, 2012 McMoRan Exploration Co [Member] Fair Value, Measurements, Recurring [Member] Cost-method investments [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Crude Oil Options [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2012 Crude Oil Options [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member] | Dec. 31, 2013 Crude Oil Options [Member] Minimum [Member] Fair Value, Measurements, Recurring [Member] Fair Value, Inputs, Level 3 [Member]
Investment securities (current and long-term): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment securities |  |  |  |  |  | $ 44 | [1],[2] | $ 492 |  | $ 44 | [1],[2] | $ 585 |  | $ 23 | [1],[2] | $ 24 |  | $ 21 | [1],[2] | $ 561 |  | $ 0 | [1],[2] | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 21 | [1],[2] | $ 22 | [1],[2] | $ 21 | [1],[2] | $ 22 | [1],[2] | $ 0 | [1],[2] | $ 0 | [1],[2] | $ 21 | [1],[2] | $ 22 | [1],[2] | $ 0 | [1],[2] | $ 0 | [1],[2] | $ 18 | [1],[2] | $ 16 | [1],[2] | $ 18 | [1],[2] | $ 16 | [1],[2] | $ 18 | [1],[2] | $ 16 | [1],[2] | $ 0 | [1],[2] | $ 0 | [1],[2] | $ 0 | [1],[2] | $ 0 | [1],[2] | $ 5 | [1],[2] | $ 8 | [1],[2] | $ 5 | [1],[2] | $ 8 | [1],[2] | $ 5 | [1],[2] | $ 8 | [1],[2] | $ 0 | [1],[2] | $ 0 | [1],[2] | $ 0 | [1],[2] | $ 0 | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 446 | [3] | $ 539 | [3] | $ 0 | [3] | $ 539 | [3] | $ 0 | [3] |  |  |
Legally restricted funds (long-term): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Legally restricted funds |  |  |  |  |  | 182 | [1],[2],[4] | 163 | [1],[2] | 182 | [1],[2],[4] | 163 | [1],[2] | 28 | [1],[2],[4] | 7 | [1],[2] | 154 | [1],[2],[4] | 156 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48 | [1],[2],[4] | 50 | [1],[2] | 48 | [1],[2],[4] | 50 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 48 | [1],[2],[4] | 50 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 28 | [1],[2],[4] | 7 | [1],[2] | 28 | [1],[2],[4] | 7 | [1],[2] | 28 | [1],[2],[4] | 7 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 34 | [1],[2],[4] | 36 | [1],[2] | 34 | [1],[2],[4] | 36 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 34 | [1],[2],[4] | 36 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 28 | [1],[2],[4] | 30 | [1],[2] | 28 | [1],[2],[4] | 30 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 28 | [1],[2],[4] | 30 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 28 | [1],[2],[4] | 24 | [1],[2] | 28 | [1],[2],[4] | 24 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 28 | [1],[2],[4] | 24 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 15 | [1],[2],[4] | 15 | [1],[2] | 15 | [1],[2],[4] | 15 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 15 | [1],[2],[4] | 15 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 1 | [1],[2],[4] | 1 | [1],[2] | 1 | [1],[2],[4] | 1 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] | 1 | [1],[2],[4] | 1 | [1],[2] | 0 | [1],[2],[4] | 0 | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Asset | 59 |  | 33 |  |  | 69 | [2],[5] | 41 | [2],[5] | 69 | [2],[5] | 41 | [2],[5] | 5 | [2],[5] | 5 | [2],[5] | 64 | [2],[5] | 36 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 63 | [2],[5] | 36 | [2],[5] | 63 | [2],[5] | 36 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] | 63 | [2],[5] | 36 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] | 6 | [2],[5] | 5 | [2],[5] | 6 | [2],[5] | 5 | [2],[5] | 5 | [2],[5] | 5 | [2],[5] | 1 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  |  |  |  | 295 |  | 789 |  | 56 |  | 36 |  | 239 |  | 753 |  | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives: [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative Liability | 320 |  | 20 |  |  | 332 | [2] | 28 | [2],[5] | 332 | [2] | 28 | [2],[5] | 1 | [2] | 1 | [2],[5] | 20 | [2] | 27 | [2],[5] | 311 | [2] | 0 | [2],[5] | 16 | [2],[5] | 27 | [2],[5] | 16 | [2],[5] | 27 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] | 16 | [2],[5] | 27 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] | 309 | [2],[5] | 309 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] | 309 | [2],[5] | 4 | [2] | 4 | [2] | 0 | [2] | 4 | [2] | 0 | [2] | 1 | [2],[5] | 1 | [2],[5] | 1 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] | 1 | [2],[5] | 1 | [2],[5] | 1 | [2],[5] | 0 | [2],[5] | 0 | [2],[5] | 2 | [2],[6] | 2 | [2],[6] | 0 | [2],[6] | 0 | [2],[6] | 2 | [2],[6] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (309) | 0 |
Long-term debt, including current portion |  |  |  |  |  | 20,706 | [7] | 3,527 | [7] | 20,487 | [7] | 3,589 | [7] | 0 | [7] | 0 | [7] | 20,487 | [7] | 3,589 | [7] | 0 | [7] | 0 | [7] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities |  |  |  |  |  |  |  |  |  | 20,819 |  | 3,617 |  | 1 |  | 1 |  | 20,507 |  | 3,616 |  | 311 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Legally restricted funds | $ 392 | [8] | $ 163 | [8] | $ 210 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 210 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Dividend Rate of Investee Preferred Stock |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.75% |  |  |  |  |  |  |  |  |  |  |  |  |
Fair Value Assumptions, Implied Volatility Rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17.00%
[1] | Current portion included in other current assets and long-term portion included in other assets.
[2] | Recorded at fair value.
[3] | Recorded at cost and included in other assets.
[4] | Legally restricted funds excluded $210 million of time deposits (which approximated fair value) at December 31, 2013, associated with the Cerro Verde royalty dispute (refer to Note 12 for further discussion).
[5] | rude oil options are net of $444 million for deferred premiums and accrued interest.
[6] | Included in other liabilities. Refer to Note 2 for further discussion.
[7] | Recorded at cost except for debt assumed in the PXP and FMC acquisitions, which were recorded at fair value at the respective acquisition dates.
[8] | Included $210 million (time deposit that secures a bank guarantee) associated with the Cerro Verde royalty dispute and $158 million for AROs related to properties in New Mexico at December 31, 2013, and $161 million for AROs related to properties in New Mexico at December 31, 2012 (refer to Note 12 for further discussion).

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