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Fair Value Measurement (Unaudited) (Details) (USD $) In Millions, unless otherwise specified |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 Months Ended |  |
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Jun. 30, 2013 | Dec. 31, 2012 | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Carrying Amount, Fair Value Disclosure [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Fair Value, Inputs, Level 1 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Fair Value, Inputs, Level 2 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude Oil Options [Member] Fair Value, Inputs, Level 3 [Member] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Copper futures and swap contracts [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Carrying Amount, Fair Value Disclosure [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Fair Value, Inputs, Level 1 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Fair Value, Inputs, Level 2 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Copper forward contracts [Member] Fair Value, Inputs, Level 3 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Plains Offshore Warrants [Member] Carrying Amount, Fair Value Disclosure [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Plains Offshore Warrants [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Plains Offshore Warrants [Member] Fair Value, Inputs, Level 1 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Plains Offshore Warrants [Member] Fair Value, Inputs, Level 2 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Plains Offshore Warrants [Member] Fair Value, Inputs, Level 3 [Member] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Money market funds [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] U.S. core fixed income fund [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Equity securities [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government mortgage-backed securities [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Corporate bonds [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Government bonds and notes [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Asset-backed securities [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Municipal bonds [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value Measurement [Member] | Dec. 31, 2012 Fair Value, Measurements, Recurring [Member] Embedded derivatives in provisional sales/purchases contracts [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude oil and natural gas swaps [Member] Carrying Amount, Fair Value Disclosure [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude oil and natural gas swaps [Member] Estimate of Fair Value Measurement [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude oil and natural gas swaps [Member] Fair Value, Inputs, Level 1 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude oil and natural gas swaps [Member] Fair Value, Inputs, Level 2 [Member] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Crude oil and natural gas swaps [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 Measurement [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] | Jun. 30, 2013 Fair Value, Measurements, Recurring [Member] Time Deposits [Member] Carrying Amount, Fair Value Disclosure [Member] | Jun. 30, 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 Measurement [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] | Jun. 30, 2013 Deferred Option Premiums and Accrued Interest [Member]
Investment securities (current and long-term): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Investment securities |  |  | $ 107 | [1],[2],[3] | $ 492 |  | $ 107 | [1],[2],[3] | $ 585 |  | $ 86 | [1],[2],[3] | $ 24 |  | $ 21 | [1],[2],[3] | $ 561 |  | $ 0 | [1],[2],[3] | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 80 | [1],[2],[3] | $ 16 | [1],[2] | $ 80 | [1],[2],[3] | $ 16 | [1],[2] | $ 80 | [1],[2],[3] | $ 16 | [1],[2] | $ 0 | [1],[2],[3] | $ 0 | [1],[2] | $ 0 | [1],[2],[3] | $ 0 | [1],[2] | $ 21 | [1],[2],[3] | $ 22 | [1],[2] | $ 21 | [1],[2],[3] | $ 22 | [1],[2] | $ 0 | [1],[2],[3] | $ 0 | [1],[2] | $ 21 | [1],[2],[3] | $ 22 | [1],[2] | $ 0 | [1],[2],[3] | $ 0 | [1],[2] | $ 6 | [1],[2],[3] | $ 8 | [1],[2] | $ 6 | [1],[2],[3] | $ 8 | [1],[2] | $ 6 | [1],[2],[3] | $ 8 | [1],[2] | $ 0 | [1],[2],[3] | $ 0 | [1],[2] | $ 0 | [1],[2],[3] | $ 0 | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 238 | [1],[4] |  | $ 446 | [5] | $ 539 | [5] | $ 0 | [5] | $ 539 | [5] | $ 0 | [5] |
Trust assets (long-term): |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trust assets |  |  | 157 | [1],[2] | 163 | [1],[2] | 157 | [1],[2] | 163 | [1],[2] | 8 | [1],[2] | 7 | [1],[2] | 149 | [1],[2] | 156 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 | [1],[2] | 7 | [1],[2] | 8 | [1],[2] | 7 | [1],[2] | 8 | [1],[2] | 7 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 48 | [1],[2] | 50 | [1],[2] | 48 | [1],[2] | 50 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 48 | [1],[2] | 50 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 37 | [1],[2] | 36 | [1],[2] | 37 | [1],[2] | 36 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 37 | [1],[2] | 36 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 26 | [1],[2] | 30 | [1],[2] | 26 | [1],[2] | 30 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 26 | [1],[2] | 30 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 21 | [1],[2] | 24 | [1],[2] | 21 | [1],[2] | 24 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 21 | [1],[2] | 24 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 16 | [1],[2] | 15 | [1],[2] | 16 | [1],[2] | 15 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 16 | [1],[2] | 15 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 1 | [1],[2] | 1 | [1],[2] | 1 | [1],[2] | 1 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] | 1 | [1],[2] | 1 | [1],[2] | 0 | [1],[2] | 0 | [1],[2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative assets | 61 | 33 | 92 | [1],[4] | 41 | [1],[4] | 92 | [1],[4] | 41 | [1],[4] | 0 | [1],[4] | 5 | [1],[4] | 92 | [1],[4] | 36 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11 | [1],[4] | 36 | [1],[4] | 11 | [1],[4] | 36 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] | 11 | [1],[4] | 36 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] | 81 | [1],[4] | 81 | [1],[4] | 0 | [1],[4] | 81 | [1],[4] | 0 | [1],[4] | 5 | [1],[4] | 5 | [1],[4] | 5 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  |  |  | 356 |  | 789 |  | 94 |  | 36 |  | 262 |  | 753 |  | 0 |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivatives: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Derivative liabilities | 223 | 20 | 333 | [1] | 28 | [1],[4] | 333 | [1] | 28 | [1],[4] | 15 | [1] | 1 | [1],[4] | 123 | [1] | 27 | [1],[4] | 195 | [1] | 0 | [1],[4] | 121 | [1],[4] | 27 | [1],[4] | 121 | [1],[4] | 27 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] | 121 | [1],[4] | 27 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] | 116 | [1],[4] | 116 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] | 116 | [1],[4] | 14 | [1],[4] | 1 | [1],[4] | 14 | [1],[4] | 1 | [1],[4] | 13 | [1],[4] | 1 | [1],[4] | 1 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] | 0 | [1],[4] | 3 | [1],[4] | 3 | [1],[4] | 2 | [1],[4] | 1 | [1],[4] | 0 | [1],[4] | 79 | [1],[6] | 79 | [1],[6] | 0 | [1],[6] | 0 | [1],[6] | 79 | [1],[6] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 478
Long-term debt, including current portion |  |  | 21,215 | [7] | 3,527 | [7] | 20,335 | [7] | 3,589 | [7] | 0 | [7] | 0 | [7] | 20,335 | [7] | 3,589 | [7] | 0 | [7] | 0 | [7] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities |  |  |  |  |  |  | $ 20,668 |  | $ 3,617 |  | $ 15 |  | $ 1 |  | $ 20,458 |  | $ 3,616 |  | $ 195 |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred Stock, Dividend Rate, Percentage |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5.80% |  |  |  |  |  |  |  |  |  |  |
[1] | Recorded at fair value.
[2] | Current portion included in other current assets and long-term portion included in other assets.
[3] | Investment securities excluded $238 million of time deposits at June 30, 2013.
[4] | Crude oil options are net of $478 million for deferred premiums and accrued interest at June 30, 2013. Refer to Note 9 for further discussion and balance sheet classifications.
[5] | Recorded at cost and included in other assets.
[6] | Included in other liabilities. Refer to Note 2 for further discussion.
[7] | Recorded at cost except for debt acquired in the PXP, MMR and FMC acquisitions, which were recorded at fair value at the acquisition dates.

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