FAIR VALUE MEASUREMENT (Details) (USD $) In Millions, unless otherwise specified																																																																																																																																																																																																																																																																																																									12 Months Ended													12 Months Ended
	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).