Derivatives (Details) In Thousands, unless otherwise specified	Jun. 30, 2013 Derivatives designated as hedging instruments Cash flow hedges Foreign currency contracts (long) 2013 EUR USD ($)	Jun. 30, 2013 Derivatives designated as hedging instruments Cash flow hedges Foreign currency contracts (long) 2013 EUR	Jun. 30, 2013 Derivatives designated as hedging instruments Fair value hedges USD ($)	Jun. 30, 2013 Derivatives designated as hedging instruments Fair value hedges Commodity contract inventory (long) 2013 BBL USD ($)	Jun. 30, 2013 Derivatives designated as hedging instruments Fair value hedges Commodity contract inventory (short) 2013 BBL USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Commodity contract (long) 2013 BBL USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Commodity contract (long) 2014 BBL USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Commodity contract (long) 2015 BBL USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Commodity contract (short) 2013 BBL USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Commodity contract (short) 2014 BBL USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Commodity contract (short) 2015 BBL USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 AUD USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 AUD	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 BRL USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 BRL	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 CAD USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 CAD	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 CLP USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 CLP	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 COP USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 COP	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 DKK USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 DKK	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 EUR USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 EUR EUR (€)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 GBP USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 GBP GBP (£)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 JPY USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 JPY JPY (¥)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 MXN USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 MXN	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 NOK USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 NOK	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 PLN USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 PLN	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 SGD USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2013 SGD	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2014 GBP USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (long) 2014 GBP GBP (£)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 AUD USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 AUD	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 CAD USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 CAD	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 CLP USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 CLP	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 COP USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 COP	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 DKK USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 DKK	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 EUR USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 EUR EUR (€)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 GBP USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 GBP GBP (£)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 INR USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 INR	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 JPY USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 JPY JPY (¥)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 MXN USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 MXN	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 NOK USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 NOK	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 PLN USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 PLN	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 RON USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 RON	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 SGD USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 SGD	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 ZAR USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2013 ZAR	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2014 GBP USD ($)	Jun. 30, 2013 Derivatives not designated as hedging instruments Foreign currency contracts (short) 2014 GBP GBP (£)
Derivative instruments, at their respective fair value positions
Notional value of commodity contracts	811,000	811,000		190,000	2,450,000		37,067,000	4,891,000	26,000	27,366,000	3,969,000	32,000
Weighted Average Fixed Price of cash flow hedge commodity contracts	0.81
Weighted Average Mark-to-Market Amount of cash flow hedge commodity contracts	0.06
Fair value of cash flow hedge commodity contracts	$ 51
Weighted Average Fixed Price of fair value hedge commodity contracts				119.08	112.93
Weighted Average Mark-to-Market Amount of fair value hedge commodity contracts				(0.71)	0.34
Fair value hedge commodity contracts				(134)	839
Weighted Average Fixed Price of non-designated commodity contracts							66.11	71.88	115.68	84.91	84.61	113.77
Weighted Average Mark-to-Market Amount of non-designated commodity contracts							(1.00)	(0.31)	0.31	1.62	0.87	1.22
Fair value of non-designated commodity contracts							(37,184)	(1,517)	8	44,276	3,463	39
Non-Designated, Notional amount of foreign currency contracts														14,680		800		64,494		2,173,632		32,725,597		42,857		13,025		105,343		150,000		1,197,748		9,500		3,700		30,095		1,250		15,815		55,868		608,949		29,884,001		37,922		39,884		169,593		111,367		409,640		1,029,637		16,202		6,427		11,456		32,991		58,103		12,040
Weighted Average Fixed Price of non-designated foreign currency contracts													0.98		2.09		1.03		497.09		1,869.45		5.76		0.77		0.66		98.04		12.51		6.12		3.26		1.25		0.66		1.01		1.03		492.61		1,875.76		5.75		0.77		0.66		55.55		98.77		12.57		5.93		3.26		3.42		1.25		9.62		0.66
Weighted Average Mark-to-Market Amount of non-designated foreign currency contracts													(0.09)		(0.03)		(0.02)		0.00		0.00		0.00		0.00		(0.01)		0.00		0.00		0.00		(0.01)		(0.01)		(0.02)		0.12		0.03		0.00		0.00		0.00		(0.01)		0.01		0.00		0.00		0.00		0.00		0.00		0.00		0.02		0.00		0.03
Mark-to-Market value of non-designated foreign currency contracts													(1,272)		(24)		(1,187)		(50)		(589)		51		(30)		(1,548)		(17)		(3,884)		12		(24)		(399)		(29)		1,886		1,561		50		487		24		(244)		2,466		140		25		3,329		45		23		(32)		524		234		367
Mark-to-Market, Total			$ 705			$ 10,980