CONDENSED CONSOLIDATED STATEMENT OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
OPERATING ACTIVITIES
Net income	$ 345,565	$ 219,261	$ 1,216,703	$ 1,408,159
Adjustments to reconcile net earnings to net cash provided from operating activities:
Depreciation, amortization and depletion	101,489	81,283	285,577	236,655
Equity earnings of affiliate, net of dividends received	(1,079)	(2,654)	(6,588)	(19,593)
Loss (income) on currency translation effect	(573)	3,358	10,490	(3,302)
Provision (benefit) for deferred income taxes	(9,769)	56,808	912	76,116
Gain on sale of investment				(18,200)
Cash provided from (used for) operating assets and liabilities:
Accounts receivable	1,148	97,607	182,111	160,667
Inventories	(69,104)	(56,581)	(132,731)	(89,481)
Accounts payable and accrued liabilities	170,346	345,506	(17,546)	111,006
Other operating assets and liabilities	(70,847)	(44,869)	(171,341)	(64,834)
Net cash provided from operating activities	467,176	699,719	1,367,587	1,797,193
INVESTING ACTIVITIES
Capital expenditures	(488,249)	(258,224)	(1,190,501)	(665,944)
Proceeds from (purchase of) short-term investments, net	29,469	(5,946)	(229,166)	142,253
Decrease (increase) in loan to affiliate	9,454	(37,599)	22,706	(37,599)
Sale of investment				18,200
Other	(1,981)	93	(4,454)	5,373
Net cash used for investing activities	(451,307)	(301,676)	(1,401,415)	(537,717)
FINANCING ACTIVITIES
Debt repaid			(5,000)	(5,000)
Dividends paid to common stockholders	(101,028)	(203,723)	(473,062)	(813,883)
Distributions to non-controlling interest	(231)	(533)	(1,097)	(2,253)
Repurchase of common shares	(59,431)	(99,185)	(123,991)	(132,369)
Other	263	154	1,053	758
Net cash used for financing activities	(160,427)	(303,287)	(602,097)	(952,747)
Effect of exchange rate changes on cash and cash equivalents	175	(16,322)	(28,264)	2,958
Increase (decrease) in cash and cash equivalents	(144,383)	78,434	(664,189)	309,687
Cash and cash equivalents, at beginning of period	1,939,682	1,079,371	2,459,488	848,118
Cash and cash equivalents, at end of period	$ 1,795,299	$ 1,157,805	$ 1,795,299	$ 1,157,805