Statements Of Condensed Consolidated Cash Flows (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
OPERATING ACTIVITIES
Net income	$ (1,126.6)	$ 1,812.6	$ 1,019.9
Adjustments to reconcile net income to net cash provided (used) by operating activities:
Depreciation, depletion and amortization	525.8	426.9	322.3
Impairment of goodwill and other long-lived assets	1,049.9	27.8	0
Derivatives and currency hedges	4.1	(69.0)	(39.0)
Foreign exchange loss (gains)	2.2	(6.2)	39.1
Share-based compensation	16.5	13.9	12.5
Equity (income) loss in ventures (net of tax)	404.8	(9.7)	(13.5)
Pensions and other postretirement benefits	(26.1)	(26.3)	8.7
Deferred income taxes	127.0	(66.6)	15.2
Changes in deferred revenue and below-market sales contracts	(24.5)	(146.0)	39.3
Gain on acquisition of controlling interests	0	0	(40.7)
Other	(37.6)	(0.1)	9.9
Changes in operating assets and liabilities:
Receivables and other assets	(74.8)	81.4	(204.6)
Product inventories	39.9	(74.5)	61.2
Payables and accrued expenses	(366.1)	324.6	89.7
Net cash provided by operating activities	514.5	2,288.8	1,320.0
INVESTING ACTIVITIES
Acquisition of Consolidated Thompson, net of cash acquired	0	(4,423.5)	0
Acquisition of controlling interests, net of cash acquired	0	0	(994.5)
Net settlements in Canadian dollar foreign exchange contracts	0	93.1	0
Investment in Consolidated Thompson senior secured notes	0	(125.0)	0
Purchase of property, plant and equipment	(1,127.5)	(880.7)	(266.9)
Investments in ventures	0	(5.2)	(191.3)
Proceeds from sale of Sonoma	152.6	0	0
Other investing activities	13.1	36.9	85.0
Net cash used by investing activities	(961.8)	(5,304.4)	(1,367.7)
FINANCING ACTIVITIES
Net proceeds from issuance of common shares	0	853.7	0
Net proceeds from issuance of senior notes	497.0	998.1	1,388.1
Borrowings on term loan	0	1,250.0	0
Repayment of term loan	(124.8)	(278.0)	0
Borrowings on bridge credit facility	0	750.0	0
Repayment of bridge credit facility	0	(750.0)	0
Borrowings under revolving credit facility	1,012.0	250.0	450.0
Repayment under revolving credit facility	(687.0)	(250.0)	(450.0)
Debt issuance costs	(4.3)	(54.8)	0
Repayment of Consolidated Thompson convertible debentures	0	(337.2)	0
Repayment of senior notes	(325.0)	0	0
Repayment of $200 million term loan	0	0	(200.0)
Payments under share buyback program	0	(289.8)	0
Contributions by joint ventures, net	95.4	0	0
Common stock dividends	(307.2)	(118.9)	(68.9)
Other financing activities	(36.5)	(48.0)	(31.6)
Net cash provided by financing activities	119.6	1,975.1	1,087.6
EFFECT OF EXCHANGE RATE CHANGES ON CASH	1.3	(4.6)	24.1
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(326.4)	(1,045.1)	1,064.0
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	521.6	1,566.7	502.7
CASH AND CASH EQUIVALENTS AT END OF PERIOD	$ 195.2	$ 521.6	$ 1,566.7