Income Taxes (Components Of the Provision (Benefit) For Income Taxes On Continuing Operations) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current provision (benefit):
United States federal	$ 246.8	$ 109.6	$ (44.5)
United States state & local	2.8	2.6	3.4
Foreign	237.1	166.1	2.8
Current Income Tax Expense (Benefit)	486.7	278.3	(38.3)
Deferred provision (benefit):
United States federal	23.8	61.1	13.2
United States state & local	4.7	5.2	(6.1)
Foreign	(95.1)	(51.1)	53.7
Provision for deferred taxes	(66.6)	15.2	60.8
Income tax expense	$ 420.1	$ 293.5	$ 22.5

The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted federal tax law to the domestic taxable Income or Loss from continuing operations.

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The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of foreign enacted tax law to the foreign taxable Income or Loss from continuing operations.

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The component of income tax expense for the period representing amounts of income taxes paid or payable (or refundable) for the period for all income tax obligations as determined by applying the provisions of relevant enacted tax laws to relevant amounts of taxable Income or Loss from continuing operations.

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The component of income tax expense for the period representing amounts paid or payable (or refundable) as determined by applying the provisions of enacted state and local tax law to relevant amounts of taxable Income or Loss from continuing operations.

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The component of total income tax expense for the period comprised of the increase (decrease) in the entity's net foreign deferred tax assets and liabilities attributable to continuing operations as determined by applying the provisions of applicable enacted tax laws of countries other than the country of domicile.

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