Income Taxes Deferred Taxes (Details) (USD $) In Millions	Dec. 31, 2010	Dec. 31, 2009
Deferred Tax Asset (Liability)
Depreciation and amortization	$ (2,116.2)	$ (2,211.4)
Net operating loss and credit carryforwards	487.3	443.9
Reserves and accruals	119.7	123.1
Accrued compensation	169.0	149.1
Inventory basis difference	44.9	31.9
Available-for-sale investments	5.4	5.6
Non U.S. earnings expected to be repatriated	6.4	6.4
Other capitalized costs	62.1	0
Other, net	55.7	11.8
Deferred Tax Assets (Liabilities) Before Valuation Allowance	(1,165.7)	(1,439.6)
Less: Valuation allowance	156.1	164.8
Deferred Tax Assets (Liabilities), Net	$ (1,321.8)	$ (1,604.4)

The amount as of the balance sheet date of the estimated future tax effects attributable to costs expensed in conformity with generally accepted accounting principles but capitalized for tax purposes, which will reverse in future periods when amortization of such capitalized costs can be deducted for tax purposes.

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- Definition

For entities that net deferred tax assets and tax liabilities, represents the unclassified net amount of deferred tax assets, before any related valuation allowance, and liabilities as of the balance sheet date, which result from applying the applicable enacted tax rate to net temporary differences and carryforwards pertaining to assets or liabilities. A temporary difference is a difference between the tax basis of an asset or liability and its carrying amount in the financial statements prepared in accordance with generally accepted accounting principles that will reverse in ensuing periods.

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The tax effect as of the balance sheet date of the amount of the estimated future tax deductions, before any related valuation allowance, arising from unrealized losses on available-for-sale securities which can only be deducted for tax purposes when the losses are realized, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis of long-lived assets, including property, plant and equipment and the basis of long-lived assets computed in accordance with generally accepted accounting principles. The basis difference, whether due to impairment charges or other reasons, will increase future taxable income when it reverses.

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- Definition

The tax effect as of the balance sheet date of non-U.S. earnings of foreign subsidiaries that are expected to be repatriated to the U.S., becoming subject to tax.

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- Definition

The tax effect as of the balance sheet date of the amount of the estimated future tax deductions attributable to inventory related items which can only be realized if sufficient taxable income is generated in future periods to enable the deduction to be taken.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph b

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- Definition

For entities that net deferred tax assets and tax liabilities, represents the unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, which result from applying the applicable enacted tax rate to net temporary differences and carryforwards pertaining to assets or liabilities. A temporary difference is a difference between the tax basis of an asset or liability and its carrying amount in the financial statements prepared in accordance with generally accepted accounting principles that will reverse in ensuing periods.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 42, 43

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The tax effect as of the balance sheet date of the amount of estimated future tax deductions arising from other temporary differences not otherwise specified in the taxonomy.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43

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The tax effect as of the balance sheet date of the amount of future tax deductions arising from tax carryforwards not otherwise specified in the taxonomy and which can only be utilized if sufficient tax-basis income is generated in future periods and providing tax laws continue to allow utilization.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43

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- Definition

The sum of the tax effects as of the balance sheet date of the amount of the estimated future tax deductions arising from all employee compensation and benefits costs, which can only be deducted for tax purposes when the actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from all currently nondeductible expenses reflected in all reserves and accrued liabilities, which can only be deducted for tax purposes when relevant losses are realized or relevant obligations are actually incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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- Definition

The sum of the portions of deferred tax assets as of the balance sheet date for which, based on the weight of available evidence, it is more likely than not will not be realized through future reductions of tax-based income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 17
-Subparagraph e

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43-49

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