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As of the balance sheet date, the aggregate unrecognized cost of equity-based awards made to employees under equity-based compensation awards that have yet to vest.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

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-Subparagraph h

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Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The noncash expense that represents the cost of restricted stock or unit distributed to employees as compensation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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-Name Accounting Standards Codification

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-SubTopic 10

-Section 45

-Paragraph 28

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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 28

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(iii)(1)

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- Definition

Net number of share options (or share units) granted during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

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- Definition

The noncash expense that accounts for the value of stock or unit options distributed to employees as compensation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

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Stockbased Compensation Expense (Details) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Employee Service Share-based Compensation, Allocation Of Recognized Period Costs [Line Items]
Stock Option Awards	$ 39.3	$ 49.4	$ 48.6
Restricted Share/Unit Awards	38.9	30.6	33.0
Stock-based Compensation Expense	78.2	80.0	81.6
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options granted in period (in shares)	2,900,000	3,700,000	4,300,000
Restricted shares/units granted in period (in shares)	1,014,000	572,000	704,000
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Costs On Nonvested Awards, Period Of Recognition	5 years
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Costs On Nonvested Awards	76.0
Unrecognized Compensation Costs On Nonvested Awards, Weighted Average Period Of Recognition	2 years 4 months
Stock Options [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Costs On Nonvested Awards, Period Of Recognition	4 years
Restricted Shares/Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Costs On Nonvested Awards	56.0
Unrecognized Compensation Costs On Nonvested Awards, Weighted Average Period Of Recognition	2 years 0 months
Restricted Shares/Units [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized Compensation Costs On Nonvested Awards, Period Of Recognition	3 years
Cost of Revenues [Member]
Employee Service Share-based Compensation, Allocation Of Recognized Period Costs [Line Items]
Stock-based Compensation Expense	5.4	5.7	5.8
Selling, General and Administrative Expenses [Member]
Employee Service Share-based Compensation, Allocation Of Recognized Period Costs [Line Items]
Stock-based Compensation Expense	70.7	72.4	74.0
Research and Development Expenses [Member]
Employee Service Share-based Compensation, Allocation Of Recognized Period Costs [Line Items]
Stock-based Compensation Expense	$ 2.1	$ 1.9	$ 1.8