Share-Based Compensation And Other Compensation Arrangements (Narrative) (Details) (USD $) In Millions, except Share data, unless otherwise specified	0 Months Ended
Feb. 27, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of options granted to our executives	6,114,922
Share-based payment award options expiration term (in years)	10 years
Stock options vesting percentage after the first year	34.00%
Stock options vesting percentage after the second year	33.00%
Stock options vesting percentage after the third year	33.00%
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date	Feb. 27, 2012
Share-based payment award vesting period (in years)	3 years
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date	Feb. 27, 2012
Restricted stock units (RSUs) granted to executives	1,369,810
Restricted stock units (RSUs) granted to executives (fair value per share)	75.40
Award vesting period (in years)	third
Performance Awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Grant date	Feb. 27, 2012
Award vesting period (in years)	three
Performance period end date	December 31, 2014
Performance Awards granted to executives, minimum payout	0
Performance Awards granted to executives, maximum payout	274

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- Definition

Compensation Program Aggregate Payout Range Minimum

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- Definition

Performance period end date.

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- Definition

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

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Grant Date

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No definition available.

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- Definition

The number of years after grant until option awards expire.

+ References

No definition available.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Percentage Year One

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Percentage Year Three

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Options Vesting Percentage Year Two

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No definition available.

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- Definition

Description of the period of time over 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, which may be expressed in a variety of ways (for example, in years, month and year).

+ 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

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- Definition

The weighted average fair value at grant date for nonvested equity-based awards issued 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

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(c)

-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.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph c(1)

-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.

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

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

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

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

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