Long-Term Incentive Employee Compensation.

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Percentage of payout.

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Grant Date Fair Value.

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- Definition

Shares of RS on which restrictions lapsed.

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- Definition

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

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- Definition

The weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, using a decimal to express in number of years.

+ 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).

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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- Definition

The liabilities paid during the accounting period for equity-based compensation.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Number of share options (or share units) exercised during the current period.

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Number of treasury shares (units) reissued during the period, excluding reissuance of shares (units) held in treasury used to satisfy equity-based compensation obligations exercised by the holders of such rights. Upon reissuance of shares (units) from treasury, either the common or preferred stock (unit) reissued is outstanding.

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-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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Value stock issued during the period as a result of the exercise of stock options.

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Long-Term Incentive Employee Compensation (Details Textual) (USD $) In Millions, except Per Share data, unless otherwise specified	9 Months Ended	3 Months Ended			9 Months Ended
	Sep. 30, 2011 Year Claim	Mar. 31, 2011 Non Qualified Stock Options [Member]	Mar. 31, 2011 Restricted Stock [Member]	Mar. 31, 2011 TSR Plan Awards [Member]	Sep. 30, 2011 Maximum [Member]	Sep. 30, 2011 Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost related to unvested options and restricted stock	$ 56
Unrecognized compensation cost weighted average amortization period (years)	1.9
Plans Awards, Grants		0.7	0.5	10.8
Grant date fair value		$ 14.86	$ 57.68	$ 1.00
Percentage of Payout					200.00%	0.00%
Long-Term Incentive Employee Compensation (Textual) [Abstract]
Stock options exercised	1.3
Proceeds from stock options exercised	49
Shares of RS on which restrictions lapsed	0.4
Issuances of shares from treasury account	0.2
Cash payments to settle awards	$ 18