Cash refund in connection with share repurchase.

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Share Repurchases Amount Remaining Under Authorization.

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Average price paid per share under this authorization.

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Share repurchases numeric abstract.

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Share repurchases table abstract.

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Total shares retired under this authorization.

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Outstanding shares under repurchase authorization.

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The total dollar amount of an accelerated share repurchase agreement.

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The number of shares under agreement to be purchased as part of an accelerated share repurchase agreement.

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Final price paid per share for the purchase of the targeted number of shares, determined by an average market price over a fixed period of time.

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The price paid per share to immediately purchase the targeted number of shares on the date of executing the accelerated share repurchase agreement.

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Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method.

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Number of shares that have been repurchased and retired during the period.

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The amount authorized by an entity's Board of Directors under a stock repurchase plan.

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Earnings Per Share (Details) (Unaudited) (USD $) Share data in Millions, except Per Share data	3 Months Ended		9 Months Ended				6 Months Ended	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011 December 19, 2007 Program - Total Authorization	Sep. 30, 2010 December 19, 2007 Program - Total Authorization	Jun. 30, 2010 June 16, 2010 Program - Original Authorization	Sep. 30, 2011 June 16, 2010 Program - Original Authorization	Sep. 30, 2010 June 16, 2010 Program - Original Authorization	Apr. 25, 2011 June 16, 2010 Program - Original Authorization
Share Repurchases (Table Amounts)
Amount Authorized					$ 3,600,000,000		$ 2,000,000,000	$ 4,245,000,000
Average price per share					$ 59.82			$ 58.24
Total shares retired					60.2			32.4
Shares repurchased			28.4	17.8		15.7		28.4	2.1
Share Repurchases (Amounts in Paragraphs)
Increase authorized								4,000,000,000
Amount remaining under authorization for share repurchases								2,400,000,000		245,000,000
Shares to be repurchased as part of accelerated share repurchase agreement	15.6		15.6
Shares to be repurchased as part of accelerated share repurchase agreement initial price per share			$ 64.17
Amount to be repurchased as part of accelerated share repurchase agreement	1,000,000,000		1,000,000,000
Diluted Earnings Per Share (Amounts in Paragraphs)
Dilutive effect of stock options and other stock awards granted	4.4	4.1	4.8	3.9
Antidilutive stock options	3.6	4.5	2.8	2.6
Final average purchase price per share under accelerated share repurchase agreement			$ 62.54
Cash refund in connection with share repurchase			$ 19,000,000