Earnings Per Share (Tables)

12 Months Ended

Dec. 31, 2011

Earnings Per Share [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

We computed our basic and diluted earnings per common share as follows:

(In Millions, Except Per Share Amounts)	2011		2010		2009
Net income available to common stockholders	$	12,942	$	11,464	$	4,369
Weighted average common shares outstanding—basic		5,256		5,555		5,557
Dilutive effect of employee equity incentive plans		101		89		37
Dilutive effect of convertible debt		54		52		51
Weighted average common shares outstanding—diluted		5,411		5,696		5,645
Basic earnings per common share	$	2.46	$	2.06	$	0.79
Diluted earnings per common share	$	2.39	$	2.01	$	0.77