Description of business and significant accounting policies and practices (Tables)

9 Months Ended

Sep. 30, 2013

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Computation and reconciliation of earnings per common share

Computation and reconciliation of earnings per common share are as follows (shares in millions):

	For Three Months Ended September 30, 2013						For Three Months Ended September 30, 2012
	Net Income			Shares	EPS		Net Income			Shares	EPS
Basic EPS:
Net income	$	629					$	784
Less income allocated to RSUs	(11		)				(15		)
Income allocated to common stock for basic EPS calculation	$	618		1,096	$	.56	$	769		1,130	$	.68
Adjustment for dilutive shares:
Stock-based compensation plans				15						11
Diluted EPS:
Net income	$	629					$	784
Less income allocated to RSUs	(11		)				(14		)
Income allocated to common stock for diluted EPS calculation	$	618		1,111	$	.56	$	770		1,141	$	.67

	For Nine Months Ended September 30, 2013						For Nine Months Ended September 30, 2012
	Net Income			Shares	EPS		Net Income			Shares	EPS
Basic EPS:
Net income	$	1,651					$	1,495
Less income allocated to RSUs	(29		)				(27		)
Income allocated to common stock for basic EPS calculation	$	1,622		1,102	$	1.47	$	1,468		1,138	$	1.29
Adjustment for dilutive shares:
Stock-based compensation plans				15						15
Diluted EPS:
Net income	$	1,651					$	1,495
Less income allocated to RSUs	(28		)				(27		)
Income allocated to common stock for diluted EPS calculation	$	1,623		1,117	$	1.45	$	1,468		1,153	$	1.27