Earnings Per Share (EPS) and Dividends (Tables)

12 Months Ended

Dec. 31, 2012

Earnings Per Share (EPS) And Dividends [Abstract]

Basic And Diluted Earnings Per Share Computation

The following table shows the effect of these stock options, performance units and restricted stock units on the weighted average number of shares outstanding used in calculating diluted EPS:

	Years Ended December 31,
	2012				2011				2010
	Basic		Diluted		Basic		Diluted		Basic		Diluted
EPS Numerator:
(Millions)
Continuing Operations	$	1,275	$	1,275	$	1,407	$	1,407	$	1,557	$	1,557
Discontinued Operations	—		—		96		96		7		7
Net Income	$	1,275	$	1,275	$	1,503	$	1,503	$	1,564	$	1,564
EPS Denominator:
(Thousands)
Weighted Average Common Shares Outstanding	505,933		505,933		505,949		505,949		505,985		505,985
Effect of Stock Based Compensation Awards	—		1,153		—		1,033		—		1,060
Total Shares	505,933		507,086		505,949		506,982		505,985		507,045
EPS:
Continuing Operations	$	2.52	$	2.51	$	2.78	$	2.77	$	3.08	$	3.07
Discontinued Operations	—		—		0.19		0.19		0.01		0.01
Net Income	$	2.52	$	2.51	$	2.97	$	2.96	$	3.09	$	3.08

Dividend Payments On Common Stock

	Years Ended December 31,
Dividend Payments on Common Stock	2012		2011		2010
Per Share	$	1.42	$	1.37	$	1.37
in Millions	$	718	$	693	$	693