Earnings Per Share (Tables)

6 Months Ended

Jun. 30, 2011

Earnings Per Share

Earnings Per Share Computations

	Earnings	Common Shares	Earnings per Share
	(In millions, except per share amounts)
Three Months Ended June 30, 2011:
Earnings from continuing operations	$           184	422
Attributable to participating securities	(2)	(5)
Basic earnings per share	182	417	$             0.44
Dilutive effect of potential common shares issuable      upon the exercise of outstanding stock options	—	2
Diluted earnings per share	$           182	419	$             0.43
	Earnings	Common Shares	Earnings per Share
	(In millions, except per share amounts)
Three Months Ended June 30, 2010:
Earnings from continuing operations	$           352	445
Attributable to participating securities	(4)	(5)
Basic earnings per share	348	440	$             0.79
Dilutive effect of potential common shares issuable      upon the exercise of outstanding stock options	—	1
Diluted earnings per share	$           348	441	$             0.79
Six Months Ended June 30, 2011:
Earnings from continuing operations	$           573	425
Attributable to participating securities	(6)	(5)
Basic earnings per share	567	420	$             1.35
Dilutive effect of potential common shares issuable      upon the exercise of outstanding stock options	—	2
Diluted earnings per share	$           567	422	$             1.34
Six Months Ended June 30, 2010:
Earnings from continuing operations	$       1,426	446
Attributable to participating securities	(17)	(5)
Basic earnings per share	1,409	441	$             3.20
Dilutive effect of potential common shares issuable      upon the exercise of outstanding stock options	—	1
Diluted earnings per share	$       1,409	442	$             3.19