Capital Stock (Tables)

3 Months Ended

Mar. 31, 2012

Capital Stock [Abstract]

Net Income (Loss) per Common Share

	For the Quarter Ended March 31,
	2012						2011
	Income		Shares		Per Share		Income		Shares		Per Share
	(In millions, except per share amounts)
Basic:
Income attributable to common stock	$	778		385	$	2.02	$	1,115		383	$	2.91
Effect of Dilutive Securities:
Mandatory Convertible Preferred Stock		19		12				19		12
Stock options and other		—		2				—		2
Diluted:
Income attributable to common stock, including assumed conversions	$	797		399	$	2.00	$	1,134		397	$	2.86