The following table sets forth the computations of basic and diluted earnings per share for the years ended December 31, 2012, 2011 and 2010 (dollars in millions, except per share amounts, and shares in thousands):


	2012		2011		2010
Net income attributable to HCA Holdings, Inc	$	1,605	$	2,465	$	1,207

Weighted average common shares outstanding		440,178		476,609		426,424
Effect of dilutive incremental shares		19,225		19,334		10,923

Shares used for diluted earnings per share		459,403		495,943		437,347

Earnings per share:
Basic earnings per share	$	3.65	$	5.17	$	2.83
Diluted earnings per share	$	3.49	$	4.97	$	2.76