Performance Graph - Unaudited (Tables)

12 Months Ended

Dec. 31, 2012

Performance Graph [Abstract]

Cumulative Total Shareholder Return Table [Text Block]

	December
	2007		2008		2009		2010		2011		2012
United Technologies Corporation	$	100.00	$	71.57	$	95.40	$	110.88	$	105.37	$	121.28
S&P 500 Index	$	100.00	$	63.00	$	79.67	$	91.68	$	93.61	$	108.59
Dow Jones Industrial Average	$	100.00	$	68.07	$	83.51	$	95.25	$	103.24	$	113.81