Performance Graph - Unaudited (Tables)

12 Months Ended

Dec. 31, 2011

Performance Graph [Abstract]

Cumulative Total Shareholder Return Table [Text Block]

	December
	2006		2007		2008		2009		2010		2011
United Technologies Corporation	$	100.00	$	124.44	$	89.06	$	118.71	$	137.98	$	131.12
S&P 500 Index	$	100.00	$	105.49	$	66.46	$	84.05	$	96.71	$	98.76
Dow Jones Industrial Average	$	100.00	$	108.87	$	74.12	$	90.91	$	103.70	$	112.39