Schedule II - Valuation and Qualifying Accounts (Tables)

12 Months Ended

Dec. 31, 2015

SEC Schedule Article 12-09 Valuation And Qualifying Accounts [Abstract]

Schedule Of Valuation And Qualifying Accounts Disclosure [Table Text Block]

SCHEDULE II

UNITED TECHNOLOGIES CORPORATION AND SUBSIDIARIES

Valuation and Qualifying Accounts

Three years ended December 31, 2015

(Millions of Dollars)

Allowances for Doubtful Accounts and Other Customer Financing Activity:
Balance December 31, 2012	$	513
Provision charged to income	74
Doubtful accounts written off (net)	(68		)
Other adjustments	19
Balance December 31, 2013	538
Provision charged to income	93
Doubtful accounts written off (net)	(91		)
Other adjustments	(46		)
Balance December 31, 2014	494
Provision charged to income	137
Doubtful accounts written off (net)	(59		)
Other adjustments	(19		)
Balance December 31, 2015	$	553
Future Income Tax Benefits—Valuation allowance:
Balance December 31, 2012	$	904
Additions charged to income tax expense	134
Additions charged to goodwill, due to acquisitions	12
Reductions credited to income tax expense	(52		)
Other adjustments	(56		)
Balance December 31, 2013	942
Additions charged to income tax expense	91
Reductions credited to income tax expense	(55		)
Other adjustments1	(366		)
Balance December 31, 2014	612
Additions charged to income tax expense	42
Additions charged to goodwill, due to acquisitions	7
Reductions credited to income tax expense	(41		)
Other adjustments 1	(29		)
Balance December 31, 2015	$	591

Note 1: Included in Other adjustments in the table above are adjustments to valuation allowances associated with an agreement with a state taxing authority for the monetization of tax credits.