UNITED TECHNOLOGIES CORP /DE/ | 2013 | FY | 3


FIXED ASSETS
(dollars in millions)
Estimated
Useful Lives

2013

2012
Land
 

$
434


$
433

Buildings and improvements
12-40 years

5,633


5,436

Machinery, tools and equipment
3-20 years

11,353


10,880

Other, including assets under construction
 

1,241


1,316

 
 

18,661


18,065

Accumulated depreciation
 

(9,795
)

(9,547
)
 
 

$
8,866


$
8,518


Depreciation expense was $1,050 million in 2013, $920 million in 2012 and $823 million in 2011.

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