Estimating Useful Life and Percent Used Up The property and equipment footnote from the Deere & Company Equipment and Operations segment follows. Property and Depreciation A summary of property and equipment at October 31 follows. Property and Equipment ($ millions) Land Useful Lives* (Years) 2015 2014 $114 $120 Buildings and building equipment 23 2,794 3,037 Machinery and equipment 11 4,833 5,089 Dies, patterns, tools, etc 8 1,567 1,552 5 875 889 345 530 Total at cost 10,528 11,217 5,846 5,694 Total $4,682 $5,523 All other Construction in progress Less accumulated depreciation *Weighted averages Total property and equipment additions in 2015, 2014 and 2013 were $666 million, $1,016 million and $1,158 million, and depreciation was $692 million, $696 million and $637 million, respectively.