(In millions) | Estimated Depreciable Lives, In Years | January 31, 2014 | February 1, 2013 | ||||||
Cost: | |||||||||
Land | N/A | $ | 7,016 | $ | 6,986 | ||||
Buildings and building improvements | 5-40 | 17,161 | 16,968 | ||||||
Equipment | 3-15 | 10,063 | 9,780 | ||||||
Construction in progress | N/A | 834 | 932 | ||||||
Total cost | 35,074 | 34,666 | |||||||
Accumulated depreciation | (14,240 | ) | (13,189 | ) | |||||
Property, less accumulated depreciation | $ | 20,834 | $ | 21,477 | |||||