in millions | |||||||
2013 | 2012 | ||||||
Land | $ | 100 | $ | 101 | |||
Building and leasehold improvements | 2,945 | 2,868 | |||||
Machinery and equipment | 5,504 | 5,208 | |||||
Land improvements and other | 417 | 408 | |||||
Buildings and equipment under construction | 236 | 298 | |||||
9,202 | 8,883 | ||||||
Less accumulated depreciation | 5,149 | 4,861 | |||||
Net property, plant and equipment | $ | 4,053 | $ | 4,022 |