Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000045012 (http://www.sec.gov/CIK)

Inventory Disclosure [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Inventory Disclosure [Abstract]
Inventories	The cost of the remaining inventory was recorded on the average cost method. Inventories consisted of the following:   December 31 Millions of dollars 2016 2015 Finished products and parts $ 1,388 $ 1,992 Raw materials and supplies 778 879 Work in process 109 122 Total $ 2,275 $ 2,993