XML 52 R38.htm IDEA: XBRL DOCUMENT v3.7.0.1
Components of Inventories (Detail) - USD ($)
$ in Millions
Jun. 30, 2017
Dec. 31, 2016
Inventory [Line Items]    
Raw materials $ 757 $ 722
Finished product 2,087 1,865
Inventories, gross 2,844 2,587
Inventory reserves (134) (118)
Inventories, net $ 2,710 $ 2,469