Inventories, Net of Inventory Reserves

9 Months Ended

Sep. 30, 2018

Inventories, Net of Inventory Reserves [Abstract]

Inventories, Net of Inventory Reserves

7.   Inventories, Net of Inventory Reserves

Inventories, net of inventory reserves comprise the following (in millions):

	September 30,		December 31,
	2018		2017
Finished goods	$	801	$	739
Work in process		367		322
Raw materials and accessories		380		306
Supplies and packing materials		373		345
Total inventories, net of inventory reserves	$	1,921	$	1,712