Inventories (Tables)

9 Months Ended

Sep. 30, 2017

Inventory Disclosure [Abstract]

Summary of Inventories

Inventories as of September 30, 2017 and December 31, 2016 consist of the following:

	September 30, 2017		December 31, 2016
	(in millions)
Raw materials	$	1,495	$	1,185
Work-in-process		759		757
Finished goods		5,029		3,667
Total inventories	$	7,283	$	5,609