Business Combinations (Details) - USD ($) $ in Millions	1 Months Ended
	Sep. 30, 2016	Feb. 29, 2016	Oct. 01, 2016	Jan. 02, 2016
Business Acquisition [Line Items]
Goodwill			$ 5,678	$ 5,651
Middle East distributor
Business Acquisition [Line Items]
Total purchase consideration		$ 19
Goodwill		5
U.S. Distributor
Business Acquisition [Line Items]
Total purchase consideration	$ 14
Payments to acquire businesses	10
Contingent consideration, liability	4
Goodwill	5
Customer relationship | Middle East distributor
Business Acquisition [Line Items]
Intangible assets from business combination		$ 7
Customer relationship | U.S. Distributor
Business Acquisition [Line Items]
Intangible assets from business combination	$ 9