Business Acquisitions - Preliminary Purchase Price Allocation to Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Millions		3 Months Ended
	Feb. 21, 2019	Mar. 30, 2019	Mar. 31, 2018	Dec. 31, 2018
Business Acquisition [Line Items]
Goodwill on acquisition		$ 2,567		$ 2,495
Cash paid, net of cash acquired		$ 179	$ 0
Temptime Corporation
Business Acquisition [Line Items]
Inventory	$ 14
Property, plant and equipment	10
Identifiable intangible assets	106
Other assets acquired	11
Deferred tax liabilities	(24)
Other liabilities assumed	(13)
Net Assets Acquired	104
Goodwill on acquisition	75
Cash paid, net of cash acquired	$ 179