Goodwill and Other Intangible Assets Schedule of Acquired Assets and Assumed Liabilities (Details) - USD ($) $ in Millions	Mar. 31, 2018	Dec. 30, 2017	Oct. 27, 2017
Business Acquisition [Line Items]
Goodwill	$ 5,514	$ 5,504
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Business Acquisition [Line Items]
Current Assets			$ 42
Goodwill	(2)		373
Intangible Assets	$ 2		203
Current liabilities			(23)
Total acquired assets, goodwill and assumed liabilities, net			$ 595