Acquistions, West Africa Investments, Goodwill and Other Intangible Assets Schedule of Acquired Assets and Assumed Liabilities (Details) - USD ($) $ in Millions	Sep. 29, 2018	May 02, 2018	Mar. 31, 2018	Dec. 30, 2017	Oct. 27, 2017
Business Acquisition [Line Items]
Goodwill	$ 6,055			$ 5,504
Multipro
Business Acquisition [Line Items]
Current Assets		$ 118
Property		41
Goodwill		612
Intangible assets subject to amortization, primarily customer relationships		425
Intangible assets not subject to amortization, primarily distribution rights		373
Deferred tax liability		(252)
Other liabilities		(148)
Noncontrolling interest		(552)
Total acquired assets, goodwill and assumed liabilities, net		$ 617
RXBAR
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