Acquisitions (Schedule of Purchase Price Allocation (Details) - USD ($) $ in Millions		Apr. 29, 2018	Mar. 26, 2018	Dec. 12, 2017	Jul. 30, 2017
Business Acquisition [Line Items]
Goodwill	[1]	$ 4,608			$ 2,115
Pacific Foods [Member]
Business Acquisition [Line Items]
Cash				$ 7
Accounts receivable				16
Inventories				50
Other current assets				1
Plant assets				78
Goodwill				202
Other intangible assets				366
Other assets				0
Short-term debt				0
Accounts Payable, Current				(25)
Accrued Liabilities, Current				(6)
Deferred income taxes				0
Other liabilities				0
Noncontrolling Interest				0
Total assets acquired and assumed liabilities				$ 689
Snyder's-Lance [Member]
Business Acquisition [Line Items]
Cash			$ 21
Accounts receivable			220
Inventories			219
Other current assets			35
Plant assets			699
Goodwill			2,867
Other intangible assets			2,947
Other assets			61
Short-term debt			(1)
Accounts Payable, Current			(124)
Accrued Liabilities, Current			(116)
Deferred income taxes			(637)
Other liabilities			(32)
Noncontrolling Interest			(47)
Total assets acquired and assumed liabilities			$ 6,112

[1] The Campbell Fresh segment includes accumulated impairment charges of $837 as of April 29, 2018, and $297 as of July 30, 2017 related to the Bolthouse Farms carrot and carrot ingredients reporting unit, the deli reporting unit, and the Bolthouse Farms refrigerated beverages and salad dressings reporting unit.