Fair Value Measurements Fair Value Measurements Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Jul. 28, 2019	Aug. 02, 2020	Jul. 29, 2018	Jul. 30, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Other Cash Equivalents, at Carrying Value		$ 157
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents	$ 148	0	$ 177	$ 282
Debt, Long-term and Short-term, Combined Amount	8,474	6,196
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure		157
Debt, Long-term and Short-term, Combined Fair Value	8,642	$ 6,995
Kelsen [Member] | Goodwill [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Disposal Group, Including Discontinued Operation, Other Expense	10
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents	19
Debt, Long-term and Short-term, Combined Amount	238
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] | Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and Cash Equivalents, Fair Value Disclosure	19
Debt, Long-term and Short-term, Combined Fair Value	238
Trademarks [Member] | Kelsen [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Disposal Group, Including Discontinued Operation, Other Expense	7
Customer Relationships [Member] | European Chips Business [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Impairment of Intangible Assets, Finite-lived	$ 16