Fair Value Measurements Fair Value Measurements Narrative (Details) - USD ($) $ in Millions	Oct. 31, 2021	Aug. 01, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash Equivalents, Fair Value Disclosure	$ 32	$ 0
Debt, Long-term and Short-term, Combined Amount	5,047	5,058
Fair Value, Inputs, Level 2 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash Equivalents, at Carrying Value	32	0
Debt Instrument, Fair Value Disclosure	$ 5,518	$ 5,613