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DERIVATIVES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended
	Oct. 31, 2020	Oct. 30, 2021
Derivative [Line Items]
Payment to terminate interest rate swaps	$ 11
Derivative, notional value		$ 1,232
Gain (loss) resulting from termination of interest rate swaps	0
Interest rate swaps
Derivative [Line Items]
Derivative, notional value	504
Forward starting interest rate swaps
Derivative [Line Items]
Derivative, notional value	450
Senior Notes due 2028, 6.750%
Derivative [Line Items]
Debt instrument, face amount	$ 500

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