FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Recurring Fair Value Measurements (Details) - USD ($) $ in Millions	Oct. 29, 2022	Jul. 30, 2022
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative Asset, Current, Statement of Financial Position [Extensible Enumeration]	Prepaid expenses and other current assets	Prepaid expenses and other current assets
Derivative Asset, Noncurrent, Statement of Financial Position [Extensible Enumeration]	Other long-term assets	Other long-term assets
Derivative Liability, Current, Statement of Financial Position [Extensible Enumeration]	Accrued expenses and other current liabilities
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration]		Other long-term liabilities
Fair value, measurements, recurring | Level 1 | Fuel derivatives | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	$ 0	$ 0
Current derivative liability	0
Fair value, measurements, recurring | Level 1 | Foreign currency derivatives | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	0
Fair value, measurements, recurring | Level 1 | Interest rate swaps | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	0	0
Noncurrent derivative assets	0	0
Noncurrent derivative liability		0
Fair value, measurements, recurring | Level 2 | Fuel derivatives | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	2	3
Current derivative liability	1
Fair value, measurements, recurring | Level 2 | Foreign currency derivatives | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	2
Fair value, measurements, recurring | Level 2 | Interest rate swaps | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	16	3
Noncurrent derivative assets	11	1
Noncurrent derivative liability		2
Fair value, measurements, recurring | Level 3 | Fuel derivatives | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	0	0
Current derivative liability	0
Fair value, measurements, recurring | Level 3 | Foreign currency derivatives | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	0
Fair value, measurements, recurring | Level 3 | Interest rate swaps | Designated as hedging instrument
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Current derivative assets	0	0
Noncurrent derivative assets	$ 0	0
Noncurrent derivative liability		$ 0