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FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Recurring Fair Value Measurements (Details) - USD ($) $ in Millions | Apr. 27, 2024 | Jul. 29, 2023
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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 | Accrued expenses and other current liabilities
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
Fair value, measurements, recurring | Level 1 | Fuel derivatives | Designated as hedging instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Current derivative liability | 0 | 0
Fair value, measurements, recurring | Level 2 | Interest rate swaps | Designated as hedging instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Current derivative assets | 12 | 17
Noncurrent derivative assets | 4 | 5
Fair value, measurements, recurring | Level 2 | Fuel derivatives | Designated as hedging instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Current derivative liability | 1 | 1
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
Fair value, measurements, recurring | Level 3 | Fuel derivatives | Designated as hedging instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Current derivative liability | $ 0 | $ 0

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