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FAIR VALUE MEASUREMENTS OF FINANCIAL INSTRUMENTS - Recurring Fair Value Measurements (Details) - USD ($) $ in Millions | Jul. 29, 2023 | Jul. 30, 2022
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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
Derivative Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Other long-term liabilities | Other long-term liabilities
Fair Value, Measurements, Recurring | Level 1 | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Swap liabilities | $ 0 | $ 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
Fair Value, Measurements, Recurring | Level 1 | Fuel derivatives | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Current derivative assets |  | 0
Fair Value, Measurements, Recurring | Level 2 | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Swap liabilities | 1 | 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 | 17 | 3
Noncurrent derivative assets | 5 | 1
Fair Value, Measurements, Recurring | Level 2 | Fuel derivatives | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Current derivative assets |  | 3
Fair Value, Measurements, Recurring | Level 3 | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Swap liabilities | 0 | 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
Fair Value, Measurements, Recurring | Level 3 | Fuel derivatives | Designated as Hedging Instrument |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Current derivative assets |  | $ 0

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