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BENEFIT PLANS - Fair Value of Defined Benefit Pension Plans Assets (Details) - USD ($) $ in Millions | Jul. 30, 2022 | Jul. 31, 2021
--- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | $ 1,716 | $ 2,118
Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 54 | 114
Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 1,544 | 1,764
Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 118 | 240
Common stock |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 42 | 103
Common stock | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 42 | 103
Common stock | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Common stock | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Common stock | Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Common collective trusts |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 952 | 1,105
Common collective trusts | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Common collective trusts | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 949 | 1,044
Common collective trusts | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Common collective trusts | Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 3 | 61
Corporate bonds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 390 | 432
Corporate bonds | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Corporate bonds | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 390 | 432
Corporate bonds | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Corporate bonds | Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Government securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 175 | 218
Government securities | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Government securities | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 175 | 218
Government securities | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Government securities | Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Mutual funds |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year |  | 58
Mutual funds | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year |  | 0
Mutual funds | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year |  | 58
Mutual funds | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year |  | 0
Mutual funds | Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year |  | 0
Mortgage-backed securities |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 28 | 2
Mortgage-backed securities | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Mortgage-backed securities | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 28 | 2
Mortgage-backed securities | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Mortgage-backed securities | Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Other |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 14 | 21
Other | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 12 | 11
Other | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 2 | 10
Other | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Other | Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Private equity and real estate partnerships |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 115 | 179
Private equity and real estate partnerships | Level 1 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Private equity and real estate partnerships | Level 2 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Private equity and real estate partnerships | Level 3 |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | 0 | 0
Private equity and real estate partnerships | Measured at NAV as a Practical Expedient |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Fair value of plan assets at end of year | $ 115 | $ 179

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