XML 117 R97.htm IDEA: XBRL DOCUMENT v3.22.2.2
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