v3.25.2
Pension and Other Post-Retirement Benefit Plans - Defined Benefit Pension Plans' Major Asset Categories and Their Associated Fair Values (Details) - USD ($)
$ in Millions
Jun. 27, 2025
Jun. 28, 2024
Equity commingled/mutual funds    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: $ 66 $ 58
Equity commingled/mutual funds | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 0 0
Equity commingled/mutual funds | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 66 58
Equity commingled/mutual funds | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 0 0
Fixed income commingled/mutual funds    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 110 99
Fixed income commingled/mutual funds | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 0 0
Fixed income commingled/mutual funds | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 110 99
Fixed income commingled/mutual funds | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 0 0
Net plan assets subject to leveling | Total    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 176 157
Net plan assets subject to leveling | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 0 0
Net plan assets subject to leveling | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 176 157
Net plan assets subject to leveling | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 0 0
Real estate investment trust at net asset value | Net asset value    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 28 27
Total investments at fair value    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 204 184
Total investments at fair value | Level 1    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 0 0
Total investments at fair value | Level 2    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: 176 157
Total investments at fair value | Level 3    
Defined Benefit Plan Disclosure [Line Items]    
Plan assets measured at fair value: $ 0 $ 0