v3.24.1.u1
Financial Instruments and Fair Value Measurements, Assets Measured at Fair Value on Non-Recurring Basis (Details) - USD ($)
$ in Millions
6 Months Ended 12 Months Ended
Mar. 30, 2024
Sep. 30, 2023
Impairment [Abstract]    
Indefinite-lived trademarks $ 0 $ 0
Goodwill 0 0
Definite lived intangible assets 0 0
Property, plant, and equipment 4 8
Impairment charges 4 8
Fair Value Adjustment [Abstract]    
Fair value of long-term indebtedness greater/(less) than book value (221)  
Fair Value on Non-Recurring Basis [Member]    
Fair Value of Assets [Abstract]    
Indefinite-lived trademarks 248 248
Goodwill 4,988 4,981
Definite lived intangible assets 1,353 1,455
Property, plant, and equipment 4,576 4,576
Total 11,165 11,260
Fair Value on Non-Recurring Basis [Member] | Level 1 [Member]    
Fair Value of Assets [Abstract]    
Indefinite-lived trademarks 0 0
Goodwill 0 0
Definite lived intangible assets 0 0
Property, plant, and equipment 0 0
Total 0 0
Fair Value on Non-Recurring Basis [Member] | Level 2 [Member]    
Fair Value of Assets [Abstract]    
Indefinite-lived trademarks 0 0
Goodwill 0 0
Definite lived intangible assets 0 0
Property, plant, and equipment 0 0
Total 0 0
Fair Value on Non-Recurring Basis [Member] | Level 3 [Member]    
Fair Value of Assets [Abstract]    
Indefinite-lived trademarks 248 248
Goodwill 4,988 4,981
Definite lived intangible assets 1,353 1,455
Property, plant, and equipment 4,576 4,576
Total $ 11,165 $ 11,260