Restructuring and Other Charges, Net - Actions (Details) - USD ($) $ in Millions	3 Months Ended
	Dec. 25, 2020	Dec. 27, 2019
Restructuring Charges
Total Expected Charges	$ 295
Cumulative Charges Incurred	261
Remaining Expected Charges	34
Charges Incurred	149	$ 24
Transportation Solutions
Restructuring Charges
Total Expected Charges	140
Cumulative Charges Incurred	126
Remaining Expected Charges	14
Charges Incurred	118	4
Industrial Solutions
Restructuring Charges
Total Expected Charges	114
Cumulative Charges Incurred	99
Remaining Expected Charges	15
Charges Incurred	20	15
Communications Solutions
Restructuring Charges
Total Expected Charges	41
Cumulative Charges Incurred	36
Remaining Expected Charges	5
Charges Incurred	11	5
Fiscal 2021 Actions
Restructuring Charges
Remaining Expected Charges	12
Charges Incurred	142
Fiscal 2020 Actions
Restructuring Charges
Remaining Expected Charges	34
Charges Incurred	11	15
Pre-Fiscal 2020 Actions
Restructuring Charges
Charges Incurred	$ (4)	$ 9