Restructuring and Other Charges, Net - Actions (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2024	Sep. 29, 2023	Sep. 30, 2022
Restructuring Charges
Charges Incurred	$ 144	$ 260	$ 137
Restructuring Charges, Statement of Income or Comprehensive Income [Extensible Enumeration]	Restructuring and Asset Impairment Charges (Credits) and Disposal Group Not Discontinued Operation Loss (Gain) on Disposal	Restructuring and Asset Impairment Charges (Credits) and Disposal Group Not Discontinued Operation Loss (Gain) on Disposal	Restructuring and Asset Impairment Charges (Credits) and Disposal Group Not Discontinued Operation Loss (Gain) on Disposal
Transportation Solutions
Restructuring Charges
Charges Incurred	$ 62	$ 145	$ 80
Industrial Solutions
Restructuring Charges
Charges Incurred	60	70	34
Communications Solutions
Restructuring Charges
Charges Incurred	22	45	23
Fiscal 2024 Actions
Restructuring Charges
Charges Incurred	86
Fiscal 2023 Actions
Restructuring Charges
Cumulative Charges Incurred	269
Charges Incurred	22	247
Fiscal 2023 Actions | Transportation Solutions
Restructuring Charges
Cumulative Charges Incurred	142
Fiscal 2023 Actions | Industrial Solutions
Restructuring Charges
Cumulative Charges Incurred	92
Fiscal 2023 Actions | Communications Solutions
Restructuring Charges
Cumulative Charges Incurred	35
Pre-Fiscal 2022 Actions
Restructuring Charges
Charges Incurred	11	1	(8)
Fiscal 2022 Actions
Restructuring Charges
Cumulative Charges Incurred	198
Charges Incurred	25	$ 12	$ 161
Fiscal 2022 Actions | Transportation Solutions
Restructuring Charges
Cumulative Charges Incurred	119
Fiscal 2022 Actions | Industrial Solutions
Restructuring Charges
Cumulative Charges Incurred	51
Fiscal 2022 Actions | Communications Solutions
Restructuring Charges
Cumulative Charges Incurred	$ 28