Pension and Other Postretirement Benefit Plans - Schedule of Significant Actuarial Assumptions in Determining the Funded Status and Benefit Cost (Details)	12 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Sep. 28, 2018
U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Rates of compensation increases	350.00%	3.50%	3.50%
Expected long-term rates of return on assets		5.10%
U.S. Plans | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rates	2.00%	2.80%	3.90%
Expected long-term rates of return on assets	4.60%		5.80%
U.S. Plans | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rates	2.70%	3.10%	4.20%
Expected long-term rates of return on assets	4.70%		5.90%
Non-U.S. Plans | Minimum
Defined Benefit Plan Disclosure [Line Items]
Discount rates	0.40%	0.20%	1.30%
Rates of compensation increases	2.70%	3.70%	3.80%
Expected long-term rates of return on assets	1.80%	2.30%	3.80%
Non-U.S. Plans | Maximum
Defined Benefit Plan Disclosure [Line Items]
Discount rates	6.60%	7.10%	8.10%
Rates of compensation increases	7.50%	7.50%	7.50%
Expected long-term rates of return on assets	7.00%	7.50%	7.50%