Segment Reporting (Reconciliation Of Total Segment Operating Income To Consolidated Earnings Before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Apr. 02, 2023	Mar. 31, 2024	Apr. 02, 2023
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	$ 8,563.0	$ 8,719.8	$ 17,988.3	$ 17,433.8
Depreciation and amortization expenses	371.9	341.9	737.2	669.0
Income (Loss) from Equity Method Investments	68.0	51.4	123.8	109.2
Operating income/(loss)	1,098.9	1,327.5	2,584.3	2,580.7
North America [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	6,380.0	6,380.6	13,500.7	12,931.8
Depreciation and amortization expenses	257.1	226.3	507.5	443.1
Income (Loss) from Equity Method Investments	0.0	0.0	0.0	0.0
Operating income/(loss)	1,148.3	1,217.9	2,669.1	2,430.4
International [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	1,757.3	1,854.8	3,603.6	3,534.9
Depreciation and amortization expenses	84.3	86.3	168.3	167.7
Income (Loss) from Equity Method Investments	0.2	0.8	0.3	1.2
Operating income/(loss)	233.8	314.7	475.3	555.1
Channel Development [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	418.2	480.7	866.2	958.9
Depreciation and amortization expenses	0.0	0.0	0.0	0.1
Income (Loss) from Equity Method Investments	67.8	50.6	123.5	108.0
Operating income/(loss)	216.3	262.1	426.0	488.4
Corporate and Other [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	7.5	3.7	17.8	8.2
Depreciation and amortization expenses	30.5	29.3	61.4	58.1
Income (Loss) from Equity Method Investments	0.0	0.0	0.0	0.0
Operating income/(loss)	$ (499.5)	$ (467.2)	$ (986.1)	$ (893.2)