Segment Reporting (Reconciliation Of Total Segment Operating Income To Consolidated Earnings Before Income Taxes) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 27, 2021	Jun. 28, 2020	Jun. 27, 2021	Jun. 28, 2020
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	$ 7,496.5	$ 4,222.1	$ 20,913.9	$ 17,314.9
Depreciation and amortization expenses	354.3	361.0	1,087.0	1,068.3
Income from equity investees	105.5	68.4	265.3	210.3
Operating income/(loss)	1,488.7	(703.9)	3,389.9	1,003.4
Americas [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	5,400.3	2,805.5	14,768.1	12,146.3
Depreciation and amortization expenses	188.9	191.3	563.9	571.9
Income from equity investees	0.0	0.0	0.0	0.0
Operating income/(loss)	1,315.7	(404.9)	3,034.4	1,315.1
International [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	1,658.4	949.6	4,923.7	3,655.3
Depreciation and amortization expenses	129.7	128.5	413.1	385.2
Income from equity investees	42.0	17.4	95.0	73.1
Operating income/(loss)	318.3	(86.0)	844.6	174.5
Channel Development [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	414.0	447.3	1,155.3	1,461.0
Depreciation and amortization expenses	0.2	0.3	0.9	0.9
Income from equity investees	63.5	51.0	170.3	137.2
Operating income/(loss)	216.0	124.2	569.3	489.3
Corporate and Other [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Total net revenues	23.8	19.7	66.8	52.3
Depreciation and amortization expenses	35.5	40.9	109.1	110.3
Income from equity investees	0.0	0.0	0.0	0.0
Operating income/(loss)	$ (361.3)	$ (337.2)	$ (1,058.4)	$ (975.5)