Equity (Changes in Components Of Accumulated Other Comprehensive Income, Net Of Tax) (Details) - USD ($) $ in Millions	12 Months Ended
	Sep. 29, 2024	Oct. 01, 2023	Oct. 02, 2022	Oct. 03, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ (7,441.6)	$ (7,987.8)	$ (8,698.7)	$ (5,314.5)
Other comprehensive income/(loss)	349.4	(315.0)	(610.4)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(2.3)	(12.3)	(15.5)	1.5
Net gains/(losses) recognized in OCI before reclassifications, net of tax	9.1	2.5	(17.2)
Net (gains)/losses reclassified from AOCI to earnings, net of tax	0.9	0.7	0.2
Other comprehensive income/(loss)	10.0	3.2	(17.0)
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	70.5	(47.5)	199.0	158.3
Net gains/(losses) recognized in OCI before reclassifications, net of tax	89.8	(132.2)	206.7
Net (gains)/losses reclassified from AOCI to earnings, net of tax	28.2	(114.3)	(166.0)
Other comprehensive income/(loss)	118.0	(246.5)	40.7
Accumulated Net Investment Hedge Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	247.7	243.3	209.1	48.6
Net gains/(losses) recognized in OCI before reclassifications, net of tax	41.6	54.7	171.1
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(37.2)	(20.5)	(10.6)
Other comprehensive income/(loss)	4.4	34.2	160.5
Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(744.7)	(961.7)	(855.8)	(61.2)
Net gains/(losses) recognized in OCI before reclassifications, net of tax	216.7	(106.5)	(794.7)
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(0.1)	1.3	0.1
Other comprehensive income/(loss)	216.6	(105.2)	(794.6)
Accumulated Other Comprehensive Income/(Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(428.8)	(778.2)	(463.2)	$ 147.2
Net gains/(losses) recognized in OCI before reclassifications, net of tax	357.2	(181.5)	(434.1)
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(8.2)	(132.8)	(176.3)
Other comprehensive income/(loss)	349.0	(314.3)	$ (610.4)
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest	0.0	0.0
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest	0.0	0.0
AOCI, Accumulated Net Investment Hedge Gain (Loss) Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest	0.0	0.0
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest	0.4	(0.7)
AOCI Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest	$ 0.4	$ (0.7)