Equity (Changes in Components Of Accumulated Other Comprehensive Income, Net Of Tax) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 01, 2023	Oct. 02, 2022	Oct. 03, 2021	Sep. 27, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption			$ (2.2)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ (7,987.8)	$ (8,698.7)	(5,314.5)	$ (7,799.4)
Other comprehensive income/(loss)	(315.0)	(610.4)	511.8
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	(12.3)	(15.5)	1.5	5.7
Net gains/(losses) recognized in OCI before reclassifications, net of tax	2.5	(17.2)	(2.7)
Net (gains)/losses reclassified from AOCI to earnings, net of tax	0.7	0.2	(1.5)
Other comprehensive income/(loss)	3.2	(17.0)	(4.2)
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(47.5)	199.0	158.3	(82.1)
Net gains/(losses) recognized in OCI before reclassifications, net of tax	(132.2)	206.7	240.2
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(114.3)	(166.0)	0.2
Other comprehensive income/(loss)	(246.5)	40.7	240.4
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	243.3	209.1	48.6	11.5
Net gains/(losses) recognized in OCI before reclassifications, net of tax	54.7	171.1	47.1
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(20.5)	(10.6)	(10.0)
Other comprehensive income/(loss)	34.2	160.5	37.1
Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(961.7)	(855.8)	(61.2)	(299.7)
Net gains/(losses) recognized in OCI before reclassifications, net of tax	(106.5)	(794.7)	190.4
Net (gains)/losses reclassified from AOCI to earnings, net of tax	1.3	0.1	48.1
Other comprehensive income/(loss)	(105.2)	(794.6)	238.5
Accumulated Other Comprehensive Income/(Loss) [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption			0.0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(778.2)	(463.2)	147.2	$ (364.6)
Net gains/(losses) recognized in OCI before reclassifications, net of tax	(181.5)	(434.1)	475.0
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(132.8)	(176.3)	36.8
Other comprehensive income/(loss)	(314.3)	$ (610.4)	$ 511.8
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
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
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
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	(0.7)
AOCI Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest	$ (0.7)