Equity (Changes in Components Of Accumulated Other Comprehensive Income, Net Of Tax) (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 02, 2022	Oct. 03, 2021	Sep. 27, 2020	Sep. 29, 2019
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption		$ (2.2)	$ 17.3
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ (8,698.7)	(5,314.5)	(7,799.4)	$ (6,231.0)
Other comprehensive income/(loss)	(610.4)	511.8	133.9
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption			(0.7)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(15.5)	1.5	5.7	3.9
Net gains/(losses) recognized in OCI before reclassifications, net of tax	(17.2)	(2.7)	6.5
Net (gains)/losses reclassified from AOCI to earnings, net of tax	0.2	(1.5)	(4.0)
Other comprehensive income/(loss)	(17.0)	(4.2)	2.5
Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption			3.0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	199.0	158.3	(82.1)	11.0
Net gains/(losses) recognized in OCI before reclassifications, net of tax	206.7	240.2	(95.0)
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(166.0)	0.2	(1.1)
Other comprehensive income/(loss)	40.7	240.4	(96.1)
Accumulated Net Investment Hedge Gain (Loss) Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Cumulative Effect of New Accounting Pronouncement in Period of Adoption			2.5
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	209.1	48.6	11.5	(10.1)
Net gains/(losses) recognized in OCI before reclassifications, net of tax	171.1	47.1	28.9
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(10.6)	(10.0)	(9.8)
Other comprehensive income/(loss)	160.5	37.1	19.1
Translation Adjustment [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	(855.8)	(61.2)	(299.7)	(508.1)
Net gains/(losses) recognized in OCI before reclassifications, net of tax	(794.7)	190.4	208.4
Net (gains)/losses reclassified from AOCI to earnings, net of tax	0.1	48.1	0.0
Other comprehensive income/(loss)	(794.6)	238.5	208.4
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	4.8
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(463.2)	147.2	(364.6)	$ (503.3)
Net gains/(losses) recognized in OCI before reclassifications, net of tax	(434.1)	475.0	148.8
Net (gains)/losses reclassified from AOCI to earnings, net of tax	(176.3)	36.8	(14.9)
Other comprehensive income/(loss)	$ (610.4)	$ 511.8	$ 133.9