Equity (Components Of Accumulated Other Comprehensive Income, Net Of Tax) (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 02, 2022	Dec. 27, 2020	Oct. 03, 2021	Sep. 27, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ (8,450.3)	$ (7,904.0)	$ (5,314.5)	$ (7,799.4)
Net gains/(losses) in AOCI, beginning of period	147.2
Other comprehensive income/(loss)	106.3	218.7
Net gains/(losses) in AOCI, end of period	253.5
Cumulative effect of adoption of new accounting guidance		(2.2)
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	(1.2)	4.1	1.5	5.7
Net gains/(losses) recognized in OCI before reclassifications	(2.6)	(0.4)
Net (gains)/losses reclassified from AOCI to earnings	(0.1)	(1.2)
Other comprehensive income/(loss)	(2.7)	(1.6)
Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	224.6	(75.5)	158.3	(82.1)
Net gains/(losses) recognized in OCI before reclassifications	76.9	4.8
Net (gains)/losses reclassified from AOCI to earnings	(10.6)	1.8
Other comprehensive income/(loss)	66.3	6.6
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	77.1	(13.5)	48.6	11.5
Net gains/(losses) recognized in OCI before reclassifications	31.0	(22.6)
Net (gains)/losses reclassified from AOCI to earnings	(2.5)	(2.4)
Other comprehensive income/(loss)	28.5	(25.0)
Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(47.0)	(61.0)	(61.2)	(299.7)
Net gains/(losses) recognized in OCI before reclassifications	14.2	238.7
Net (gains)/losses reclassified from AOCI to earnings	0.0	0.0
Other comprehensive income/(loss)	14.2	238.7
Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(8,457.2)	(7,909.7)	(5,321.2)	(7,805.1)
Other comprehensive income/(loss)	106.3	218.7
Cumulative effect of adoption of new accounting guidance		(2.2)
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	253.5	(145.9)	$ 147.2	$ (364.6)
Net gains/(losses) recognized in OCI before reclassifications	119.5	220.5
Net (gains)/losses reclassified from AOCI to earnings	(13.2)	(1.8)
Other comprehensive income/(loss)	$ 106.3	218.7
Cumulative effect of adoption of new accounting guidance		$ 0.0