Equity (Components Of Accumulated Other Comprehensive Income, Net Of Tax) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 29, 2025	Jun. 30, 2024	Jun. 29, 2025	Jun. 30, 2024	Mar. 30, 2025	Sep. 29, 2024	Mar. 31, 2024	Oct. 01, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ (7,678.6)	$ (7,937.4)	$ (7,678.6)	$ (7,937.4)	$ (7,615.4)	$ (7,441.6)	$ (8,442.2)	$ (7,987.8)
Net gains/(losses) in AOCI, beginning of period			(428.8)
Other comprehensive income/(loss)	(6.2)	13.5	(106.4)	170.2
Net gains/(losses) in AOCI, end of period	(535.2)		(535.2)
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		(6.9)		(6.9)	(1.8)	(2.3)	(7.9)	(12.3)
Net gains/(losses) recognized in OCI before reclassifications	1.4	0.8	1.5	4.7
Net (gains)/losses reclassified from AOCI to earnings	0.2	0.2	0.6	0.7
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	1.6	1.0	2.1	5.4
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		353.8		353.8	371.1	247.7	279.2	243.3
Net gains/(losses) recognized in OCI before reclassifications	(58.0)	85.2	106.9	135.5
Net (gains)/losses reclassified from AOCI to earnings	(20.2)	(10.6)	(61.7)	(25.0)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(78.2)	74.6	45.2	110.5
Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		(1,025.5)		(1,025.5)	(965.6)	(744.7)	(933.4)	(961.7)
Net gains/(losses) recognized in OCI before reclassifications	157.6	(92.0)	(63.0)	(63.8)
Net (gains)/losses reclassified from AOCI to earnings	0.0	(0.1)	0.0	(0.1)
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	157.6	(92.1)	(63.0)	(63.9)
Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(7,686.0)	(7,945.4)	(7,686.0)	(7,945.4)	(7,622.5)	(7,448.9)	(8,449.4)	(7,994.8)
Other comprehensive income/(loss)	(6.3)	13.5	(106.2)	170.2
AOCI Attributable to Parent [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(535.2)	(608.0)	(535.2)	(608.0)	(529.0)	(428.8)	(621.5)	(778.2)
Net gains/(losses) recognized in OCI before reclassifications	33.0	23.5	24.0	166.6
Net (gains)/losses reclassified from AOCI to earnings	(39.3)	(10.0)	(130.2)	3.5
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(6.3)	13.5	(106.2)	170.1
Other comprehensive income/(loss)	(6.3)	13.5	(106.2)	170.2
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	0.0		0.0	0.0
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Including Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(0.2)		(0.2)
Accumulated Net Investment Hedge Gain (Loss) Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	0.0		0.0	0.0
AOCI, Accumulated Net Investment Hedge Gain (Loss) Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	292.9		292.9
Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	0.1		(0.2)	0.1
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(807.9)		(807.9)
AOCI Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	0.1		(0.2)	0.1
AOCI Including Portion Attributable to Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(535.2)		(535.2)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		70.6		70.6	$ 67.3	$ 70.5	$ 40.6	$ (47.5)
Net gains/(losses) recognized in OCI before reclassifications	(68.0)	29.5	(21.4)	90.2
Net (gains)/losses reclassified from AOCI to earnings	(19.3)	0.5	(69.1)	27.9
Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent	(87.3)	$ 30.0	(90.5)	118.1
Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(20.0)		(20.0)
Accumulated Gain (Loss), Net, Cash Flow Hedge, Noncontrolling Interest
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest	$ 0.0		$ 0.0	$ 0.0