Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 31, 2024	Apr. 02, 2023	Mar. 31, 2024	Apr. 02, 2023
Net earnings/(loss)	$ 772.5	$ 908.3	$ 1,796.9	$ 1,763.6
Other comprehensive loss, net of tax:
Other comprehensive income	(63.7)	17.3	156.7	(58.4)
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest	708.8	925.6	1,953.6	1,705.2
Comprehensive income attributable to noncontrolling interests	0.0	0.0	0.2	0.0
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	708.8	925.6	1,953.4	1,705.2
Available-for-sale Securities [Member]
Other comprehensive loss, net of tax:
Unrealized holding gains/(losses) on available-for-sale securities, before tax	(0.4)	3.6	5.2	5.6
Other Comprehensive Income (Loss), Securities, Available-for-Sale, Unrealized Holding Gain (Loss) Arising During Period, Tax	0.1	(0.8)	(1.3)	(1.3)
Cash Flow Hedging [Member]
Other comprehensive loss, net of tax:
Net Gains/(Losses) Included in AOCI	36.4	(1.2)	71.8	(181.9)
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax	(9.3)	0.1	(11.1)	29.6
Net Investment Hedging [Member]
Other comprehensive loss, net of tax:
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification and Tax	92.5	(2.7)	67.3	(67.3)
Other Comprehensive Income (Loss), Net Investment Hedge, Gain (Loss), before Reclassification, Tax	23.3	(0.7)	17.0	(17.0)
Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest
Other comprehensive loss, net of tax:
Translation adjustment and other, before tax	(151.2)	74.7	31.9	283.6
Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax	(1.1)	0.0	3.6	0.0
Reclassification out of Accumulated Other Comprehensive Income [Member]
Other comprehensive loss, net of tax:
Reclassification adjustment for net (gains)/losses realized in net earnings for available-for-sale securities, hedging instruments, and translation adjustment, before tax	(13.6)	(66.6)	11.3	(165.0)
Reclassification adjustment for net (gains)/losses realized in net earnings for available-for-sale securities, hedging instruments, and translation adjustment, tax expense/(benefit)	$ 4.0	$ 9.5	$ 2.2	$ 21.3