Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Oct. 03, 2021	Sep. 27, 2020	Sep. 29, 2019
Net earnings including noncontrolling interests	$ 4,200.3	$ 924.7	$ 3,594.6
Other comprehensive income/(loss), net of tax:
Other comprehensive income/(loss)	511.8	133.9	(173.0)
Comprehensive income including noncontrolling interests	4,712.1	1,058.6	3,421.6
Comprehensive Income, Net of Tax, Attributable to Parent	4,711.1	1,062.2	3,426.2
Available-for-sale Securities [Member]
Other comprehensive income/(loss), net of tax:
Unrealized holding gains/(losses) on available-for-sale securities, before tax	(3.4)	8.3	10.5
Unrealized holding gains/(losses) on available-for-sale securities, tax (expense)/benefit	0.7	(1.8)	(2.3)
Cash Flow Hedging [Member]
Other comprehensive income/(loss), net of tax:
Unrealized gains/(losses) on hedging instruments, before tax	283.8	(126.3)	(14.1)
Unrealized gains/(losses) on hedging instruments, tax (expense)/benefit	(43.6)	31.3	3.4
Net Investment Hedges [Member]
Other comprehensive income/(loss), net of tax:
Unrealized gains/(losses) on hedging instruments, before tax	63.1	38.7	(39.8)
Unrealized gains/(losses) on hedging instruments, tax (expense)/benefit	(16.0)	(9.8)	10.1
Translation Adjustment [Member]
Other comprehensive income/(loss), net of tax:
Translation adjustment and other, before tax	188.2	206.9	(146.2)
Translation adjustment and other, tax (expense)/benefit	2.2	1.5	2.5
Other comprehensive income/(loss)	238.5	208.4	(145.4)
Noncontrolling Interest [Member]
Net earnings including noncontrolling interests	1.0
Other comprehensive income/(loss), net of tax:
Other comprehensive income/(loss)	0.0	0.0	0.0
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	1.0	(3.6)	(4.6)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Other comprehensive income/(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	41.8	(20.1)	1.3
Reclassification adjustment for net gains (losses) realized in net earnings for available-for-sale securities, hedging instruments, and translation adjustment, tax expense/(benefit)	$ (5.0)	$ 5.2	$ 1.6