Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Sep. 27, 2020	Sep. 29, 2019	Sep. 30, 2018
Net earnings including noncontrolling interests	$ 924.7	$ 3,594.6	$ 4,518.0
Other comprehensive income/(loss), net of tax:
Other comprehensive income/(loss)	133.9	(173.0)	(174.7)
Comprehensive income including noncontrolling interests	1,058.6	3,421.6	4,343.3
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest	(3.6)
Comprehensive Income (Loss), Net of Tax, Attributable to Parent	1,062.2	3,426.2	4,343.6
Available-for-sale Securities [Member]
Other comprehensive income/(loss), net of tax:
Unrealized holding gains/(losses) on available-for-sale securities, before tax	8.3	10.5	(7.0)
Unrealized holding gains/(losses) on available-for-sale securities, tax (expense)/benefit	(1.8)	(2.3)	1.9
Cash Flow Hedging [Member]
Other comprehensive income/(loss), net of tax:
Unrealized gains/(losses) on hedging instruments, before tax	(126.3)	(14.1)	24.4
Unrealized gains/(losses) on hedging instruments, tax (expense)/benefit	31.3	3.4	(6.5)
Net Investment Hedges [Member]
Other comprehensive income/(loss), net of tax:
Unrealized gains/(losses) on hedging instruments, before tax	38.7	(39.8)	7.8
Unrealized gains/(losses) on hedging instruments, tax (expense)/benefit	(9.8)	10.1	(2.2)
Translation Adjustment [Member]
Other comprehensive income/(loss), net of tax:
Translation adjustment and other, before tax	206.9	(146.2)	(220.0)
Translation adjustment and other, tax (expense)/benefit	1.5	2.5	3.4
Other comprehensive income/(loss)	208.4	(145.4)	(199.7)
Noncontrolling Interest [Member]
Net earnings including noncontrolling interests	(3.6)	(4.6)	(0.3)
Other comprehensive income/(loss), net of tax:
Other comprehensive income/(loss)	0.0	0.0	0.0
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	(20.1)	1.3	24.7
Reclassification adjustment for net gains (losses) realized in net earnings for available-for-sale securities, hedging instruments, and translation adjustment, tax expense/(benefit)	$ 5.2	$ 1.6	$ (1.2)