Condensed Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]
Common Stock, Shares, Outstanding		1,184.6
Balance, Amount at Sep. 29, 2019	$ (6,231.0)	$ 1.2	$ 41.1	$ (5,771.2)	$ (503.3)	$ (6,232.2)	$ 1.2
Net earnings	885.3	0.0	0.0	885.7	0.0	885.7	(0.4)
Other comprehensive income/(loss)	111.1	0.0	0.0	0.0	111.1	111.1	0.0
Stock-based compensation expense	91.3	0.0	91.3	0.0	0.0	91.3	0.0
Exercise of stock options/vesting of RSUs	(54.1)	$ 0.0	(54.1)	0.0	0.0	(54.1)	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		2.8
Sale of common stock	8.9	$ 0.0	8.9	0.0	0.0	8.9	0.0
Stock Repurchased and Retired During Period, Value	(1,107.9)	0.0	(46.1)	(1,061.8)	0.0	(1,107.9)	0.0
Dividends, Cash	(480.0)	$ 0.0	0.0	(480.0)	0.0	(480.0)	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0.1
Stock Repurchased and Retired During Period, Shares		(13.0)
Balance, Amount at Dec. 29, 2019	(6,759.1)	$ 1.2	41.1	(6,414.8)	(387.4)	(6,759.9)	0.8
Cumulative effect of adoption of new accounting guidance	$ 17.3	$ 0.0	0.0	12.5	4.8	17.3	0.0
Common Stock, Shares, Outstanding		1,174.5
Dividends Payable, Amount Per Share	$ 0.41
Common Stock, Shares, Outstanding		1,173.3
Balance, Amount at Sep. 27, 2020	$ (7,799.4)	$ 1.2	373.9	(7,815.6)	(364.6)	(7,805.1)	5.7
Net earnings	622.2	0.0	0.0	622.2	0.0	622.2	0.0
Other comprehensive income/(loss)	218.7	0.0	0.0	0.0	218.7	218.7	0.0
Stock-based compensation expense	100.5	0.0	100.5	0.0	0.0	100.5	0.0
Exercise of stock options/vesting of RSUs	4.0	$ 0.0	4.0	0.0	0.0	4.0	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		3.8
Sale of common stock	10.2	$ 0.0	10.2	0.0	0.0	10.2	0.0
Dividends, Cash	(1,058.0)	$ 0.0	0.0	(1,058.0)	0.0	(1,058.0)	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0.1
Balance, Amount at Dec. 27, 2020	(7,904.0)	$ 1.2	488.6	(8,253.6)	(145.9)	(7,909.7)	5.7
Cumulative effect of adoption of new accounting guidance	$ (2.2)	$ 0.0	$ 0.0	$ (2.2)	$ 0.0	$ (2.2)	$ 0.0
Common Stock, Shares, Outstanding		1,177.2
Dividends Payable, Amount Per Share	$ 0.90