Condensed Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings/(Deficit) [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]
Balance, Amount at Sep. 29, 2019	$ (6,231.0)	$ 1.2	$ 41.1	$ (5,771.2)	$ (503.3)	$ (6,232.2)	$ 1.2
Common Stock, Shares, Outstanding, Beginning Balance at Sep. 29, 2019		1,184.6
Cumulative effect of adoption of new accounting guidance	17.3	$ 0.0	0.0	12.5	4.8	17.3	0.0
Net earnings/(loss)	532.0	0.0	0.0	535.7	0.0	535.7	(3.7)
Other comprehensive income/(loss)	(31.4)	0.0	0.0	0.0	(31.4)	(31.4)	0.0
Stock-based compensation expense	190.7	$ 0.0	190.7	0.0	0.0	190.7	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		4.2
Exercise of stock options/vesting of RSUs	(18.3)	$ 0.0	(18.3)	0.0	0.0	(18.3)	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0.4
Sale of common stock	28.3	$ 0.0	28.3	0.0	0.0	28.3	0.0
Stock Repurchased and Retired During Period, Shares		(20.3)
Stock Repurchased and Retired During Period, Value	(1,675.0)	$ 0.0	(126.4)	(1,548.6)	0.0	(1,675.0)	0.0
Dividends, Cash	$ (1,436.9)	$ 0.0	0.0	(1,436.7)	0.0	(1,436.7)	(0.2)
Common Stock, Dividends, Per Share, Declared	$ 1.23
Common Stock, Shares, Outstanding at Jun. 28, 2020		1,168.9
Balance, Amount at Jun. 28, 2020	$ (8,624.3)	$ 1.2	115.4	(8,208.3)	(529.9)	(8,621.6)	(2.7)
Balance, Amount at Mar. 29, 2020	(7,532.9)	$ 1.2	41.1	(7,050.6)	(521.8)	(7,530.1)	(2.8)
Common Stock, Shares, Outstanding, Beginning Balance at Mar. 29, 2020		1,168.1
Net earnings/(loss)	(678.1)	$ 0.0	0.0	(678.4)	0.0	(678.4)	0.3
Other comprehensive income/(loss)	(8.1)	0.0	0.0	0.0	(8.1)	(8.1)	0.0
Stock-based compensation expense	42.3	$ 0.0	42.3	0.0	0.0	42.3	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		0.6
Exercise of stock options/vesting of RSUs	22.2	$ 0.0	22.2	0.0	0.0	22.2	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0.2
Sale of common stock	9.8	$ 0.0	9.8	0.0	0.0	9.8	0.0
Dividends, Cash	$ (479.5)	$ 0.0	0.0	(479.3)	0.0	(479.3)	(0.2)
Common Stock, Dividends, Per Share, Declared	$ 0.41
Common Stock, Shares, Outstanding at Jun. 28, 2020		1,168.9
Balance, Amount at Jun. 28, 2020	$ (8,624.3)	$ 1.2	115.4	(8,208.3)	(529.9)	(8,621.6)	(2.7)
Balance, Amount at Sep. 27, 2020	(7,799.4)	$ 1.2	373.9	(7,815.6)	(364.6)	(7,805.1)	5.7
Common Stock, Shares, Outstanding, Beginning Balance at Sep. 27, 2020		1,173.3
Cumulative effect of adoption of new accounting guidance	(2.2)	$ 0.0	0.0	(2.2)	0.0	(2.2)	0.0
Net earnings/(loss)	2,435.7	0.0	0.0	2,434.9	0.0	2,434.9	0.8
Other comprehensive income/(loss)	334.9	0.0	0.0	0.0	334.9	334.9	0.0
Stock-based compensation expense	258.1	$ 0.0	258.1	0.0	0.0	258.1	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		5.4
Exercise of stock options/vesting of RSUs	65.7	$ 0.0	65.7	0.0	0.0	65.7	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0.3
Sale of common stock	31.6	$ 0.0	31.6	0.0	0.0	31.6	0.0
Dividends, Cash	$ (2,118.7)	$ 0.0	0.0	(2,118.7)	0.0	(2,118.7)	0.0
Common Stock, Dividends, Per Share, Declared	$ 1.80
Common Stock, Shares, Outstanding at Jun. 27, 2021		1,179.0
Balance, Amount at Jun. 27, 2021	$ (6,794.3)	$ 1.2	729.3	(7,501.6)	(29.7)	(6,800.8)	6.5
Balance, Amount at Mar. 28, 2021	(7,648.3)	$ 1.2	595.4	(8,124.3)	(126.3)	(7,654.0)	5.7
Common Stock, Shares, Outstanding, Beginning Balance at Mar. 28, 2021		1,177.9
Net earnings/(loss)	1,154.2	$ 0.0	0.0	1,153.4	0.0	1,153.4	0.8
Other comprehensive income/(loss)	96.6	0.0	0.0	0.0	96.6	96.6	0.0
Stock-based compensation expense	80.9	$ 0.0	80.9	0.0	0.0	80.9	0.0
Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture		1.0
Exercise of stock options/vesting of RSUs	41.7	$ 0.0	41.7	0.0	0.0	41.7	0.0
Stock Issued During Period, Shares, Employee Stock Purchase Plans		0.1
Sale of common stock	11.3	$ 0.0	11.3	0.0	0.0	11.3	0.0
Dividends, Cash	$ (530.7)	$ 0.0	0.0	(530.7)	0.0	(530.7)	0.0
Common Stock, Dividends, Per Share, Declared	$ 0.45
Common Stock, Shares, Outstanding at Jun. 27, 2021		1,179.0
Balance, Amount at Jun. 27, 2021	$ (6,794.3)	$ 1.2	$ 729.3	$ (7,501.6)	$ (29.7)	$ (6,800.8)	$ 6.5