Consolidated Statements of Equity - USD ($) shares in Millions, $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income/(Loss) [Member]	Shareholders' Equity [Member]	Noncontrolling Interest [Member]
Common stock, Shares at Sep. 27, 2015		1,485.1
Balance, Amount at Sep. 27, 2015	$ 5,819.8	$ 1.5	$ 41.1	$ 5,974.8	$ (199.4)	$ 5,818.0	$ 1.8
Net earnings	2,818.9	0.0	0.0	2,817.7	0.0	2,817.7	1.2
Other comprehensive income/(loss)	91.0				91.0	91.0	0.0
Stock-based compensation expense	219.6	$ 0.0	219.6	0.0	0.0	219.6	0.0
Exercise of stock options/vesting of RSUs, including tax benefit, Shares		9.8
Exercise of stock options/vesting of RSUs, including tax benefit, Amount	153.0	$ 0.0	153.0	0.0	0.0	153.0	0.0
Sale of common stock, including tax benefit, Shares		0.5
Sale of common stock, including tax benefit, Amount	26.5	$ 0.0	26.5	0.0	0.0	26.5	0.0
Repurchase of common stock, Shares		(34.9)
Repurchase of common stock, Amount	(1,995.6)	$ 0.0	(399.1)	(1,596.5)	0.0	(1,995.6)	0.0
Cash dividends declared	(1,246.2)	$ 0.0	0.0	(1,246.2)	0.0	(1,246.2)	0.0
Noncontrolling interest resulting from acquisition	(3.7)						(3.7)
Common stock, Shares at Oct. 02, 2016		1,460.5
Balance, Amount at Oct. 02, 2016	5,890.7	$ 1.5	41.1	5,949.8	(108.4)	5,884.0	6.7
Net earnings	2,884.9	0.0	0.0	2,884.7	0.0	2,884.7	0.2
Other comprehensive income/(loss)	(47.2)				(47.2)	(47.2)	0.0
Stock-based compensation expense	177.9	$ 0.0	177.9	0.0	0.0	177.9	0.0
Exercise of stock options/vesting of RSUs, including tax benefit, Shares		8.1
Exercise of stock options/vesting of RSUs, including tax benefit, Amount	117.0	$ 0.0	117.0	0.0	0.0	117.0	0.0
Sale of common stock, including tax benefit, Shares		0.5
Sale of common stock, including tax benefit, Amount	28.7	$ 0.0	28.7	0.0	0.0	28.7	0.0
Repurchase of common stock, Shares		(37.5)
Repurchase of common stock, Amount	(2,079.1)	$ (0.1)	(323.6)	(1,755.4)	0.0	(2,079.1)	0.0
Cash dividends declared	$ (1,515.9)	$ 0.0	0.0	(1,515.9)	0.0	(1,515.9)	0.0
Common stock, Shares at Oct. 01, 2017	1,431.6	1,431.6
Balance, Amount at Oct. 01, 2017	$ 5,457.0	$ 1.4	41.1	5,563.2	(155.6)	5,450.1	6.9
Net earnings	4,518.0	0.0	0.0	4,518.3	0.0	4,518.3	(0.3)
Other comprehensive income/(loss)	(174.7)				(174.7)	(174.7)	0.0
Stock-based compensation expense	253.8	$ 0.0	253.8	0.0	0.0	253.8	0.0
Exercise of stock options/vesting of RSUs, including tax benefit, Shares		8.4
Exercise of stock options/vesting of RSUs, including tax benefit, Amount	$ 59.4	$ 0.0	59.4	0.0	0.0	59.4	0.0
Sale of common stock, including tax benefit, Shares	0.6	0.6
Sale of common stock, including tax benefit, Amount	$ 31.8	$ 0.0	31.8	0.0	0.0	31.8	0.0
Repurchase of common stock, Shares		(131.5)
Repurchase of common stock, Amount	(7,208.7)	$ (0.1)	(345.0)	(6,863.6)	0.0	(7,208.7)	0.0
Cash dividends declared	(1,760.5)	$ 0.0	0.0	(1,760.5)	0.0	(1,760.5)	0.0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders							(0.3)
Noncontrolling interest resulting from acquisition	$ (0.3)
Common stock, Shares at Sep. 30, 2018	1,309.1	1,309.1
Balance, Amount at Sep. 30, 2018	$ 1,175.8	$ 1.3	$ 41.1	$ 1,457.4	$ (330.3)	$ 1,169.5	$ 6.3