CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY - USD ($) shares in Millions, $ in Millions	Common Shares	Treasury Shares	Contributed Surplus	Accumulated Earnings	Accumulated Other Comprehensive Loss	Total
Balance fiscal year end at Sep. 30, 2016	$ 168	$ (1,624)	$ 1,801	$ 8,682	$ (542)	$ 8,485
Balance fiscal year end (in shares) at Sep. 30, 2016	383	(28)
Increase (Decrease) in Equity:
Cumulative-effect adjustment | ASU 2016-09				165		165
Net income				1,683		1,683
Other comprehensive income (loss)					382	382
Share-based compensation expense			99			99
Dividends			(564)			(564)
Exercise of share options		$ 117				117
Exercise of share options (in shares)		3
Restricted share award vestings and other activity		$ 195	(184)	(6)		5
Restricted share award vestings and other activity (in shares)		2
Repurchase of common shares		$ (621)				$ (621)
Repurchase of common shares (in shares)		(8)				(8)
Cancellation of treasury shares	$ (11)	$ 1,512	(1,152)	(349)
Cancellation of treasury shares (in shares)	(26)	26				26
Balance fiscal year end at Sep. 29, 2017	$ 157	$ (421)		10,175	(160)	$ 9,751
Balance fiscal year end (in shares) at Sep. 29, 2017	357	(5)
Increase (Decrease) in Equity:
Adoption of ASU No. 2018-02 | ASU 2018-02				38	(38)
Net income				2,565		2,565
Other comprehensive income (loss)					(108)	(108)
Share-based compensation expense			98			98
Dividends				(610)		(610)
Exercise of share options		$ 100				100
Exercise of share options (in shares)		1
Restricted share award vestings and other activity		$ 153	(98)	(54)		1
Restricted share award vestings and other activity (in shares)		2
Repurchase of common shares		$ (966)				$ (966)
Repurchase of common shares (in shares)		(10)				(10)
Balance fiscal year end at Sep. 28, 2018	$ 157	$ (1,134)		12,114	(306)	$ 10,831
Balance fiscal year end (in shares) at Sep. 28, 2018	357	(12)
Increase (Decrease) in Equity:
Cumulative-effect adjustment | ASU 2016-16				(443)		(443)
Net income				1,844		1,844
Other comprehensive income (loss)					(197)	(197)
Share-based compensation expense			75			75
Dividends				(613)		(613)
Exercise of share options		$ 85				85
Exercise of share options (in shares)		1
Restricted share award vestings and other activity		$ 154	$ (75)	(77)		2
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (1,014)				$ (1,014)
Repurchase of common shares (in shares)		(12)				(12)
Cancellation of treasury shares	$ (3)	$ 572		(569)
Cancellation of treasury shares (in shares)	(6)	6				6
Balance fiscal year end at Sep. 27, 2019	$ 154	$ (1,337)		$ 12,256	$ (503)	$ 10,570
Balance fiscal year end (in shares) at Sep. 27, 2019	351	(16)