CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - USD ($) shares in Millions, $ in Millions	Common Shares	Treasury Shares	Contributed Surplus	Accumulated Earnings	Accumulated Other Comprehensive Income	Total
Balance at Sep. 29, 2017	$ 157	$ (421)		$ 10,175	$ (160)	$ 9,751
Balance (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				450		450
Other comprehensive income					149	149
Share-based compensation expense			$ 52			52
Dividends				(617)		(617)
Exercise of share options		$ 94				94
Exercise of share options (in shares)		2
Restricted share award vestings and other activity		$ 125	(52)	(89)		(16)
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (383)				$ (383)
Repurchase of common shares (in shares)		(4)				(4)
Balance at Mar. 30, 2018	$ 157	$ (585)		9,957	(49)	$ 9,480
Balance (in shares) at Mar. 30, 2018	357	(6)
Balance at Dec. 29, 2017	$ 157	$ (489)		10,047	(84)	9,631
Balance (in shares) at Dec. 29, 2017	357	(6)
Increase (Decrease) in Equity:
Adoption of ASU No. 2018-02 | ASU 2018-02				38	(38)
Net income				490		490
Other comprehensive income					73	73
Share-based compensation expense			23			23
Dividends				(617)		(617)
Exercise of share options		$ 40				40
Exercise of share options (in shares)		1
Restricted share award vestings and other activity		$ 33	(23)	(1)		9
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (169)				(169)
Repurchase of common shares (in shares)		(2)
Balance at Mar. 30, 2018	$ 157	$ (585)		9,957	(49)	9,480
Balance (in shares) at Mar. 30, 2018	357	(6)
Balance at Sep. 28, 2018	$ 157	$ (1,134)		12,114	(306)	10,831
Balance (in shares) at Sep. 28, 2018	357	(12)
Increase (Decrease) in Equity:
Adoption of ASU No. 2016-16 | ASU 2016-16						(443)
Balance at Dec. 28, 2018	$ 157	$ (1,550)		11,886	(257)	10,236
Balance (in shares) at Dec. 28, 2018	357	(18)
Balance at Sep. 28, 2018	$ 157	$ (1,134)		12,114	(306)	10,831
Balance (in shares) at Sep. 28, 2018	357	(12)
Increase (Decrease) in Equity:
Adoption of ASU No. 2016-16 | ASU 2016-16				(443)		(443)
Net income				715		715
Other comprehensive income					146	146
Share-based compensation expense			39			39
Dividends				(616)		(616)
Exercise of share options		$ 17				17
Restricted share award vestings and other activity		$ 88	(39)	(60)		(11)
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (684)				$ (684)
Repurchase of common shares (in shares)		(9)				(9)
Balance at Mar. 29, 2019	$ 157	$ (1,713)		11,710	(160)	$ 9,994
Balance (in shares) at Mar. 29, 2019	357	(20)
Balance at Dec. 28, 2018	$ 157	$ (1,550)		11,886	(257)	10,236
Balance (in shares) at Dec. 28, 2018	357	(18)
Increase (Decrease) in Equity:
Net income				439		439
Other comprehensive income					97	97
Share-based compensation expense			16			16
Dividends				(620)		(620)
Exercise of share options		$ 10				10
Restricted share award vestings and other activity		$ 16	$ (16)	5		5
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (189)				(189)
Repurchase of common shares (in shares)		(3)
Balance at Mar. 29, 2019	$ 157	$ (1,713)		$ 11,710	$ (160)	$ 9,994
Balance (in shares) at Mar. 29, 2019	357	(20)