CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS EQUITY - USD ($) shares in Millions, $ in Millions	Common Shares	Treasury Shares	Contributed Surplus	Accumulated Earnings (Deficit)	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				904		904
Other comprehensive income (loss)					(101)	(101)
Share-based compensation expense			$ 74			74
Dividends				(613)		(613)
Exercise of share options		$ 96				96
Exercise of share options (in shares)		2
Restricted share award vestings and other activity		$ 139	(74)	(72)		(7)
Repurchase of common shares		$ (612)				$ (612)
Repurchase of common shares (in shares)		(6)				(6)
Balance at Jun. 29, 2018	$ 157	$ (798)		10,432	(299)	$ 9,492
Balance (in shares) at Jun. 29, 2018	357	(9)
Balance at Mar. 30, 2018	$ 157	$ (585)		9,957	(49)	9,480
Balance (in shares) at Mar. 30, 2018	357	(6)
Increase (Decrease) in Equity:
Net income				454		454
Other comprehensive income (loss)					(250)	(250)
Share-based compensation expense			22			22
Dividends				4		4
Exercise of share options		$ 2				2
Restricted share award vestings and other activity		$ 14	(22)	17		9
Restricted share award vestings and other activity (in shares)		(1)
Repurchase of common shares		$ (229)				(229)
Repurchase of common shares (in shares)		(2)
Balance at Jun. 29, 2018	$ 157	$ (798)		10,432	(299)	9,492
Balance (in shares) at Jun. 29, 2018	357	(9)
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				1,472		1,472
Other comprehensive income (loss)					105	105
Share-based compensation expense			57			57
Dividends				(615)		(615)
Exercise of share options		$ 55				55
Restricted share award vestings and other activity		$ 118	(57)	(65)		(4)
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (836)				$ (836)
Repurchase of common shares (in shares)		(10)				(10)
Cancellation of treasury shares	$ (3)	$ 573		(570)
Cancellation of treasury shares (in shares)	(6)	6
Balance at Jun. 28, 2019	$ 154	$ (1,224)		11,893	(201)	$ 10,622
Balance (in shares) at Jun. 28, 2019	351	(15)
Balance at Mar. 29, 2019	$ 157	$ (1,713)		11,710	(160)	9,994
Balance (in shares) at Mar. 29, 2019	357	(20)
Increase (Decrease) in Equity:
Net income				757		757
Other comprehensive income (loss)					(41)	(41)
Share-based compensation expense			18			18
Dividends				1		1
Exercise of share options		$ 38				38
Restricted share award vestings and other activity		30	$ (18)	(5)		7
Repurchase of common shares		$ (152)				(152)
Repurchase of common shares (in shares)		(1)
Cancellation of treasury shares	$ (3)	$ 573		(570)
Cancellation of treasury shares (in shares)	(6)	6
Balance at Jun. 28, 2019	$ 154	$ (1,224)		$ 11,893	$ (201)	$ 10,622
Balance (in shares) at Jun. 28, 2019	351	(15)