CONDENSED CONSOLIDATED STATEMENTS OF EQUITY - USD ($) shares in Millions, $ in Millions	Common Shares	Treasury Shares	Contributed Surplus	Accumulated Earnings	Accumulated Other Comprehensive Loss	TE Connectivity Ltd. Shareholders' Equity	Noncontrolling Interests	Total
Balance at at Sep. 28, 2018	$ 157	$ (1,134)		$ 12,114	$ (306)	$ 10,831		$ 10,831
Balance (in shares) at at Sep. 28, 2018	357	(12)
Increase (Decrease) in Equity:
Adoption of ASU No. 2016-16 | ASU 2016-16				(443)		(443)		(443)
Net income (loss)				715		715		715
Other comprehensive income (loss)					146	146		146
Share-based compensation expense			$ 39			39		39
Dividends				(616)		(616)		(616)
Exercise of share options		$ 17				17		17
Restricted share award vestings and other activity		$ 88	(39)	(60)		(11)		(11)
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (684)				(684)		$ (684)
Repurchase of common shares (in shares)		(9)						(9)
Balance at at Mar. 29, 2019	$ 157	$ (1,713)		11,710	(160)	9,994		$ 9,994
Balance (in shares) at at Mar. 29, 2019	357	(20)
Balance at at Dec. 28, 2018	$ 157	$ (1,550)		11,886	(257)	10,236		10,236
Balance (in shares) at at Dec. 28, 2018	357	(18)
Increase (Decrease) in Equity:
Net income (loss)				439		439		439
Other comprehensive income (loss)					97	97		97
Share-based compensation expense			16			16		16
Dividends				(620)		(620)		(620)
Exercise of share options		$ 10				10		10
Restricted share award vestings and other activity		$ 16	(16)	5		5		5
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (189)				(189)		(189)
Repurchase of common shares (in shares)		(3)
Balance at at Mar. 29, 2019	$ 157	$ (1,713)		11,710	(160)	9,994		9,994
Balance (in shares) at at Mar. 29, 2019	357	(20)
Balance at at Sep. 27, 2019	$ 154	$ (1,337)		12,256	(503)	10,570		10,570
Balance (in shares) at at Sep. 27, 2019	351	(16)
Increase (Decrease) in Equity:
Acquisition							$ 107	107
Net income (loss)				(430)		(430)		(430)
Other comprehensive income (loss)					(68)	(68)	(2)	(70)
Share-based compensation expense			37			37		37
Dividends				(635)		(635)		(635)
Exercise of share options		$ 27				27		27
Restricted share award vestings and other activity		$ 94	(37)	(69)		(12)		(12)
Restricted share award vestings and other activity (in shares)		1
Repurchase of common shares		$ (423)				(423)		$ (423)
Repurchase of common shares (in shares)		(5)						(5)
Balance at at Mar. 27, 2020	$ 154	$ (1,639)		11,122	(571)	9,066	105	$ 9,171
Balance (in shares) at at Mar. 27, 2020	351	(20)
Balance at at Dec. 27, 2019	$ 154	$ (1,389)		12,206	(414)	10,557		10,557
Balance (in shares) at at Dec. 27, 2019	351	(17)
Increase (Decrease) in Equity:
Acquisition							107	107
Net income (loss)				(456)		(456)		(456)
Other comprehensive income (loss)					(157)	(157)	(2)	(159)
Share-based compensation expense			15			15		15
Dividends				(635)		(635)		(635)
Exercise of share options		$ 13				13		13
Restricted share award vestings and other activity		17	$ (15)	7		9		9
Repurchase of common shares		$ (280)				(280)		(280)
Repurchase of common shares (in shares)		(3)
Balance at at Mar. 27, 2020	$ 154	$ (1,639)		$ 11,122	$ (571)	$ 9,066	$ 105	$ 9,171
Balance (in shares) at at Mar. 27, 2020	351	(20)