Tyco Electronics Group S.A. - Cash Flows (Details) - USD ($) $ in Millions	6 Months Ended
	Mar. 25, 2016	Mar. 27, 2015
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	$ 522	$ 555
Net cash provided by (used in) discontinued operating activities	(2)	138
Net cash provided by operating activities	520	693
Cash Flows From Investing Activities:
Capital expenditures	(270)	(291)
Proceeds from sale of property, plant, and equipment	1	6
Acquisition of businesses, net of cash acquired	(6)	(1,729)
Proceeds from divestiture of business, net of cash retained by business sold	261
Other	29	(2)
Net cash provided by (used in) continuing investing activities	15	(2,016)
Net cash used in discontinued investing activities		(14)
Net cash provided by (used in) investing activities	15	(2,030)
Cash Flows From Financing Activities:
Net increase (decrease) in commercial paper	150	(92)
Proceeds from issuance of long-term debt	350	617
Repayment of long-term debt	(500)	(473)
Proceeds from exercise of share options	61	88
Repurchase of common shares	(2,523)	(285)
Payment of common share dividends to shareholders	(245)	(236)
Transfers (to) from discontinued operations	(2)	124
Other	(5)	(2)
Net cash used in continuing financing activities	(2,714)	(259)
Net cash provided by (used in) discontinued financing activities	2	(124)
Net cash used in financing activities	(2,712)	(383)
Effect of currency translation on cash	(2)	(40)
Net decrease in cash and cash equivalents	(2,179)	(1,760)
Cash and cash equivalents at beginning of period	3,329	2,457
Cash and cash equivalents at end of period	1,150	697
Consolidating Adjustments
Cash Flows From Investing Activities:
Change in intercompany loans	137	1,816
Net cash provided by (used in) continuing investing activities		1,816
Net cash provided by (used in) investing activities	137	1,816
Cash Flows From Financing Activities:
Loan activity with parent	(137)	(1,816)
Net cash used in continuing financing activities	(137)	(1,816)
Net cash used in financing activities	(137)	(1,816)
TE Connectivity Ltd. | Consolidating Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	(119)	(72)
Net cash provided by operating activities	(119)	(72)
Cash Flows From Financing Activities:
Changes in parent company equity	358	357
Repurchase of common shares	(2,523)	(285)
Payment of common share dividends to shareholders	(248)	(240)
Loan activity with parent	2,532	240
Net cash used in continuing financing activities	119	72
Net cash used in financing activities	119	72
TEGSA
Cash Flows From Investing Activities:
Internal Allocation of Proceeds from Divestiture of Discontinued Operations	(132)
TEGSA | Consolidating Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	(98)	105
Net cash provided by operating activities	(98)	105
Cash Flows From Investing Activities:
Proceeds from divestiture of business, net of cash retained by business sold	199
Change in intercompany loans	(137)	(1,816)
Other	(132)
Net cash provided by (used in) continuing investing activities		(1,816)
Net cash provided by (used in) investing activities	(70)	(1,816)
Cash Flows From Financing Activities:
Changes in parent company equity	173	1,439
Net increase (decrease) in commercial paper	150	(92)
Proceeds from issuance of long-term debt	349	617
Repayment of long-term debt	(500)	(250)
Other	(4)	(4)
Net cash used in continuing financing activities	168	1,710
Net cash used in financing activities	168	1,710
Net decrease in cash and cash equivalents		(1)
Cash and cash equivalents at beginning of period		1
Other Subsidiaries
Cash Flows From Investing Activities:
Internal Allocation of Proceeds from Divestiture of Discontinued Operations	132
Other Subsidiaries | Consolidating Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	739	522
Net cash provided by (used in) discontinued operating activities	(2)	138
Net cash provided by operating activities	737	660
Cash Flows From Investing Activities:
Capital expenditures	(270)	(291)
Proceeds from sale of property, plant, and equipment	1	6
Acquisition of businesses, net of cash acquired	(6)	(1,729)
Proceeds from divestiture of business, net of cash retained by business sold	62
Other	161	(2)
Net cash provided by (used in) continuing investing activities		(2,016)
Net cash used in discontinued investing activities		(14)
Net cash provided by (used in) investing activities	(52)	(2,030)
Cash Flows From Financing Activities:
Changes in parent company equity	(531)	(1,796)
Proceeds from issuance of long-term debt	1
Repayment of long-term debt		(223)
Proceeds from exercise of share options	61	88
Payment of common share dividends to shareholders	3	4
Loan activity with parent	(2,395)	1,576
Transfers (to) from discontinued operations	(2)	124
Other	(1)	2
Net cash used in continuing financing activities	(2,864)	(225)
Net cash provided by (used in) discontinued financing activities	2	(124)
Net cash used in financing activities	(2,862)	(349)
Effect of currency translation on cash	(2)	(40)
Net decrease in cash and cash equivalents	(2,179)	(1,759)
Cash and cash equivalents at beginning of period	3,329	2,456
Cash and cash equivalents at end of period	$ 1,150	$ 697