Tyco Electronics Group S.A. - Cash Flows (Details) - USD ($) $ in Millions	9 Months Ended
	Jun. 24, 2016	Jun. 26, 2015
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	$ 1,237	$ 1,079
Net cash provided by discontinued operating activities	1	210
Net cash provided by operating activities	1,238	1,289
Cash Flows From Investing Activities:
Capital expenditures	(420)	(425)
Proceeds from sale of property, plant, and equipment	3	10
Acquisition of businesses, net of cash acquired	(994)	(1,726)
Proceeds from divestiture of business, net of cash retained by sold business	326
Other	28	(2)
Net cash used in continuing investing activities	(1,057)	(2,143)
Net cash used in discontinued investing activities		(22)
Net cash used in investing activities	(1,057)	(2,165)
Cash Flows From Financing Activities:
Net increase (decrease) in commercial paper	300	(197)
Proceeds from issuance of long-term debt	350	617
Repayment of long-term debt	(500)	(473)
Proceeds from exercise of share options	77	97
Repurchase of common shares	(2,657)	(511)
Payment of common share dividends to shareholders	(377)	(370)
Transfers from discontinued operations	1	188
Other	(5)	(2)
Net cash used in continuing financing activities	(2,811)	(651)
Net cash used in discontinued financing activities	(1)	(188)
Net cash used in financing activities	(2,812)	(839)
Effect of currency translation on cash	(4)	(41)
Net decrease in cash and cash equivalents	(2,635)	(1,756)
Cash and cash equivalents at beginning of period	3,329	2,457
Cash and cash equivalents at end of period	694	701
Consolidating Adjustments
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	(179)
Net cash provided by operating activities	(179)
Cash Flows From Investing Activities:
Change in intercompany loans	470	1,617
Net cash used in continuing investing activities		1,617
Net cash used in investing activities	470	1,617
Cash Flows From Financing Activities:
Loan activity with parent	(470)	(1,617)
Intercompany distributions	179
Net cash used in continuing financing activities	(291)	(1,617)
Net cash used in financing activities	(291)	(1,617)
TE Connectivity Ltd. | Consolidating Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	(175)	(131)
Net cash provided by operating activities	(175)	(131)
Cash Flows From Financing Activities:
Changes in parent company equity	380	86
Repurchase of common shares	(2,657)	(511)
Payment of common share dividends to shareholders	(381)	(375)
Loan activity with parent	2,833	931
Net cash used in continuing financing activities	175	131
Net cash used in financing activities	175	131
TEGSA
Cash Flows From Financing Activities:
Intercompany distributions	179
TEGSA | Consolidating Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	87	(45)
Net cash provided by operating activities	87	(45)
Cash Flows From Investing Activities:
Proceeds from divestiture of business, net of cash retained by sold business	199
Change in intercompany loans	(470)	(1,617)
Other	(135)
Net cash used in continuing investing activities		(1,617)
Net cash used in investing activities	(406)	(1,617)
Internal Allocation of Proceeds from Divestiture of Discontinued Operations	(135)
Cash Flows From Financing Activities:
Changes in parent company equity	174	1,497
Net increase (decrease) in commercial paper	300	(197)
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	319	1,663
Net cash used in financing activities	319	1,663
Net decrease in cash and cash equivalents		1
Cash and cash equivalents at beginning of period		1
Cash and cash equivalents at end of period		2
Other Subsidiaries | Consolidating Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	1,504	1,255
Net cash provided by discontinued operating activities	1	210
Net cash provided by operating activities	1,505	1,465
Cash Flows From Investing Activities:
Capital expenditures	(420)	(425)
Proceeds from sale of property, plant, and equipment	3	10
Acquisition of businesses, net of cash acquired	(994)	(1,726)
Proceeds from divestiture of business, net of cash retained by sold business	127
Other	163	(2)
Net cash used in continuing investing activities		(2,143)
Net cash used in discontinued investing activities		(22)
Net cash used in investing activities	(1,121)	(2,165)
Internal Allocation of Proceeds from Divestiture of Discontinued Operations	0
Cash Flows From Financing Activities:
Changes in parent company equity	(554)	(1,583)
Proceeds from issuance of long-term debt	1
Repayment of long-term debt		(223)
Proceeds from exercise of share options	77	97
Payment of common share dividends to shareholders	4	5
Loan activity with parent	(2,363)	686
Intercompany distributions	(179)
Transfers from discontinued operations	1	188
Other	(1)	2
Net cash used in continuing financing activities	(3,014)	(828)
Net cash used in discontinued financing activities	(1)	(188)
Net cash used in financing activities	(3,015)	(1,016)
Effect of currency translation on cash	(4)	(41)
Net decrease in cash and cash equivalents	(2,635)	(1,757)
Cash and cash equivalents at beginning of period	3,329	2,456
Cash and cash equivalents at end of period	$ 694	$ 699