Tyco Electronics Group S.A. (Details 3) - USD ($) $ in Millions	12 Months Ended
	Sep. 25, 2015	Sep. 26, 2014	Sep. 27, 2013
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	$ 1,619	$ 1,804	$ 1,775
Net cash used in discontinued operating activities	294	279	271
Net cash provided by (used in) operating activities	1,913	2,083	2,046
Cash Flows From Investing Activities:
Capital expenditures	(600)	(635)	(581)
Proceeds from sale of property, plant, and equipment	17	129	22
Acquisition of businesses, net of cash acquired	(1,725)	(522)	(6)
Proceeds from divestiture of discontinued operations, net of cash retained by sold operations	2,957		14
Other	12	(10)	23
Net cash provided by (used in) continuing investing activities	661	(1,038)	(528)
Net cash used in discontinued investing activities	(25)	(37)	(17)
Net cash provided by (used in) investing activities	636	(1,075)	(545)
Cash Flows From Financing Activities:
Net increase (decrease) in commercial paper	(328)	(23)	50
Proceeds from issuance of long-term debt	617	1,322
Repayment of long-term debt	(473)	(360)	(714)
Proceeds from exercise of share options	103	156	214
Repurchase of common shares	(1,023)	(578)	(844)
Payment of common share dividends and cash distributions to shareholders	(502)	(443)	(384)
Transfers from discontinued operations	269	242	254
Other		(9)
Net cash provided by (used in) continuing financing activities	(1,337)	307	(1,424)
Net cash used in discontinued financing activities	(269)	(242)	(254)
Net cash provided by (used in) financing activities	(1,606)	65	(1,678)
Effect of currency translation on cash	(71)	(19)	(9)
Net increase (decrease) in cash and cash equivalents	872	1,054	(186)
Cash and cash equivalents at beginning of fiscal year	2,457	1,403	1,589
Cash and cash equivalents at end of fiscal year	3,329	2,457	1,403
Consolidating Adjustments
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	(2,661)	(1,882)	(5,876)
Net cash provided by (used in) operating activities	(2,661)	(1,882)	(5,876)
Cash Flows From Investing Activities:
Intercompany distribution receipts		(99)	(1,100)
Change in intercompany loans	1,304	(347)	(1,566)
Net cash provided by (used in) continuing investing activities	1,304	(446)	(2,666)
Net cash provided by (used in) investing activities	1,304	(446)	(2,666)
Cash Flows From Financing Activities:
Intercompany distributions	2,661	1,981	6,976
Loan activity with affiliates	(1,304)	347	1,566
Net cash provided by (used in) continuing financing activities	1,357	2,328	8,542
Net cash provided by (used in) financing activities	1,357	2,328	8,542
TE Connectivity Ltd. | Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	1,186	(296)	3,621
Net cash provided by (used in) operating activities	1,186	(296)	3,621
Cash Flows From Investing Activities:
Proceeds from sale of property, plant, and equipment			1
Other			(3)
Net cash provided by (used in) continuing investing activities			(2)
Net cash provided by (used in) investing activities			(2)
Cash Flows From Financing Activities:
Changes in parent company equity	80	67	(826)
Repurchase of common shares	(916)	(127)	(602)
Payment of common share dividends and cash distributions to shareholders	(515)	(452)	(391)
Loan activity with affiliates	165	808	(1,800)
Net cash provided by (used in) continuing financing activities	(1,186)	296	(3,619)
Net cash provided by (used in) financing activities	(1,186)	296	(3,619)
TEGSA | Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	1,270	1,829	1,972
Net cash provided by (used in) operating activities	1,270	1,829	1,972
Cash Flows From Investing Activities:
Proceeds from divestiture of discontinued operations, net of cash retained by sold operations	709
Intercompany distribution receipts		99	1,100
Change in intercompany loans	(1,304)	347	1,566
Net cash provided by (used in) continuing investing activities	(595)	446	2,666
Net cash provided by (used in) investing activities	(595)	446	2,666
Cash Flows From Financing Activities:
Changes in parent company equity	624	(3,259)	(174)
Net increase (decrease) in commercial paper	(328)	(23)	50
Proceeds from issuance of long-term debt	617	1,322
Repayment of long-term debt	(250)	(303)	(714)
Intercompany distributions	(1,335)		(3,800)
Other	(4)	(11)
Net cash provided by (used in) continuing financing activities	(676)	(2,274)	(4,638)
Net cash provided by (used in) financing activities	(676)	(2,274)	(4,638)
Net increase (decrease) in cash and cash equivalents	(1)	1
Cash and cash equivalents at beginning of fiscal year	1
Cash and cash equivalents at end of fiscal year		1
Other Subsidiaries | Reportable entities
Cash Flows From Operating Activities:
Net cash provided by (used in) continuing operating activities	1,824	2,153	2,058
Net cash used in discontinued operating activities	294	279	271
Net cash provided by (used in) operating activities	2,118	2,432	2,329
Cash Flows From Investing Activities:
Capital expenditures	(600)	(635)	(581)
Proceeds from sale of property, plant, and equipment	17	129	21
Acquisition of businesses, net of cash acquired	(1,725)	(522)	(6)
Proceeds from divestiture of discontinued operations, net of cash retained by sold operations	2,248		14
Other	12	(10)	26
Net cash provided by (used in) continuing investing activities	(48)	(1,038)	(526)
Net cash used in discontinued investing activities	(25)	(37)	(17)
Net cash provided by (used in) investing activities	(73)	(1,075)	(543)
Cash Flows From Financing Activities:
Changes in parent company equity	(704)	3,192	1,000
Repayment of long-term debt	(223)	(57)
Proceeds from exercise of share options	103	156	214
Repurchase of common shares	(107)	(451)	(242)
Payment of common share dividends and cash distributions to shareholders	13	9	7
Intercompany distributions	(1,326)	(1,981)	(3,176)
Loan activity with affiliates	1,139	(1,155)	234
Transfers from discontinued operations	269	242	254
Other	4	2
Net cash provided by (used in) continuing financing activities	(832)	(43)	(1,709)
Net cash used in discontinued financing activities	(269)	(242)	(254)
Net cash provided by (used in) financing activities	(1,101)	(285)	(1,963)
Effect of currency translation on cash	(71)	(19)	(9)
Net increase (decrease) in cash and cash equivalents	873	1,053	(186)
Cash and cash equivalents at beginning of fiscal year	2,456	1,403	1,589
Cash and cash equivalents at end of fiscal year	$ 3,329	$ 2,456	$ 1,403