Quarterly Financial Data (unaudited) (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Sep. 25, 2015	Jun. 26, 2015	Mar. 27, 2015	Dec. 26, 2014	Sep. 26, 2014	Jun. 27, 2014	Mar. 28, 2014	Dec. 27, 2013	Sep. 25, 2015	Sep. 26, 2014	Sep. 27, 2013
Quarterly Financial Data (unaudited)
Net sales	$ 2,984	$ 3,118	$ 3,082	$ 3,049	$ 3,072	$ 3,075	$ 2,964	$ 2,862	$ 12,233	$ 11,973	$ 11,390
Gross margin	968	1,048	1,051	1,020	1,014	1,018	995	945	4,087	3,972	3,651
Acquisition and integration costs	9	8	14	24	29	1	1		55	31	14
Restructuring and other charges (credits), net	70	19	38	25	4	10	(1)	6	152	19	222
Amounts attributable to TE Connectivity Ltd.:
Income from continuing operations	136	351	316	435	614	347	340	313	1,238	1,614	1,154
Income (loss) from discontinued operations, net of income taxes	904	(42)	283	37	49	56	22	40	1,182	167	122
Net income attributable to TE Connectivity Ltd.	$ 1,040	$ 309	$ 599	$ 472	$ 663	$ 403	$ 362	$ 353	$ 2,420	$ 1,781	$ 1,276
Basic earnings per share attributable to TE Connectivity Ltd.:
Income from continuing operations (in dollars per share)	$ 0.34	$ 0.86	$ 0.78	$ 1.07	$ 1.50	$ 0.85	$ 0.83	$ 0.76	$ 3.06	$ 3.94	$ 2.76
Net income (in dollars per share)	2.60	0.76	1.47	1.16	1.62	0.99	0.88	0.86	5.98	4.34	3.05
Diluted earnings per share attributable to TE Connectivity Ltd.:
Income from continuing operations (in dollars per share)	0.34	0.85	0.77	1.05	1.48	0.83	0.82	0.75	3.01	3.87	2.73
Net income (in dollars per share)	$ 2.57	$ 0.75	$ 1.45	$ 1.14	$ 1.59	$ 0.97	$ 0.87	$ 0.84	$ 5.89	$ 4.27	$ 3.02
Income tax benefit associated with settlement of certain U.S. tax matters	$ 63			$ 189					$ 264		$ 331
Other nonoperating expense, settlement of certain U.S. tax matters				83					84		231
Quarterly Financial Data (unaudited)
Income tax benefit associated with reduction in valuation allowance related to tax loss carryforwards									3	$ 239	$ 30
Income tax charges associated with intercompany legal entity restructurings	$ 216								$ 216
Amortization of fair value adjustments to inventories and customer order backlog				$ 27
ADC Telecommunications
Quarterly Financial Data (unaudited)
Income tax benefit associated with reduction in valuation allowance related to tax loss carryforwards					$ 282					$ 282