Income Taxes - Deferred Tax Asset and Liabilities (Details) - USD ($) $ in Millions	Sep. 30, 2016	Sep. 25, 2015
Deferred tax assets:
Accrued liabilities and reserves	$ 286	$ 262
Tax loss and credit carryforwards	4,656	4,856
Inventories	46	57
Pension and postretirement benefits	349	295
Deferred revenue	11	17
Interest	470	394
Unrecognized income tax benefits	10	378
Other	32	4
Total Deferred tax assets, Gross	5,860	6,263
Deferred tax liabilities:
Intangible assets	(761)	(809)
Property, plant, and equipment	(15)	(1)
Other	(84)	(89)
Total Deferred tax liabilities, Gross	(860)	(899)
Net deferred tax asset before valuation allowance	5,000	5,364
Valuation allowance	(3,096)	(3,237)
Net deferred tax asset	$ 1,904	$ 2,127

Amount before allocation of valuation allowances of deferred tax asset attributable to interest.

No definition available.

Name:	tel_DeferredTaxAssetsInterest
Namespace Prefix:	tel_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

For entities that net deferred tax assets and tax liabilities, represents the unclassified net amount of deferred tax assets and liabilities as of the balance sheet date, before valuation allowance, which result from applying the applicable enacted tax rate to net temporary differences and carryforwards pertaining to assets or liabilities.

+ References

No definition available.