Document and Entity Information Statement [Table] Class of Stock [Axis] Class of Stock [Domain] Common Stock [Member] Ordinary Shares Ordinary Shares Represents information pertaining to the senior notes with an interest rate of 2.50 percent, due in 2028. Senior Notes 2.50 Percent Due 2028 [Member] 2.50% euro-denominated senior notes due 2028 Represents information pertaining to the senior notes with an interest rate of 0.00 percent, due in 2029 0.00% euro-denominated senior notes due 2029 0.00% Senior Notes due 2029 Represents information pertaining to the senior notes with an interest rate of 3.25 percent, due in 2033. Senior Notes 3.25 Percent Due 2033 [Member] 3.25% euro-denominated senior notes due 2033 Statement [Line Items] Statement Document Type Document Quarterly Report Document Period End Date Document Transition Report Securities Act File Number Entity Registrant Name Entity Central Index Key Entity Incorporation, State or Country Code Entity Tax Identification Number Country Region City Area Code Local Phone Number Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Postal Zip Code Entity Address, City or Town Entity Address, Country Title of 12(b) Security Trading Symbol Security Exchange Name Amendment Flag Current Fiscal Year End Date Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Shell Company Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS Revenue from Contract with Customer, Excluding Assessed Tax Net sales Cost of Goods and Services Sold Cost of sales Gross Profit Gross margin Selling, General and Administrative Expense Selling, general, and administrative expenses Amount of expense for research and development. Includes, but is not limited to, cost for computer software product to be sold, leased, or otherwise marketed and writeoff of research and development assets acquired in transaction other than business combination or joint venture formation or both. Excludes write-down of intangible asset acquired in business combination or from joint venture formation or both, used in research and development activity. Also includes engineering costs incurred to customize, alter, or update products. Research and Development and Engineering Expense Research, development, and engineering expenses Amount of transaction cost incurred to effect business combination. Also, includes amount of expense for integration-related cost incurred in connection with business combination including system integration and conversion costs; severance and other employee-related costs; restructuring and other post-combination costs. Business Acquisition, Cost of Acquired Entity Transaction Costs and Business Combination Integration Related Costs Acquisition and integration costs Amount of expenses associated with exit or disposal activities pursuant to an authorized plan, excluding expenses related to a discontinued operation or an asset retirement obligation. Also includes the amount before tax of loss (gain) recognized on the sale or disposal of a disposal group that is not a discontinued operation and other charges (credits). Restructuring and Asset Impairment Charges (Credits) and Disposal Group Not Discontinued Operation Loss (Gain) on Disposal Restructuring and other charges, net Restructuring and other charges, net Operating Income (Loss) Operating income Interest Income, Other Interest income Interest Expense, Nonoperating Interest expense Interest expense Other Nonoperating Income (Expense) Other income (expense), net Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income from continuing operations before income taxes Income Tax Expense (Benefit) Income tax expense Income tax expense Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Income from continuing operations Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Loss from discontinued operations, net of income taxes Loss from discontinued operations, net of income taxes Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income Net income Earnings Per Share, Basic [Abstract] Basic earnings per share: Income (Loss) from Continuing Operations, Per Basic Share Income from continuing operations (in dollars per share) Earnings Per Share, Basic Net income (in dollars per share) Earnings Per Share, Diluted [Abstract] Diluted earnings per share: Income (Loss) from Continuing Operations, Per Diluted Share Income from continuing operations (in dollars per share) Earnings Per Share, Diluted Net income (in dollars per share) Earnings Per Share Weighted-average number of shares outstanding: Weighted Average Number of Shares Outstanding, Basic Basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Diluted (in shares) Diluted (in shares) CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME Other Comprehensive Income (Loss), Net of Tax [Abstract] Other comprehensive income (loss): Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Currency translation Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Adjustments to unrecognized pension and postretirement benefit costs, net of income taxes Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Gains (losses) on cash flow hedges, net of income taxes Other Comprehensive Income (Loss), Net of Tax Other comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Less: comprehensive (income) loss attributable to noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive income attributable to TE Connectivity plc CONDENSED CONSOLIDATED BALANCE SHEETS Common Class A [Member] Ordinary class A Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents Accounts Receivable, after Allowance for Credit Loss, Current Accounts receivable, net of allowance for doubtful accounts of $51 and $44, respectively Inventory, Net Inventories Inventories Prepaid Expense and Other Assets, Current Prepaid expenses and other current assets Assets, Current Total current assets Property, Plant and Equipment, Net Property, plant, and equipment, net Goodwill Goodwill, ending balance Goodwill, beginning balance Goodwill Finite-Lived Intangible Assets, Net Intangible assets, net Net Carrying Amount Deferred Income Tax Assets, Net Deferred income taxes Other Assets, Noncurrent Other assets Assets Total assets Liabilities and Equity [Abstract] Liabilities, redeemable noncontrolling interests, and shareholders' equity Liabilities, Current [Abstract] Current liabilities: Debt, Current Short-term debt Accounts Payable, Current Accounts payable Other Liabilities, Current Accrued and other current liabilities Liabilities, Current Total current liabilities Long-Term Debt, Excluding Current Maturities Long-term debt Liability, Defined Benefit Plan, Noncurrent Long-term pension and postretirement liabilities Deferred Income Tax Liabilities, Net Deferred income taxes Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due beyond one year or the operating cycle, whichever is longer. Also, the amount recognized for uncertainty in income taxes classified as noncurrent. Accrued Income Taxes, Noncurrent, and Liability for Uncertain Tax Positions, Noncurrent Income taxes Other Liabilities, Noncurrent Other liabilities Liabilities Total liabilities Commitments and Contingencies Commitments and contingencies (Note 9) Redeemable Noncontrolling Interest, Equity, Carrying Amount Redeemable noncontrolling interests Equity, Attributable to Parent [Abstract] Shareholders' equity: Preferred Stock, Value, Issued Preferred shares, $1.00 par value, 2 shares authorized, none outstanding Common Stock, Value, Issued Ordinary shares Retained Earnings (Accumulated Deficit) Accumulated earnings Treasury Stock, Common, Value Ordinary shares held in treasury, at cost, 6,156,342 and 8,330,931 shares, respectively Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive income Equity, Including Portion Attributable to Noncontrolling Interest Balance Balance Total shareholders' equity Liabilities and Equity Total liabilities, redeemable noncontrolling interests, and shareholders' equity Accounts Receivable, Allowance for Credit Loss, Current Accounts receivable, allowance for doubtful accounts (in dollars) Preferred Stock, Par or Stated Value Per Share Preferred shares, par value (in currency per share) Preferred Stock, Shares Authorized Preferred shares, shares authorized Preferred Stock, Shares Outstanding Preferred shares, shares outstanding Common Stock, Par or Stated Value Per Share Ordinary shares, par value (in currency per share) Common Stock, Shares Authorized Ordinary shares, shares authorized Common Stock, Shares, Outstanding Ordinary shares, shares outstanding Common Stock, Shares, Issued Ordinary shares, shares issued Treasury Stock, Common, Shares Ordinary Shares Held in Treasury (in shares) Ordinary Shares Held in Treasury (in shares) Ordinary shares held in treasury CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY Equity Components [Axis] Equity Component [Domain] Treasury Stock, Common [Member] Ordinary Shares Held in Treasury Ordinary Shares Held in Treasury Additional Paid-in Capital [Member] Contributed Surplus Retained Earnings [Member] Accumulated Earnings AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Shareholders' Equity: Shares, Issued Balance (in shares) Balance (in shares) Amount of ordinary shares and accumulated earnings adjustment for change in place of incorporation. Ordinary Shares And Accumulated Earnings Adjustment For Change In Place Of Incorporation Change in place of incorporation Net income Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive income (loss) APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Share-based compensation expense Dividends Dividends Stock Issued During Period, Value, Stock Options Exercised Exercise of share options Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Exercise of share options (in shares) Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited and other activity. Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures And Other Activity Restricted share award vestings and other activity Number of shares issued during the period related to Restricted Stock Awards, net of any shares forfeited and other activity. Stock Issued During Period Shares Restricted Stock Award Net Of Forfeitures And Other Activity Restricted share award vestings and other activity (in shares) Treasury Stock, Value, Acquired, Cost Method Repurchase of ordinary shares Repurchase value Treasury Stock, Shares, Acquired Repurchase of ordinary shares (in shares) Number of ordinary shares repurchased Amount of decrease of par value, additional paid in capital and retained earnings of common and preferred stock retired from treasury when treasury stock is accounted for under the cost method. Treasury Stock Retired Value Cancellation of treasury shares Number of shares of common and preferred stock retired from treasury. Treasury Stock Retired Shares Cancellation of treasury shares (in shares) Treasury Stock, Retired, Cost Method, Amount Cancellation of treasury shares Treasury Stock, Shares, Retired Cancellation of treasury shares (in shares) Shares cancelled Common Stock, Dividends, Per Share, Declared Dividend approved (in currency per share) CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile income from continuing operations to net cash provided by operating activities: Depreciation, Depletion and Amortization Depreciation and amortization Deferred Income Tax Expense (Benefit) Deferred income taxes Operating Lease, Right-of-Use Asset, Periodic Reduction Non-cash lease cost Amount of expense (reversal of expense) for expected credit loss on accounts receivable. Also includes amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. Provisions for Loss on Accounts Receivable and Inventory Write Down Provision for losses on accounts receivable and inventories Share-Based Payment Arrangement, Noncash Expense Share-based compensation expense Other Noncash Income (Expense) Other Increase (Decrease) in Operating Capital [Abstract] Changes in assets and liabilities, net of the effects of acquisitions and divestitures: Increase (Decrease) in Accounts Receivable Accounts receivable, net Increase (Decrease) in Inventories Inventories Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other current assets Increase (Decrease) in Accounts Payable, Trade Accounts payable Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued and other current liabilities Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Income taxes Increase (Decrease) in Other Operating Assets and Liabilities, Net Other Net Cash Provided by (Used in) Operating Activities Net cash provided by operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Cash flows from investing activities: Payments to Acquire Property, Plant, and Equipment Capital expenditures Proceeds from Sale of Property, Plant, and Equipment Proceeds from sale of property, plant, and equipment Payments to Acquire Businesses, Net of Cash Acquired Acquisition of businesses, net of cash acquired Net cash paid Payments for (Proceeds from) Other Investing Activities Other Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Proceeds from (Repayments of) Commercial Paper Net increase (decrease) in commercial paper Proceeds from Issuance of Debt Proceeds from issuance of debt Repayments of Debt Repayment of debt Repayment of debt Proceeds from Stock Options Exercised Proceeds from exercise of share options Payments for Repurchase of Common Stock Repurchase of ordinary shares Payments of Ordinary Dividends, Common Stock Payment of ordinary share dividends to shareholders Proceeds from (Payments for) Other Financing Activities Other Net Cash Provided by (Used in) Financing Activities Net cash used in financing activities Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations Effect of currency translation on cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Net decrease in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents Cash, cash equivalents, and restricted cash at end of fiscal period Cash, cash equivalents, and restricted cash at beginning of fiscal period Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Basis of Presentation Restructuring and Other Charges, Net The entire disclosure of costs incurred for restructuring including, but not limited to, exit and disposal activities, remediation, implementation, integration, asset impairment, and charges against earnings from the write-down of assets. Also, includes disclosure related to a disposal group (except those classified as discontinued operations) and other charges (credits). Restructuring and Other Charges Disclosure [Text Block] Restructuring and Other Charges, Net Acquisitions Business Combination Disclosure [Text Block] Acquisitions Inventories Inventory Disclosure [Text Block] Inventories Goodwill. Goodwill Disclosure [Text Block] Goodwill Intangible Assets, Net Intangible Assets Disclosure [Text Block] Intangible Assets, Net Debt Debt Disclosure [Text Block] Debt