Commitments and Contingencies (Details) (USD $)	9 Months Ended				3 Months Ended
	Jun. 28, 2013	Jun. 20, 2013	Sep. 28, 2012	Jun. 28, 2013 Environmental Matters	Jun. 28, 2013 Tax Sharing Agreement	Jun. 28, 2013 Com-Net
Loss Contingencies
Liabilities sharing percent, entity					31.00%
Liabilities sharing percent, Tyco International					27.00%
Liabilities sharing percent, Covidien					42.00%
Income tax benefit associated with completion of fieldwork and settlement of certain U.S. tax matters	$ 331,000,000
Other nonoperating expense, settlement of certain U.S. tax matters	231,000,000
Disallowance related to interest deductions on Tyco International's U.S. income tax returns for intercompany loans originating during the period 1997 through 2000		2,700,000,000
Additional disallowance related to interest deductions on Tyco International's U.S. income tax returns for intercompany loans subsequent to fiscal 2000		6,600,000,000
Increase in taxable income in connection with the audit of Tyco International's fiscal years 1997 through 2000 relating to the disallowed interest deduction on certain intercompany loans		2,900,000,000
Additional tax in connection with the audit of Tyco International's fiscal years 1997 through 2000 relating to the disallowed interest deduction on certain intercompany loans		778,000,000
Additional penalties in connection with the audit of Tyco International's fiscal years 1997 through 2000 relating to the disallowed interest deduction on certain intercompany loans		154,000,000
Additional withholding taxes in connection with the audit of Tyco International's fiscal years 1997 through 2000 relating to the disallowed interest deduction on certain intercompany loans		105,000,000
Additional tax deficiency relating to the Final Partnership Administrative Adjustments	30,000,000
Payments for tax deficiencies related to undisputed tax adjustments for years 1997 through 2000	67,000,000
Amount reimbursed pursuant to indemnifications for pre-separation tax matters	39,000,000
Net cash payments expected to be made in the next 12 months as a result of the settlement of certain tax matters	187,000,000
Liabilities related to the audits of Tyco International and our income tax returns	12,000,000		71,000,000
Loss contingency, range of possible loss, minimum				12,000,000
Loss contingency, range of possible loss, maximum				24,000,000		80,000,000
Loss contingency, estimate of probable loss				13,000,000
Loss contingency, accrual carrying value, current				3,000,000
Loss contingency, accrual carrying value, noncurrent				10,000,000
Payment to IRS until the matter is fully and finally resolved	$ 0