Income Taxes (Details) (USD $)	3 Months Ended
	Dec. 30, 2011	Dec. 24, 2010	Sep. 30, 2011
Income Taxes
Unrecognized tax benefits that may be resolved in the next twelve months, low end of range	$ 0
Unrecognized tax benefits that may be resolved in the next twelve months, high end of range	55,000,000
Net deferred tax asset	1,400,000,000
Gross deferred tax assets	2,800,000,000
Valuation allowances	1,400,000,000
Tax Sharing Agreement
Noncurrent liabilities under Tax Sharing Agreement, fair value	388,000,000		387,000,000
Current liabilities under Tax Sharing Agreement, fair value	49,000,000		49,000,000
Income recorded in accordance with the tax sharing agreement	1,000,000	1,000,000
Total liabilities under Tax Sharing Agreement, fair value	437,000,000		436,000,000
Tyco International
Tax Sharing Agreement
Tax liability share percentage	27.00%
Covidien
Tax Sharing Agreement
Tax liability share percentage	42.00%
TE Connectivity
Tax Sharing Agreement
Tax liability share percentage	31.00%
Former Tyco subsidiaries
Tax Sharing Agreement
Receivable from tax sharing party, net	89,000,000		89,000,000
Receivable from tax sharing party, reported in other assets, noncurrent	73,000,000		73,000,000
Receivable from tax sharing party, reported in prepaid expenses and other current assets	16,000,000		16,000,000
Former Tyco subsidiaries | Minimum
Tax Sharing Agreement
IRS proposed penalties on intercompany stock transfers	30,000,000
Former Tyco subsidiaries | Maximum
Tax Sharing Agreement
IRS proposed penalties on intercompany stock transfers	$ 50,000,000