Equity and Comprehensive Income (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended				6 Months Ended
	Mar. 28, 2014		Mar. 29, 2013		Mar. 28, 2014		Mar. 29, 2013
Accumulated Other Comprehensive Income (Loss) [Line Items]
Foreign currency translation	$ (15)		$ (102)		$ (52)		$ (74)
Liquidation of foreign entities (1)	0		0		0		(10)	[1]
Income tax expense (2)	0		0		0		(7)	[2]
Foreign currency translation, net of tax	(15)		(102)		(52)		(91)
Amortization of net actuarial losses (3)	5	[3]	7	[3]	10	[3]	13	[3]
Income tax expense	(1)		(2)		(3)		(4)
Defined benefit and post retirement plans, net of tax	4		5		7		9
Unrealized loss on marketable securities and derivative instruments (4)	0	[4]	0	[4]	0	[4]	(1)	[4]
Income tax benefit	0		0		0		2
Unrealized gain on marketable securities and derivative instruments, net of tax	0		0		0		1
Other comprehensive loss, net of tax	(11)		(97)		(45)		(81)
Less: Other comprehensive (loss) income attributable to noncontrolling interests	0		(2)		2		0
Other comprehensive loss attributable to Tyco common shareholders	(11)		(95)		(47)		(81)
Currency Translation Adjustments
Accumulated Other Comprehensive Income (Loss) [Line Items]
Other comprehensive loss, net of tax					(52)
Amounts transferred from accumulated other comprehensive income (loss) currency translation							(10)
Income tax expense on net investment hedge			$ 7

[1] During the six months ended March 29, 2013, $10 million of cumulative translation gains were transferred from foreign currency translation and included in Income from Discontinued Operations in the Consolidated Statements of Operations as a result of the sale of foreign entities.

[2] Income tax expense on the net investment hedge was $7 million for the six months ended March 29, 2013.

[3] Reclassified to net periodic benefit cost. See Note 12 Retirement Plans for additional information.

[4] Reclassified realized gain (loss) on marketable securities and derivative instruments to Other expense, net.