Income Taxes (Details 2) (USD $)	0 Months Ended	3 Months Ended
Jun. 20, 2013	Dec. 26, 2014
Tax Sharing Agreement [Line Items]
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		20,000,000
Deferred tax assets, net of valuation allowance		382,000,000us-gaap_DeferredTaxAssetsNet
Gross deferred tax assets		2,400,000,000us-gaap_DeferredTaxAssetsGross
Valuation allowances		2,000,000,000
Undistributed earnings of subsidiaries		0
Additional tax liability		0
2007 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Pre - 2012 separation related tax liabilities		175,000,000
Income tax examination, additional taxes owed	883,300,000
Income tax examination, proposed tax penalties	154,000,000
Income tax examination, amount of additional tax deficiency	30,000,000
Income tax examination, amount of disallowed interest and related deductions	2,900,000,000	2,900,000,000
Income tax examination, amount of estimated adverse impact on financial results	6,600,000,000	6,600,000,000
2012 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Total liability threshold under Tax Sharing Agreement		725,000,000
Tyco International \| 2007 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Tax liability share percentage		27.00%
Tyco International \| 2012 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Total liability threshold under Tax Sharing Agreement		500,000,000
Tax liability share percentage		52.50%
Pentair
Tax Sharing Agreement [Line Items]
Tax liability share percentage		42.00%
Pentair \| 2012 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Tax liability share percentage		20.00%
ADT
Tax Sharing Agreement [Line Items]
Tax liability share percentage		58.00%
ADT \| 2012 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Tax liability share percentage		27.50%
Pentair and ADT \| 2012 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Total liability threshold under Tax Sharing Agreement		225,000,000
Covidien \| 2007 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Tax liability share percentage		42.00%
TE Connectivity \| 2007 Tax Sharing Agreement
Tax Sharing Agreement [Line Items]
Tax liability share percentage		31.00%

Income Tax Examination, Amount of Additional Tax Deficiency

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Income Tax Examination, Amount of Disallowed Interest and Related Deductions

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Income Tax Examination, Amount of Estimated Adverse Impact on Financial Results

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Proposed tax penalties resulting from an adverse position taken by a taxing authority

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This represents the liability threshold under a tax sharing agreement.

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Represents the prior period separation related tax liability excluded from the 2012 Tax Sharing agreement.

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The percentage that will be borne by the participating entity of a tax sharing agreement and Separation and Distribution Agreement.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences from undistributed earnings of subsidiaries and other recognized entities not within the country of domicile of the entity.

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Estimated amount of loss resulting from an adverse tax position.

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Amount of (increase) decrease reasonably possible in the estimated lower bound of the unrecognized tax benefit for a tax position taken or expected to be taken.

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Amount of (increase) decrease reasonably possible in the estimated upper bound of the unrecognized tax benefit for a tax position taken or expected to be taken.

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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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