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Income Taxes - Additional Information (Detail) (USD $) | 12 Months Ended |  |  |
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Income Taxes [Line Items] |  |  |  |
Gross unrecognized tax benefits | $ 60,800,000 | $ 53,400,000 | $ 26,500,000 | $ 24,300,000
Amount of tax benefits that, if recognized, would impact the effective tax rate | 58,500,000 |  |  |
Payment of penalties | 900,000 | 1,300,000 |  |
Payment of interest expense | 8,900,000 | 8,200,000 |  |
Deferred taxes on undistributed earnings of certain subsidiaries | 16,200,000 |  |  |
Tax loss carryforwards | 1,258,100,000 |  |  |
Deferred tax assets, valuation allowance | 237,400,000 | 174,400,000 |  |
Non-U.S. tax losses available for carry forward | 979,300,000 |  |  |
U.S. federal loss available for carry forward | 144,900,000 |  |  |
State tax losses available for carry forward | 133,900,000 |  |  |
Shared tax liabilities description | Costs and expenses associated with the management of Shared Tax Liabilities, Distribution Taxes and BHS Tax Liabilities will generally be shared 20% by us, 27.5% by ADT and 52.5% by Tyco |  |  |
Minimum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Possible amount of decrease during the next twelve months primarily as a result of the resolution of federal, state and foreign examinations and the expiration of various statutes of limitations | 0 |  |  |
Maximum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Possible amount of decrease during the next twelve months primarily as a result of the resolution of federal, state and foreign examinations and the expiration of various statutes of limitations | 32,600,000 |  |  |
Operating loss carryforwards expiration year | 2033 |  |  |
2012 Tax Sharing Agreement |  |  |  |
Income Taxes [Line Items] |  |  |  |
Shared tax liabilities description | Tyco is responsible for the first $500 million of Shared Tax Liabilities. We and ADT will share 42% and 58%, respectively, of the next $225 million of Shared Tax Liabilities. We, ADT and Tyco will share 20%, 27.5% and 52.5%, respectively, of Shared Tax Liabilities above $725 million. |  |  |
Next $225 million of Shared Tax Liabilities | 2012 Tax Sharing Agreement |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 42.00% |  |  |
Tax Liabilities above $725 million | 2012 Tax Sharing Agreement |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 20.00% |  |  |
Foreign Country |  |  |  |
Income Taxes [Line Items] |  |  |  |
Deferred tax assets, valuation allowance | 208,100,000 |  |  |
Operating losses expiration period | subject to varying expiration periods and will begin to expire in 201 |  |  |
ADT |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 27.50% |  |  |
ADT | Next $225 million of Shared Tax Liabilities | 2012 Tax Sharing Agreement |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 58.00% |  |  |
ADT | Tax Liabilities above $725 million | 2012 Tax Sharing Agreement |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 27.50% |  |  |
Adt Corporation and Pentair |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax sharing, liability | 225,000,000 |  |  |
Tyco |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax sharing, liability | 500,000,000 |  |  |
Percentage of shared tax liabilities | 52.50% |  |  |
Tyco | Minimum |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax sharing, liability | 1,850,000,000 |  |  |
Tyco | Next $225 million of Shared Tax Liabilities | Agreement Two Member [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 27.00% |  |  |
Tyco | Tax Liabilities above $725 million | 2012 Tax Sharing Agreement |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 52.50% |  |  |
Pentair [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 20.00% |  |  |
Pentair ADT Tyco |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax sharing, liability | 725,000,000 |  |  |
Covidien | Next $225 million of Shared Tax Liabilities | Agreement Two Member [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 42.00% |  |  |
TE Connectivity | Next $225 million of Shared Tax Liabilities | Agreement Two Member [Member] |  |  |  |
Income Taxes [Line Items] |  |  |  |
Percentage of shared tax liabilities | 31.00% |  |  |
Tax Liability | Tyco |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax sharing, liability | 883,300,000 |  |  |
Tax Penalties | Tyco |  |  |  |
Income Taxes [Line Items] |  |  |  |
Tax sharing, liability | 154,000,000 |  |  |
Period One | Tyco |  |  |  |
Income Taxes [Line Items] |  |  |  |
Disallowed interest and related tax deductions | 2,900,000,000 |  |  |
Period Two | Tyco |  |  |  |
Income Taxes [Line Items] |  |  |  |
Disallowed interest and related tax deductions | $ 6,600,000,000 |  |  |

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