Income Taxes - Additional Information (Detail) (USD $)	6 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Dec. 31, 2012
Income Taxes [Line Items]
Income tax rate	26.20%	22.10%
Total gross liability for unrecognized tax benefits	$ 55,000,000		$ 54,500,000
Percentage of shared tax liabilities	20.00%
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%
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%
Pentair and ADT
Income Taxes [Line Items]
Shared tax liabilities	225,000,000
Tyco
Income Taxes [Line Items]
Shared tax liabilities	500,000,000
Percentage of shared tax liabilities	52.50%
Tyco | Next $225 million of Shared Tax Liabilities | 2007 Tax Sharing Agreement
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, ADT, and Tyco
Income Taxes [Line Items]
Shared tax liabilities	725,000,000
Covidien | Next $225 million of Shared Tax Liabilities | 2007 Tax Sharing Agreement
Income Taxes [Line Items]
Percentage of shared tax liabilities	42.00%
TE Connectivity | Next $225 million of Shared Tax Liabilities | 2007 Tax Sharing Agreement
Income Taxes [Line Items]
Percentage of shared tax liabilities	31.00%
Minimum | Tyco
Income Taxes [Line Items]
Shared tax liabilities	1,850,000,000
Tax Liability [Member] | Tyco
Income Taxes [Line Items]
Shared tax liabilities	883,300,000
Tax Penalties [Member] | Tyco
Income Taxes [Line Items]
Shared tax liabilities	154,000,000
1997 - 2000 Tax Years | Tyco
Income Taxes [Line Items]
Disallowed Interest And Related Tax Deductions	2,860,000,000
Tax Years Subsquent to 2000 | Tyco
Income Taxes [Line Items]
Disallowed Interest And Related Tax Deductions	$ 6,600,000,000