v2.4.0.8
Redomestication (Summary of Components of Authorized Shares) (Parenthetical) (Detail)
12 Months Ended
Dec. 28, 2013
USD ($)
Dec. 28, 2013
CHF
Dec. 29, 2012
USD ($)
Dec. 29, 2012
CHF
Dec. 31, 2011
USD ($)
Dec. 31, 2011
CHF
Dec. 28, 2013
Formation Shares
Dec. 29, 2012
Formation Shares
Dec. 31, 2011
Formation Shares
Dec. 28, 2013
Conditional Shares
Class of Stock [Line Items]                    
Shares, par value $ 10 10 $ 10 10 $ 9.0744 10        
Treasury shares, shares 12,927,316 [1] 12,927,316 [1] 12,485,564 [1] 12,485,564 [1] 13,414,801 [1] 13,414,801 [1] 10,000,000 10,000,000 10,000,000  
Share repurchase program, shares repurchased and retired                   104,038,709
[1] Includes 10,000,000 formation shares at USD 0 historical cost