XML 18 R29.htm IDEA: XBRL DOCUMENT v2.4.0.8
Fair Value Measurements - Additional Information (Detail) (Fixed Rate Senior Notes [Member], USD $)
In Millions, unless otherwise specified
Sep. 07, 2014
Dec. 29, 2013
Fixed Rate Senior Notes [Member]
   
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Principal amount of outstanding debt $ 1,522 $ 1,534
Fair value of debt outstanding $ 1,604 $ 1,643