Carrying Values and Fair Values of Non-Current Financial Assets and Liabilities (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2013	Dec. 28, 2012
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior, mezzanine, and other loans	$ 152	$ 180
Other long-term liabilities	(907)	(898)
Carrying Amount
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior, mezzanine, and other loans	152	180
Marketable securities and other debt securities	101	56
Total long-term financial assets	253	236
Senior Notes	(1,835)	(1,833)
Commercial paper	(1,071)	(501)
Other long-term debt	(126)	(130)
Other long-term liabilities	(60)	(69)
Total long-term financial liabilities	(3,092)	(2,533)
Fair Value
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Senior, mezzanine, and other loans	152	172
Marketable securities and other debt securities	100	56
Total long-term financial assets	252	228
Senior Notes	(1,954)	(2,008)
Commercial paper	(1,071)	(501)
Other long-term debt	(132)	(139)
Other long-term liabilities	(60)	(69)
Total long-term financial liabilities	$ (3,217)	$ (2,717)