Productivity Plan Activity (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 16, 2012	Jun. 16, 2012
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges		$ (7)
Productivity Plan
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2011		276
Restructuring and impairment charges	77	110
Cash payments		(140)
Non-cash charges		(35)
Liability as of June 16, 2012	211	211
Productivity Plan \| Severance And Other Employee Costs
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2011		249
Restructuring and impairment charges		40
Cash payments		(102)
Non-cash charges		(6)
Liability as of June 16, 2012	181	181
Productivity Plan \| Asset Impairment
Restructuring Cost and Reserve [Line Items]
Restructuring and impairment charges		26
Non-cash charges		(26)
Productivity Plan \| Other Costs
Restructuring Cost and Reserve [Line Items]
Liability as of December 31, 2011		27
Restructuring and impairment charges		44
Cash payments		(38)
Non-cash charges		(3)
Liability as of June 16, 2012	$ 30	$ 30

Amount of cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.

Amount of consideration other than cash paid in the period to fully or partially settle a specified, previously accrued type of restructuring cost.