Exit Costs and Other Charges - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 29, 2012	Dec. 31, 2011
Restructuring and Related Cost [Abstract]
Exit related charges	$ 39
Settled with cash	63
Accrued balance	88	107
Closing Stores And Distribution Centers
Restructuring and Related Cost [Abstract]
Exit related charges	39
Store And Warehouse Operating And Selling Expenses
Restructuring and Related Cost [Abstract]
Exit related charges	16
General and Administrative Expenses
Restructuring and Related Cost [Abstract]
Exit related charges	23
Additional Closure Costs And Accretion
Restructuring and Related Cost [Abstract]
Exit related charges	4
Settled with cash	6
Accrued balance	$ 10	$ 12