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Capital Stock and Earnings Per Share - Additional Information (Detail) (USD $) Share data in Millions, except Per Share data, unless otherwise specified	1 Months Ended	3 Months Ended		6 Months Ended
	Feb. 29, 2012	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Capital Unit [Line Items]
Shares repurchased and retired, shares		6.4		12.9
Shares repurchased and retired, value		$ 325,000,000		$ 625,000,000
Cash expenditures under repurchase programs				627,574,000	597,000,000
Stock repurchase program, common stock purchase value	2,000,000,000			1,500,000,000
Preferred stock, shares authorized		5		5
Preferred stock, par value		$ 1		$ 1
Antidilutive options excluded		0	0	0	0
Stock Repurchase Programs 2014
Capital Unit [Line Items]
Remaining available stock under stock repurchase plan				1,500,000,000
Stock Repurchase Programs 2012
Capital Unit [Line Items]
Remaining available stock under stock repurchase plan				$ 299,700,000