Stock Repurchase Program - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended	203 Months Ended
	Jun. 17, 2014	Nov. 22, 2014	Nov. 22, 2014
Stock Repurchase Program [Line Items]
Stock repurchased cumulative, shares		571,106
Purchase of treasury stock		$ 299,600,000
Increase in authorization of stock repurchase, value	750,000,000
Remaining value authorized for share repurchases		569,600,000	569,600,000
Treasury stock acquired repurchase authorization		From January 1, 1998 to November 22, 2014, the Company has repurchased a total of 137.5 million shares at an aggregate cost of $14.330 billion, including 571,106 shares of its common stock at an aggregate cost of $299.6 million during the twelve week period ended November 22, 2014. On June 17, 2014, the Board voted to increase the authorization by $750 million to raise the cumulative share repurchase authorization from $14.15 billion to $14.9 billion. Considering the cumulative repurchases as of November 22, 2014, the Company had $569.6 million remaining under the Board's authorization to repurchase its common stock.
Minimum [Member]
Stock Repurchase Program [Line Items]
Stock repurchase authorized amended value	14,150,000,000
Maximum [Member]
Stock Repurchase Program [Line Items]
Stock repurchase authorized amended value	14,900,000,000
January 1,1998 to November 22,2014 [Member]
Stock Repurchase Program [Line Items]
Stock repurchased cumulative, shares			137,500,000
Purchase of treasury stock			$ 14,330,000,000