Stock Repurchase Program - Additional Information (Detail) - USD ($)		8 Months Ended			244 Months Ended
	Mar. 20, 2018	May 06, 2018	May 05, 2018	May 06, 2017	May 05, 2018
Stock Repurchase Program [Line Items]
Stock repurchased cumulative, shares			1,424,160		143,700,000
Purchase of treasury stock			$ 927,155,000	$ 844,183,000	$ 18,753,000,000
Repurchased shares of common stock at an aggregate cost			927,200,000
Increase in authorization of stock repurchase, value	$ 1,000,000,000
Stock repurchase authorized amended value	$ 19,650,000,000
Remaining value authorized for share repurchases			$ 896,500,000		$ 896,500,000
Share of treasury stock retired			1,500,000	1,800,000
Subsequent Events [Member]
Stock Repurchase Program [Line Items]
Stock repurchased cumulative, shares		258,761
Repurchased shares of common stock at an aggregate cost		$ 167,500,000
Retained Deficit [Member]
Stock Repurchase Program [Line Items]
Retirement of treasury shares			$ 918,500,000	$ 1,321,000,000
Additional Paid-In Capital [Member]
Stock Repurchase Program [Line Items]
Retirement of treasury shares			$ 60,500,000	$ 64,900,000