Stock Repurchase Program - Additional Information (Detail) - USD ($) shares in Thousands		2 Months Ended	12 Months Ended			248 Months Ended
	Sep. 26, 2018	Oct. 23, 2018	Aug. 25, 2018	Aug. 26, 2017	Aug. 27, 2016	Aug. 25, 2018	Mar. 20, 2018
Equity, Class of Treasury Stock [Line Items]
Stock repurchased cumulative, shares			2,398	1,495	1,903	144,700
Purchase of treasury stock			$ 1,592,013,000	$ 1,071,649,000	$ 1,452,462,000	$ 19,418,000,000
Stock repurchase authorized amended value				$ 18,650,000,000			$ 19,650,000,000
Share of treasury stock retired			1,512	1,804
Subsequent Events [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchased cumulative, shares		346,979
Purchase of treasury stock		$ 263,400,000
Stock repurchase authorized amended value	$ 20,900,000,000
Increase in authorization of stock repurchase, value	$ 1,250,000,000
Remaining value authorized for share repurchases		$ 1,220,000,000
Retained Deficit [Member]
Equity, Class of Treasury Stock [Line Items]
Retirement of treasury shares			$ (918,462,000)	$ (1,321,070,000)	(1,424,455,000)
Additional Paid-In Capital [Member]
Equity, Class of Treasury Stock [Line Items]
Retirement of treasury shares			$ (60,500,000)	$ (64,943,000)	$ (67,023,000)