Stock Repurchase Program - Additional Information (Detail) - USD ($) shares in Thousands		2 Months Ended	12 Months Ended			260 Months Ended
	Oct. 07, 2019	Oct. 22, 2019	Aug. 31, 2019	Aug. 25, 2018	Aug. 26, 2017	Aug. 31, 2019	Sep. 26, 2018
Equity, Class of Treasury Stock [Line Items]
Stock repurchased cumulative, shares			2,182	2,398	1,495	146,900
Purchase of treasury stock			$ 2,004,896,000	$ 1,592,013,000	$ 1,071,649,000	$ 21,423,000,000
Stock repurchase authorized			21,900,000,000	19,650,000,000		21,900,000,000	$ 20,900,000,000
Stock Repurchase Program 1998 [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchase authorized			23,200,000,000			$ 23,200,000,000
Retained Deficit [Member]
Equity, Class of Treasury Stock [Line Items]
Retirement of treasury shares			1,706,971,000	918,462,000	1,321,070,000
Additional Paid-In Capital [Member]
Equity, Class of Treasury Stock [Line Items]
Retirement of treasury shares			$ 125,442,000	$ 60,500,000	$ 64,943,000
Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Share of treasury stock retired			2,563	1,512	1,804
Retirement of treasury shares			$ 26,000	$ 15,000	$ 18,000
Subsequent Events [Member]
Equity, Class of Treasury Stock [Line Items]
Stock repurchased cumulative, shares		259,384
Purchase of treasury stock		$ 284,600,000
Increase in authorization of stock repurchase, value	$ 1,250,000,000
Remaining value authorized for share repurchases		$ 1,440,000,000