Stock Repurchase Program - Summarize Company's Share Repurchase Activity (Detail) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended	260 Months Ended
Aug. 31, 2019	Aug. 25, 2018	Aug. 26, 2017	Aug. 31, 2019
Equity [Abstract]
Amount	$ 2,004,896	$ 1,592,013	$ 1,071,649
Shares	2,182	2,398	1,495	146,900

Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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-Subparagraph (SX 210.3-04)
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration