Stock-Based Compensation Plans - Summary of Stock-Based Compensation Expense (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Feb. 14, 2021	Feb. 16, 2020	Feb. 14, 2021	Feb. 16, 2020
Stock-based compensation expense before income taxes	$ 122	$ 118	$ 463	$ 419
Less recognized income tax benefit	(22)	(21)	(97)	(87)
Stock-based compensation expense, net of income taxes	$ 100	$ 97	$ 366	$ 332

Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Name:	us-gaap_EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration