Equity - Capped Calls (Details) - USD ($) shares in Millions, $ in Millions	12 Months Ended
Sep. 03, 2020	Aug. 30, 2018
Option Indexed to Issuer's Equity [Line Items]
Value of shares received upon settlement of capped calls	$ 0	$ 0
Treasury Stock
Option Indexed to Issuer's Equity [Line Items]
Value of shares received upon settlement of capped calls	$ 98	$ 429
Call Option \| Purchased options
Option Indexed to Issuer's Equity [Line Items]
Treasury shares received from capped call settlement	1.7	9.2
Call Option \| Purchased options \| Treasury Stock
Option Indexed to Issuer's Equity [Line Items]
Value of shares received upon settlement of capped calls	$ 98	$ 429

Number of shares that have been repurchased during the period and are being held in treasury.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

Name:	us-gaap_TreasuryStockSharesAcquired
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration