Equity (Stock Repurchased During Period) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Millions	3 Months Ended	8 Months Ended
May 10, 2020	May 12, 2019	May 10, 2020	May 12, 2019
Equity [Abstract]
Stock Repurchased and Retired During Period, Shares	106	192	368	903
Average price per share	$ 296.38	$ 226.57	$ 298.53	$ 215.94
Total Cost	$ (31)	$ (44)	$ (110)	$ (195)

Equity impact of the value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration