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Repurchase of Common Stock (Narrative) (Details) - USD ($) shares in Millions, $ in Millions		1 Months Ended	3 Months Ended	6 Months Ended
	Aug. 24, 2021	Aug. 27, 2021	Jul. 31, 2021	Jul. 31, 2021	Aug. 01, 2020
Stock Repurchases [Line Items]
Repurchase of common stock			$ 416	$ 1,331	$ 56
February 2021 Share Repurchase Program [Member]
Stock Repurchases [Line Items]
Stock Repurchase Program, Authorized Amount			5,000	5,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount			$ 3,800	$ 3,800
Scenario, Plan [Member] | February 2021 Share Repurchase Program [Member]
Stock Repurchases [Line Items]
Repurchase of common stock	$ 2,500
Subsequent Event [Member]
Stock Repurchases [Line Items]
Repurchase of common stock		$ 160
Repurchase of common stock (in shares)		1.4

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- Definition

[Line Items] for Stock Repurchases [Table] details the shares (value and share count) and average price of stock purchased during the presented periods.

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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