Accelerated Share Repurchase

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- Definition

Accelerated Share Repurchase Initial Receipt Monetary

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- Definition

Accelerated share repurchase initial receipt shares

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- Definition

Accelerated Share Repurchase, Payment

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- Definition

Accelerated Share Repurchase Remaining Amount

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- Definition

Share Repuchase Table Footnotes, detail tags

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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount of stock repurchase plan authorized.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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No definition available.

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- Definition

Number of shares that have been repurchased and retired during the period.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

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- Definition

Number of shares of common and preferred stock retired from treasury during the period.

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- Definition

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

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Earnings Per Share, Share Repurchases and Dividends on Common Stock (Unaudited) Share Repurchases (Details 2) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended		47 Months Ended
	Feb. 01, 2021	Mar. 31, 2021	Mar. 31, 2020	Feb. 29, 2020	Jan. 25, 2021	Dec. 04, 2018	Sep. 16, 2015
Share Repurchases - Notes to Table
Accelerated Share Repurchase	$ 2,000
Accelerated Share Repurchase, Payment	$ 2,000
Accelerated share repurchase initial receipt shares	5.9
Accelerated Share Repurchase Initial Receipt Monetary	$ 1,700
Accelerated Share Repurchase Remaining Amount	$ 300
September 2015 Share Repurchase Program Original Authorization
Share Repurchase [Line Items]
Amount Authorized							$ 4,000
Shares Retired				15.4
Average Cost Per Share				$ 260.33
Shares Repurchased		0.0	0.9
December 2018 Share Repurchase Original Authorization [Member]
Share Repurchase [Line Items]
Amount Authorized						$ 3,000
Shares Retired		6.4
Average Cost Per Share		$ 289.47
Shares Repurchased		5.9	0.1
Share Repurchases - Notes to Table
Shares repurchased amount		$ 1,900
Amount remaining under authorization for share repurchases		$ 1,100
January 2021 Share Repurchase Original Authorization [Member]
Share Repurchase [Line Items]
Amount Authorized					$ 3,000
Shares Retired		0.0
Average Cost Per Share		$ 0
Shares Repurchased		0.0	0.0