Aggregate dividends declared during the period for each share of common stock outstanding.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The cash outflow to reacquire common stock during the period.

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

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Earnings Per Share - Narrative (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions		3 Months Ended	6 Months Ended
	Jul. 19, 2021	Jun. 30, 2021	Jun. 30, 2021	Jun. 30, 2020	May 20, 2019
Common stock outstanding (in shares)		429	429	436
Authorized repurchase amount					$ 500
Share repurchases (in shares)		6
Treasury stock acquired, average price per share (in usd per share)		$ 34.02
Repurchase of common stock		$ 200	$ 200	$ 0
Remaining authorized repurchase amount		$ 77	$ 77
Common stock, dividends per share (in usd per share)				$ 0.02
Subsequent Event
Common stock, dividends per share (in usd per share)	$ 0.02