Total Number Of Directors Elected By Holders Of Common Stock, Voting As Single Class, Percentage

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Number Of Voting Rights To Each Preferred Shareholder

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.

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The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

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

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Stockholders' Equity - Additional Information (Details) $ / shares in Units, $ in Millions		1 Months Ended	12 Months Ended
	Feb. 13, 2020 $ / shares	Feb. 13, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) vote $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Dec. 31, 2017 USD ($) $ / shares shares	Dec. 30, 2018 shares	Dec. 31, 2015 shares	Dec. 31, 2012 shares	Dec. 31, 2010 shares	Dec. 31, 2006 shares
Class of Stock [Line Items]
Preferred stock outstanding (in shares)			0	0
Treasury stock (in shares)			126,893,000	97,159,000
Authorized share repurchase (in shares)			105,000,000			15,000,000	10,000,000
Shares authorized and remaining under the repurchase program (in shares)			26,700,000
Number of shares repurchased (in shares)			5,600,000	7,700,000	2,300,000
Cost of stock repurchases \| $			$ 683	$ 904	$ 294
Average price per share (in dollars per share) \| $ / shares			$ 122.72	$ 117.02	$ 127.04
Subsequent Event
Class of Stock [Line Items]
Number of shares repurchased (in shares)		3,400,000
Cost of stock repurchases \| $		$ 370
Average price per share (in dollars per share) \| $ / shares		$ 109.88
Dividend per share (in dollars per share) \| $ / shares	$ 0.34
Board of Directors Chairman
Class of Stock [Line Items]
Authorized share repurchase (in shares)			20,000,000					20,000,000	20,000,000	20,000,000
Class B Common Stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)			400,000,000	400,000,000
Common stock, par value (in dollars per share) \| $ / shares			$ 0.0001	$ 0.0001
Number of voting rights to each shareholder, per share \| vote			10
Treasury stock (in shares)			7,300,000
Common stock
Class of Stock [Line Items]
Treasury stock (in shares)			119,600,000
Shares, outstanding				97,200,000	89,500,000
Common stock
Class of Stock [Line Items]
Common stock, shares authorized (in shares)			1,600,000,000	1,600,000,000
Common stock, par value (in dollars per share) \| $ / shares			$ 0.0001	$ 0.0001
Number of voting rights to each shareholder, per share \| vote			1
Total number of directors elected by holders of common stock, voting as single class, percentage			25.00%