Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of shares of equity interests issued or issuable to acquire entity.

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

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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Acquisitions and Divestitures - Acquisitions Narrative (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Nov. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Business Acquisition [Line Items]
Actual shares outstanding at year end (shares)		241,000,000.0	240,600,000	244,000,000.0
Cash paid for acquisitions, net of cash acquired		$ 99	$ 201	$ 91
Minimum
Business Acquisition [Line Items]
Amortization period of acquired intangible assets (in years)		3 years	3 years	3 years
Maximum
Business Acquisition [Line Items]
Amortization period of acquired intangible assets (in years)		5 years	10 years	10 years
IHS Markit Ltd
Business Acquisition [Line Items]
Actual shares outstanding at year end (shares)		399,100,000
IHS Markit Ltd
Business Acquisition [Line Items]
Shares to be received (shares)	0.2838