Accelerated Share Repurchases Initial Delivery Percentage of Shares

No definition available.

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- Definition

Business Acquisition, Agreement Terms, Change of Control, Put Option for Minority Interest Ownership, Effective Period

+ References

No definition available.

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- Definition

Interest in joint venture minimum percentage.

+ References

No definition available.

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- Definition

Maximum number of shares authorized for repurchase under stock repurchase plan as percentage of outstanding common stock.

+ References

No definition available.

+ Details

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- Definition

Amount of cash receipt from (payment to) bank; or stock received from (issuance to) bank in the settlement of the accelerated share repurchase agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 25
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6405686&loc=d3e22802-112653

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- Definition

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

+ References

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.

+ References

No definition available.

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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

No definition available.

+ Details

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655

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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
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-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(29))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Equity - Narrative (Details) - USD ($)							2 Months Ended	3 Months Ended		6 Months Ended
Equity - Narrative (Details) - USD ($)	Jul. 31, 2019	Feb. 11, 2019	Jan. 02, 2019	Oct. 29, 2018	Sep. 25, 2018	Mar. 06, 2018	Jan. 02, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018	Dec. 04, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased								0	0	3,400,000	5,000,000.0
Average price paid per share (USD per share)								$ 0	$ 0	$ 184.51	$ 178.11
Minimum interest in joint venture (as a percent)										20.00%
Agreement terms, change of control, put option for minority interest ownership, effective period										15 days
2013 Repurchase Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized for repurchase (shares)												50,000,000
Shares authorized for repurchase, compared to total common stock outstanding (as a percent)												18.00%
Remaining shares available under repurchase program (shares)								7,200,000		7,200,000
S&P Dow Jones LLC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Noncontrolling interest ownership by noncontrolling owners (as a percent)								27.00%		27.00%
Accelerated Share Repurchases, February 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized stock repurchase program amount		$ 500,000,000
Payments for accelerated share repurchases		$ 500,000,000
Accelerated Share Repurchases, February 2019 \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized stock repurchase program amount	$ 500,000,000
Accelerated Share Repurchases, October 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized stock repurchase program amount				$ 500,000,000
Payments for accelerated share repurchases				$ 500,000,000
Accelerated Share Repurchases, March 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized stock repurchase program amount						$ 1,000,000,000
Payments for accelerated share repurchases						$ 1,000,000,000
Initial Award \| Accelerated Share Repurchases, February 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased		2,200,000
Accelerated share repurchases initial delivery percentage (as a percent)		85.00%
Initial Award \| Accelerated Share Repurchases, October 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased				2,500,000
Accelerated share repurchases initial delivery percentage (as a percent)				85.00%
Initial Award \| Accelerated Share Repurchases, March 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased						4,500,000
Accelerated share repurchases initial delivery percentage (as a percent)						85.00%
Additional Award \| Accelerated Share Repurchases, February 2019 \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased	100,000
Additional Award \| Accelerated Share Repurchases, October 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased			400,000
Additional Award \| Accelerated Share Repurchases, March 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased					600,000
Completed Award \| Accelerated Share Repurchases, February 2019 \| Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased	2,300,000
Average price paid per share (USD per share)	$ 214.65
Completed Award \| Accelerated Share Repurchases, October 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased							2,900,000
Average price paid per share (USD per share)							$ 173.80
Completed Award \| Accelerated Share Repurchases, March 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total number of shares purchased					5,100,000
Average price paid per share (USD per share)					$ 197.49