Business Acquisition and Equity Method Investment [Line Items]

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- Definition

Business Acquisition, Notes Payable Issuable from Exchange Offer

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- Definition

Business Acquisition, Per Share Value, Percentage

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- Definition

Business Combination Dividend Distribution

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Business Combination Dividend Distribution, Change in Amount of Dividend Distribution

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Business combination, recognized liabilities, net debt

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- Definition

Other transaction details related to an equity method investment.

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- Definition

Exchange Ratio used in calculation of Acquisition

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- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
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- Definition

Price of a single share of a number of saleable stocks paid or offered to be paid in a business combination.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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- Definition

Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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The loss recognized on termination of a contract.

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- Definition

The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Price of a single share of a number of saleable stocks of a company.

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Acquisitions - Additional Information (Details) € / shares in Units, $ / shares in Units, shares in Millions, € in Billions, $ in Billions	Oct. 05, 2018 USD ($) $ / shares shares	Oct. 03, 2018 EUR (€) € / shares	Oct. 03, 2018 USD ($)	Jun. 28, 2018 USD ($) $ / shares	Jun. 20, 2018 USD ($)	Dec. 29, 2018	Sep. 30, 2018 USD ($)
A&E
Business Acquisition And Equity Method Investments
Equity Method Investment, Ownership Percentage						50.00%
21CF \| 21CF agreement to sell Sky
Business Acquisition And Equity Method Investments
Equity Method Investment, Other Transaction Details		39.00%	39.00%
21CF \| Pending Completion of Acquisition
Business Acquisition And Equity Method Investments
Business Acquisition, Per Share Value, Percentage				50.00%
Business Combination Dividend Distribution, Change in Amount of Dividend Distribution \| $					$ 2.0
Business combination, recognized liabilities, net debt \| $							$ 19.0
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net \| $							$ 23.0
Loss on Contract Termination \| $					2.5
Gain (Loss) on Contract Termination \| $					1.5
Business Acquisition, Notes Payable Issuable from Exchange Offer \| $	$ 18.1
21CF \| Pending Completion of Acquisition \| Minimum
Business Acquisition And Equity Method Investments
Business Combination Dividend Distribution \| $					6.5
Business Acquisition, Share Price \| $ / shares				$ 38.00
21CF \| Pending Completion of Acquisition \| Maximum
Business Acquisition And Equity Method Investments
Business Combination Dividend Distribution \| $					$ 8.5
Business Acquisition, Share Price \| € / shares		€ 17.28
Proceeds from Sale of Equity Method Investments		€ 11.6	$ 15.1
Business Combination, Consideration Transferred \| $				$ 35.7
21CF \| Pending Completion of Acquisition \| Scenario, Stock Price Greater than $114.32
Business Acquisition And Equity Method Investments
Share Price \| $ / shares				$ 114.32
Exchange Ratio used in calculation of Acquisition \| $ / shares				0.3324
21CF \| Pending Completion of Acquisition \| Scenario, Stock Price Less than $93.53
Business Acquisition And Equity Method Investments
Share Price \| $ / shares				93.53
Exchange Ratio used in calculation of Acquisition \| $ / shares				0.4063
21CF \| Pending Completion of Acquisition \| Scenario, Stock Price Greater than or equal to $93.53 and Less than or equal to $114.32 \| Minimum
Business Acquisition And Equity Method Investments
Business Acquisition, Share Price \| $ / shares				38.00
Share Price \| $ / shares				93.53
21CF \| Pending Completion of Acquisition \| Scenario, Stock Price Greater than or equal to $93.53 and Less than or equal to $114.32 \| Maximum
Business Acquisition And Equity Method Investments
Share Price \| $ / shares				$ 114.32
21CF \| Pending Completion of Acquisition \| Scenario, Plan
Business Acquisition And Equity Method Investments
Business Acquisition, Share Price \| $ / shares	$ 111.6013
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares \| shares	319