Stock-Based Compensation - CIE Stock Option Activity (Details) - Caesars Interactive Entertainment [Member] - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CIE Stock Option Activity, Shares
Outstanding as of December 31, 2015	21,057
Granted	377	10,350	1,135
Exercised	(909)	(1,984)	(3,822)
Forfeited	(248)
Outstanding as of December 31, 2016	0	21,057
Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price Outstanding, Beginning of Period	$ 9,584.64
Weighted Average Exercise Price per Share (1)	19,166.18	$ 15,352.49	$ 9,976.43
Weighted Average Exercise Price Exercised	2,456.64
Weighted Average Exercise Price Forfeited	11,723.63
Weighted Average Exercise Price Outstanding, End of Period	$ 0.00	$ 9,584.64
Weighted Average Remaining Contractual Term [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term	0 years	7 years 10 months
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value [Abstract]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value	$ 0
Discontinued Operations, Disposed of by Sale [Member] \| Social and Mobile Games [Member]
CIE Stock Option Activity, Shares
Forfeited	(20,277)
Weighted Average Exercise Price [Abstract]
Weighted Average Exercise Price Forfeited	$ 10,056.24

Weighted Average Remaining Contractual Term [Abstract]

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 10
-Section 50
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-Subparagraph (c)(1)(iv)(3)
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Gross number of share options (or share units) granted during the period.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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