Related Party Transactions - Additional Information (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2017	Dec. 31, 2016
Related Party Transaction [Line Items]
Valuation Allowances and Reserves, Additions for Charges to Cost and Expense	$ 12,000,000	$ 12,000,000
Due from affiliates	85,000,000	64,000,000
Due to affiliates	46,000,000	112,000,000
Majority-Owned Subsidiary, Unconsolidated [Member] \| CEOC \| Lease Agreements [Member]
Related Party Transaction [Line Items]
Operating Leases, Future Minimum Payments Receivable	35,000,000
Operating Leases, Future Minimum Payments Due	$ 2,000,000
Majority-Owned Subsidiary, Unconsolidated [Member] \| CEOC \| CIE \| Cross Marketing and Trademark License Agreement [Member]
Related Party Transaction [Line Items]
Related Party Transaction, Rate	3.00%
Social and Mobile Games [Member] \| Discontinued Operations, Disposed of by Sale [Member] \| CGP
Related Party Transaction [Line Items]
Income Taxes Paid	$ 0	240,000,000
Due to Affiliate	$ 19,000,000	$ 45,000,000

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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Amount of payable due to an entity that is affiliated with the reporting entity by means of direct or indirect ownership.

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Carrying amount as of the balance sheet date of obligations due all related parties. For classified balance sheets, represents the current portion of such liabilities (due within one year or within the normal operating cycle if longer).

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The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.

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Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

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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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Identify the stated interest rate per the agreement, for example, leasing and debt arrangements between related parties.

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Amount of increase in the allowances and reserves, which consist of the valuation and qualifying accounts that are either netted against the cost of an asset or that reflect a liability established to represent expected future costs, from charges to costs and expenses.

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