Significant Transactions (Universal Beijing Resort) (Details) - USD ($) $ in Millions	Jun. 30, 2020	Dec. 31, 2019
Variable Interest Entity [Line Items]
Consolidated variable interest entity's assets included in condensed consolidated balance sheet	$ 265,978	$ 263,414
Universal Beijing Resort [Member] \| Variable Interest Entity, Primary Beneficiary [Member]
Variable Interest Entity [Line Items]
Ownership percentage in variable interest entity	30.00%
Consolidated variable interest entity's assets included in condensed consolidated balance sheet	$ 3,700
Consolidated variable interest entity's liabilities included in condensed consolidated balance sheet	2,600
Universal Beijing Resort [Member] \| Variable Interest Entity, Primary Beneficiary [Member] \| Universal Beijing Resort Term Loans [Member]
Variable Interest Entity [Line Items]
Principal amount of term loan outstanding	$ 1,800

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

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