Significant Transactions (Universal Beijing Resort) (Details) - Universal Beijing Resort [Member] - Variable Interest Entity, Primary Beneficiary [Member] ¥ in Billions, $ in Billions	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)
Variable Interest Entity [Line Items]
Ownership percentage in variable interest entity	30.00%	30.00%
Maximum borrowing capacity of variable interest entity	$ 3.8	¥ 26.6
Consolidated variable interest entity's assets included in condensed consolidated balance sheet	3.0
Consolidated variable interest entity's liabilities included in condensed consolidated balance sheet	$ 2.1
NBCUniversal Media LLC [Member]
Variable Interest Entity [Line Items]
Ownership percentage in variable interest entity	30.00%	30.00%
Maximum borrowing capacity of variable interest entity	$ 3.8	¥ 26.6
Consolidated variable interest entity's assets included in condensed consolidated balance sheet	3.0
Consolidated variable interest entity's liabilities included in condensed consolidated balance sheet	2.1
Universal Beijing Resort Term Loans [Member]
Variable Interest Entity [Line Items]
Proceeds from borrowings	1.3
Universal Beijing Resort Term Loans [Member] \| NBCUniversal Media LLC [Member]
Variable Interest Entity [Line Items]
Proceeds from borrowings	$ 1.3

Variable interest entity, maximum borrowing capacity under financing agreements.

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- Definition

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

The carrying amount of the consolidated Variable Interest Entity's assets included in the reporting entity's statement of financial position.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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The carrying amount of the consolidated Variable Interest Entity's liabilities included in the reporting entity's statement of financial position.

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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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