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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 (¥)
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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 |

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