Fair Value Measurements - Summary of Assets Measured at Fair Value on a Non-Recurring Basis (Detail) ¥ in Millions, $ in Millions |
3 Months Ended | 12 Months Ended | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2020
CNY (¥)
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Dec. 31, 2021
CNY (¥)
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Dec. 31, 2021
USD ($)
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Dec. 31, 2020
CNY (¥)
|
Dec. 31, 2021
USD ($)
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| Licensed Copyrights [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Mainland China film group–Licensed copyrights as of March 31, 2020 | ¥ (390) | ||||||||||
| Produced Content [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Mainland China film group – Produced contents as of March 31, 2020 | (210) | ||||||||||
| Produced contents monetized on its own | [1] | ¥ 30 | ¥ 40 | $ 5 | |||||||
| Produced contents monetized on its own | [1] | (161) | $ (25) | (205) | |||||||
| Mainland China Film Group [Member] | Licensed Copyrights [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Mainland China film group–Licensed copyrights as of March 31, 2020 | [2] | 7,186 | |||||||||
| Mainland China film group–Licensed copyrights as of March 31, 2020 | [2] | (390) | |||||||||
| Mainland China Film Group [Member] | Produced Content [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Mainland China film group – Produced contents as of March 31, 2020 | [2] | 4,124 | |||||||||
| Mainland China film group – Produced contents as of March 31, 2020 | [2] | (210) | |||||||||
| Long Term Investments | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Long-term investments | [3] | 9,653 | 14,205 | $ 1,515 | |||||||
| Long-term investments | [3] | 896 | 141 | 3,725 | |||||||
| Long-term investments | [3] | (4,316) | $ (677) | (1,862) | |||||||
| Intangible Assets | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Intangible assets | [3] | 62 | |||||||||
| Intangible assets | [3] | (350) | |||||||||
| Fair Value, Inputs, Level 1 | Produced Content [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Produced contents monetized on its own | [1] | 0 | |||||||||
| Fair Value, Inputs, Level 1 | Long Term Investments | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Long-term investments | [3] | 0 | 367 | ||||||||
| Fair Value, Inputs, Level 2 | Produced Content [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Produced contents monetized on its own | [1] | 0 | |||||||||
| Fair Value, Inputs, Level 2 | Long Term Investments | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Long-term investments | [3] | 145 | |||||||||
| Fair Value, Inputs, Level 3 | Produced Content [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Produced contents monetized on its own | [1] | 30 | 40 | ||||||||
| Fair Value, Inputs, Level 3 | Mainland China Film Group [Member] | Licensed Copyrights [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Mainland China film group–Licensed copyrights as of March 31, 2020 | [2] | 7,186 | |||||||||
| Fair Value, Inputs, Level 3 | Mainland China Film Group [Member] | Produced Content [Member] | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Mainland China film group – Produced contents as of March 31, 2020 | [2] | ¥ 4,124 | |||||||||
| Fair Value, Inputs, Level 3 | Long Term Investments | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Long-term investments | [3] | ¥ 9,508 | 13,838 | ||||||||
| Fair Value, Inputs, Level 3 | Intangible Assets | |||||||||||
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||
| Intangible assets | [3] | ¥ 62 | |||||||||
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