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Long-term Investments - Summary of long-term investments (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2022 CNY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 CNY (¥)
Long-term Investments
Investments in equity method investees	¥ 5,239,242		¥ 3,776,245
Equity investments with readily determinable fair values	2,567,268		5,886,911
Equity investments without readily determinable fair values	10,463,304		8,802,976
Investments accounted for at fair values	246,073		194,280
Debt investments	28,471		144,490
Total	¥ 18,544,358	$ 2,688,679	¥ 18,804,902

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- Definition

Amount, after allowance for credit loss, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale) and investment in debt security measured at amortized cost (held-to-maturity), classified as noncurrent.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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- Definition

Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as noncurrent.

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Amount of investment in equity security without readily determinable fair value.

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Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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