CASH AND CASH EQUIVALENTS AND RESTRICTED CASH - Cash flow (Details) ¥ in Thousands, $ in Thousands	Dec. 31, 2020 USD ($)	Dec. 31, 2020 CNY (¥)	Dec. 31, 2019 USD ($)	Dec. 31, 2019 CNY (¥)	Dec. 31, 2018 CNY (¥)	Dec. 31, 2017 CNY (¥)
CASH AND CASH EQUIVALENTS AND RESTRICTED CASH
Cash and cash equivalents	$ 1,476,039	¥ 9,631,152		¥ 7,778,853
Bank overdrafts		(899,955)
Balances per consolidated statement of cash flows	$ 1,338,118	¥ 8,731,197	$ 1,192,161	¥ 7,778,853	¥ 19,135,843	¥ 27,868,110

No definition available.

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- Definition

The amount that has been withdrawn from an account in excess of existing cash balances. This is considered a short-term extension of credit by the bank. [Refer: Cash and cash equivalents]

+ References

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- Definition

The amount of cash on hand and demand deposits, along with short-term, highly liquid investments that are readily convertible to known amounts of cash and that are subject to an insignificant risk of changes in value. [Refer: Cash; Cash equivalents]

+ References

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- Definition

The amount of cash and cash equivalents in the statement of cash flows when different from the amount of cash and cash equivalents in the statement of financial position. [Refer: Cash and cash equivalents]

+ References

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