EMPLOYEE BENEFITS (Details) - CNY (¥) ¥ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
EMPLOYEE BENEFITS [abstract]
Wages and salaries	¥ 5,949,037	¥ 5,726,123	¥ 5,320,484
Provision for medical, housing scheme and other employee benefits (a)	1,326,476	1,353,800	1,296,392
Contributions to the defined contribution scheme (b)	408,922	999,020	829,539
Total employee benefits	¥ 7,684,435	¥ 8,078,943	¥ 7,446,415

No definition available.

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- Definition

The expense of all forms of consideration given by an entity in exchange for a service rendered by employees or for the termination of employment.

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- Definition

The amount of long-term employee benefits other than post-employment benefits and termination benefits. Such benefits may include long-term paid absences, jubilee or other long-service benefits, long-term disability benefits, long-term profit-sharing and bonuses and long-term deferred remuneration. [Refer: Employee benefits expense]

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- Definition

The amount of post-employment benefit expense relating to defined contribution plans. Defined contribution plans are post-employment benefit plans under which an entity pays fixed contributions into a separate entity (a fund) and will have no legal or constructive obligation to pay further contributions if the fund does not hold sufficient assets to pay all employee benefits relating to employee service in the current and prior periods.

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- Definition

A class of employee benefits expense that represents wages and salaries. [Refer: Employee benefits expense]

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