RIGHT-OF-USE ASSETS AND OPERATING LEASE LIABILITIES (Details) $ in Millions	6 Months Ended
	Jun. 30, 2020 USD ($) item contract
RIGHT-OF-USE ASSETS AND OPERATING LEASE LIABILITIES
Number of separate and distinct operating lease contracts to lease the land and/or buildings | contract	49
Number of offices where separate and distinct operating lease contracts to lease the land and/or buildings is held | item	38
Number of operating leases contracted with a related party of the Company | contract	15
Number of operating leases considered variable | item	26
Estimated operating lease liabilities for leases not yet commenced | $	$ 19
Estimated right-of-use assets for leases not yet commenced | $	$ 19