LEASES 2 (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease cost	$ 228	$ 214
Variable lease cost	14	18
Short-term lease cost	15	17
Amortization of right-of-use assets	65	69
Interest on lease liability	24	27
Total finance lease cost	89	96
Total lease cost	$ 346	$ 345