LEASES - Narrative (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Lessee, Lease, Description [Line Items]
Weighted average lease term	7 years	8 years
Weighted average discount rate	2.34%	2.48%
Operating lease right-of-use assets	$ 766	$ 800
Lessor operating lease assets	$ 244	$ 153
Minimum
Lessee, Lease, Description [Line Items]
Lease term	1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease term	10 years