LEASES - Supplemental Lease Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cash paid for amounts included in measurement of liabilities:
Operating cash flows from operating leases	$ 163	$ 167	$ 164
Right-of-use assets in exchange for new operating lease liabilities	$ 79	$ 268	$ 117