LEASES - Operating Leases Recognized in the Balance Sheet (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Leases [Abstract]
Operating lease assets	$ 496	$ 529
Lease Liabilities:
Current operating lease liabilities	143	159
Non-current operating lease liabilities	351	366
Total operating lease liabilities	$ 494	$ 525
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List]	Accrued expenses and other current liabilities	Accrued expenses and other current liabilities