OTHER LIABILITIES (Details) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Other Liabilities Disclosure [Abstract]
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List]	us-gaap:OtherLiabilitiesNoncurrent
Other Liabilities, Noncurrent [Abstract]
Income Taxes	$ 2,009	$ 2,115
Pension and other employee related	1,923	1,873
Deferred income	1,356	1,310
Operating lease liabilities	641	534
Environmental	435	487
Insurance	280	247
Product warranties and performance guarantees	60	56
Asset retirement obligations	31	61
Other	240	83
Total other liabilities	$ 6,975	$ 6,766