VARIABLE INTEREST ENTITIES Narrative (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2021	Dec. 31, 2020
Variable Interest Entity [Line Items]
Assets, Current	$ 12,226	$ 11,236
Other Liabilities, Current	1,117	$ 1,068
2015 Financing Entities
Variable Interest Entity [Line Items]
Notes receivable, fair value disclosure	4,900
Long-term debt, fair value	4,200
Assets, Current	4,800
Other Liabilities, Current	4,200
equity in variable interest entities attributable to parent	600
Expected cash tax payment	75
2007 Financing Entities
Variable Interest Entity [Line Items]
Notes receivable, fair value disclosure	2,300
Long-term debt, fair value	2,200
Assets, Current	2,300
Other Liabilities, Current	$ 2,100