OTHER OPERATING EXPENSE (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Other Income and Expenses [Abstract]
Marketing	$ 31	$ 27	$ 50	$ 51
Other	62	84	134	171
Other operating expense	$ 93	$ 111	$ 184	$ 222