REVENUE RECOGNITION - Other Revenue (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Operating revenue	$ 50,582	$ 29,899	$ 17,095
Other
Disaggregation of Revenue [Line Items]
Operating revenue	9,314	6,348	3,604
Refinery
Disaggregation of Revenue [Line Items]
Operating revenue	4,977	3,229	1,150
Loyalty program
Disaggregation of Revenue [Line Items]
Operating revenue	2,597	1,770	1,458
Ancillary businesses
Disaggregation of Revenue [Line Items]
Operating revenue	846	793	648
Miscellaneous
Disaggregation of Revenue [Line Items]
Operating revenue	$ 894	$ 556	$ 348