INDUSTRY SEGMENTS AND GEOGRAPHIC AREAS - CORPORATE AND GEOGRAPHIC AREAS (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Segment Information
Property, plant and equipment, net	$ 80,469	$ 31,437	$ 31,174
United States
Segment Information
Property, plant and equipment, net	72,808	23,594	22,863
Total Foreign
Segment Information
Property, plant and equipment, net	7,661	7,843	8,311
United Arab Emirates
Segment Information
Property, plant and equipment, net	3,887	4,051	4,241
Oman
Segment Information
Property, plant and equipment, net	2,115	2,048	1,962
Colombia
Segment Information
Property, plant and equipment, net	1,010	927	807
Qatar
Segment Information
Property, plant and equipment, net	562	741	1,236
Other International
Segment Information
Property, plant and equipment, net	$ 87	$ 76	$ 65