Property, Plant and Equipment - Components of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total — at cost	$ 36,771	$ 32,592
Less: Reserves for depreciation, depletion, amortization and lease impairment	19,339	17,494
Property, Plant and Equipment— Net	17,432	15,098
Exploration and Production
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment— Net	7,325	6,764
Operating Segments | Exploration and Production
Property, Plant and Equipment [Line Items]
Unproved properties	103	149
Proved properties	2,660	2,660
Wells, equipment and related facilities	29,159	25,182
Total — at cost	31,922	27,991
Operating Segments | Midstream
Property, Plant and Equipment [Line Items]
Total — at cost	4,819	4,571
Corporate, Interest and Other
Property, Plant and Equipment [Line Items]
Total — at cost	30	30
Property, Plant and Equipment— Net	$ 7	$ 8