Summarized Financial Data - Tengizchevroil LLP - Summary of Balance Sheet Information (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Affiliate Statements Captions [Line Items]
Current assets	$ 50,343	$ 33,738
Current liabilities	34,208	26,791
Total affiliates’ net equity	160,242	139,940	$ 132,726	$ 145,208
Tengizchevroil LLP
Affiliate Statements Captions [Line Items]
Current assets	6,522	3,307
Other assets	54,506	51,473
Current liabilities	3,567	3,436
Other liabilities	12,312	12,060
Total affiliates’ net equity	$ 45,149	$ 39,284