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Summarized Financial Data - Tengizchevroil LLP (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Affiliate Statements Captions [Line Items]        
Sales and other operating revenues $ 63,508 $ 42,552 $ 181,194 $ 109,745
Net Income (Loss) $ 11,238 $ 6,115 $ 29,230 10,607
Tengizchevroil LLP        
Affiliate Statements Captions [Line Items]        
Percentage of affiliate by summarized financial information 100.00%   100.00%  
Sales and other operating revenues     $ 18,682 10,845
Costs and other deductions     9,003 5,568
Net Income (Loss)     $ 6,779 $ 3,692
Tengizchevroil LLP        
Affiliate Statements Captions [Line Items]        
Equity ownership, percentage 50.00%   50.00%