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Summarized Financial Data - Tengizchevroil LLP (Tables)
 3 Months Ended
Mar. 31, 2024
Summarized Financial Data of Affiliate [Abstract]  
Summarized Financial Data - Tengizchevroil LLP Summarized financial information for 100 percent of TCO is presented in the following table:
Three Months Ended
March 31
 20242023
 (Millions of dollars)
Sales and other operating revenues$5,056 $4,999 
Costs and other deductions2,645 2,665 
Net income attributable to TCO$1,706 $1,658