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Investments, Loans and Long-Term Receivables (Tables)
 12 Months Ended
Dec. 31, 2022
Equity Method Investments and Joint Ventures [Abstract]  
Components of Investments, Loans and Long-Term Receivables
Components of investments and long-term receivables at December 31 were:
Millions of Dollars
20222021
Equity investments$7,493 6,701 
Long-term receivables142 98 
Long-term investments in debt securities522 248 
Other investments68 66 
$8,225 7,113 
Summarized Financial Information for Equity Method Investments in Affiliated Companies
Summarized 100 percent earnings information for equity method investments in affiliated companies, combined, was as follows:
Millions of Dollars
202220212020
Revenues$18,356 11,824 7,931 
Income before income taxes8,234 3,946 1,843 
Net income5,507 2,557 1,426 
Summarized 100 percent balance sheet information for equity method investments in affiliated companies, combined, was as follows:
Millions of Dollars
20222021
Current assets$5,001 4,493 
Noncurrent assets37,789 36,602 
Current liabilities4,169 3,498 
Noncurrent liabilities17,244 17,465