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Investments, Loans and Long-Term Receivables (Tables)	12 Months Ended
Investments, Loans and Long-Term Receivables (Tables)	Dec. 31, 2021
Investments, Loans and Long-Term Receivables [Abstract]
Components of Investments, Loans and Long-Term Receivables	Components of investments, loans and long-term receivables at December 31 were: Millions of Dollars 2021 2020 Equity investments $ 6,701 7,596 Loans and advances—related parties - 114 Long-term receivables 98 137 Long-term investments in debt securities 248 217 Other investments 66 67 $ 7,113 8,131
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 2021 2020 2019 Revenues $ 11,824 7,931 11,310 Income before income taxes 3,946 1,843 3,726 Net income 2,557 1,426 3,085 Summarized 100 percent balance sheet information for equity method investments in affiliated companies, combined, was as follows: Millions of Dollars 2021 2020 Current assets $ 4,493 2,579 Noncurrent assets 36,602 35,257 Current liabilities 3,498 2,110 Noncurrent liabilities 17,465 18,099