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INVESTMENTS IN UNCONSOLIDATED SUBSIDIARIES AND AFFILIATES (Tables)
 9 Months Ended
Sep. 30, 2023
Equity Method Investments and Joint Ventures [Abstract]  
Summary of Investments in Unconsolidated Subsidiaries and Affiliates
A summary of investments in unconsolidated subsidiaries and affiliates as of September 30, 2023 and December 31, 2022 is as follows (in millions of dollars):
September 30, 2023December 31, 2022
Equity method$423 $331 
Cost method54 54 
Total$477 $385