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Fair Value Disclosures (Tables)
 6 Months Ended
Jun. 30, 2023
Fair Value Disclosures [Abstract]  
Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis The following table summarizes assets and liabilities measured at fair value on a recurring basis:
 Fair Value Measurements Using
 Level 1Level 2Level 3
(Millions of dollars)June 30,
2023		December 31,
2022		June 30,
2023		December 31,
2022		June 30,
2023		December 31,
2022
Assets
Derivative assets$— $— $55 $28 $— $— 
Investments and securities*21 20 — — 13 13 
                 Total
$21 $20 $55 $28 13 $13 
Liabilities
Derivative liabilities$— $— $94 $96 $— $— 
* Investments and securities are recorded in prepaid and other current assets and other long-term assets in the company's condensed consolidated balance sheets.