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Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2022
Supplemental Cash Flow Information [Abstract]  
Schedule of Cash Flow Information
Supplemental Cash Flow Information
Millions of Dollars
202220212020
Cash Payments (Receipts)
Interest$572 549 478 
Income taxes*2,071 (1,065)103 
* 2021 reflects a net cash refund position. Cash payments for income taxes were $110 million in 2021.