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Supplemental Cash Flow Information
3 Months Ended
Mar. 31, 2025
Supplemental Cash Flow Elements [Abstract]  
Supplemental Cash Flow Information
(14) Supplemental Cash Flow Information

Cash flows related to income taxes, interest, leases, and capital and turnaround expenditures included in accounts payable were as follows:
Three Months Ended
March 31,
(in millions)20252024
Supplemental disclosures:
Cash paid for income taxes, net of refunds$ $26 
Cash paid for interest47 36 
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases5 
Operating cash flows from finance leases1 
Financing cash flows from finance leases2 
Noncash investing and financing activities:
Change in capital expenditures included in accounts payable (1)
4 
Change in turnaround expenditures included in accounts payable123 27 
ROU assets obtained in exchange for new or modified operating lease liabilities1 
(1)Capital expenditures are shown exclusive of capitalized turnaround expenditures.