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Supplemental Cash Flow Information - Schedule of Cash Flows Related to Income Taxes, Interest, Leases, Capital Expenditures, and Deferred Financing Costs Included in Accounts Payable, and Non-Cash Dividends (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Supplemental disclosures:    
Cash paid for income taxes, net of refunds $ 0 $ 26
Cash paid for interest 47 36
Cash paid for amounts included in the measurement of lease liabilities:    
Operating cash flows from operating leases 5 4
Operating cash flows from finance leases 1 1
Financing cash flows from finance leases 2 2
Noncash investing and financing activities:    
Change in capital expenditures included in accounts payable 4 4
Change in turnaround expenditures included in accounts payable 123 27
ROU assets obtained in exchange for new or modified operating lease liabilities $ 1 $ 4