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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 | 9 Months Ended
--- | ---
Sep. 30, 2025 | Sep. 30, 2024
Supplemental disclosures: |  |
Cash (received, net of payments) paid, net of refunds for income taxes | $ (3) | $ 60
Cash paid for interest | 116 | 94
Cash paid for amounts included in the measurement of lease liabilities: |  |
Operating cash flows from operating leases | 16 | 14
Operating cash flows from finance leases | 4 | 3
Financing cash flows from finance leases | 7 | 6
Noncash investing and financing activities: |  |
Change in capital expenditures included in accounts payable | 2 | 6
Change in turnaround expenditures included in accounts payable | (7) | (1)
ROU assets obtained in exchange for new or modified operating lease liabilities | 4 | 14
ROU assets obtained in exchange for new or modified finance lease liabilities | $ 14 | $ 0

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