v3.25.4

Additional financial information - Other Noncurrent Liabilities (Details) - USD ($) $ in Millions | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | --- | ---
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Liabilities for unrecognized tax benefits | $ 140 | $ 167 | $ 161 | $ 128
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] | Total Other noncurrent liabilities | Total Other noncurrent liabilities |  |
Finance lease liabilities | $ 327 | $ 312 |  |
Asset retirement obligations | 255 | 242 |  |
Pension liabilities | 229 | 235 |  |
Contract liabilities | 401 | 341 |  |
Environmental remediation liabilities | 60 | 54 |  |
Self-insurance reserves | 102 | 62 |  |
Other | 140 | 108 |  |
Total Other noncurrent liabilities | $ 1,654 | $ 1,521 |  |

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