| PRODUCT WARRANTIES Warranties are offered on the sale of most of our products, and an accrual is recorded for estimated future claims. These accruals are based upon historical experience and management’s estimate of future claim levels. The activity in the warranty reserves for the three and six months ended June 30, 2025, and 2024, is summarized in the following table (dollar amounts in millions): | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Six Months Ended June 30, | | 2025 | | 2024 | | 2025 | | 2024 | | Beginning balance | $ | 6 | | | $ | 8 | | | $ | 6 | | | $ | 8 | | | Change in warranty provision | — | | | 1 | | | — | | | 1 | | | | | | | | | | | Payments made | — | | | — | | | (1) | | | (1) | | | Total warranty reserves | 6 | | | 8 | | | 6 | | | 8 | | | Current portion of warranty reserves (included in accounts payable and accrued liabilities) | (2) | | | (2) | | | (2) | | | (2) | | | Long-term portion of warranty reserves (included in other long-term liabilities) | $ | 4 | | | $ | 6 | | | $ | 4 | | | $ | 6 | |
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