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OTHER ASSETS (Tables) | 6 Months Ended
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Jun. 30, 2026
Other Assets [Abstract] |
Schedule of Other Assets | Included in other assets were the following:
| June 30, 2026 |  | December 31, 2025 |  | June 30, 2025
Other Assets | ($ in millions)
Supply contracts | $ | 957.2 |  |  | $ | 996.0 |  |  | $ | 1,006.4 |
Pension assets | 124.1 |  |  | 106.8 |  |  | 60.3 |
Investments in non-consolidated affiliates | 20.5 |  |  | 21.3 |  |  | 22.4 |
Other | 68.0 |  |  | 85.9 |  |  | 70.6 |
Other assets | $ | 1,169.8 |  |  | $ | 1,210.0 |  |  | $ | 1,159.7 |
Investments in and Advances to Affiliates | The following table summarizes our investments in non-consolidated affiliates included in other assets:
| Six Months Ended June 30, |  |
| 2026 |  | 2025 |  |
Investments in Non-consolidated Affiliates | ($ in millions)
Balance at beginning of year | $ | 21.3 |  |  | $ | 23.0 |  |  |
Capital contributions | 1.9 |  |  | 0.8 |  |  |
Losses of non-consolidated affiliates(1) | (2.7) |  |  | (1.4) |  |  |
Balance at end of period | $ | 20.5 |  |  | $ | 22.4 |  |  |
(1)Excludes the impact of $0.3 million pretax income for the six months ended June 30, 2026 for Olin’s portion of the $22.0 million investment tax credit, which is the basis difference between our equity ownership of Hidrogenii and Olin’s investment, and will be recognized over the useful life of the underlying operational assets.

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- Definition Tabular disclosure of investments in and advances to affiliates. Does not include the tabular disclosure of the disaggregation of investments in and advances to affiliates across legal entities. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 946 -SubTopic 320 -Name Accounting Standards Codification -Section S99 -Paragraph 6 -Subparagraph (SX 210.12-14) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477271/946-320-S99-6 + Details
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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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