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OTHER GAINS AND LOSSES - NET
 6 Months Ended
Jun. 30, 2025
Other Income and Expenses [Abstract]  
OTHER GAINS AND LOSSES - NET
NOTE 4 - OTHER GAINS AND LOSSES - NET
Three months ended June 30,Six months ended June 30,
(in millions of U.S. dollar)Notes2025202420252024
Operating income and expenses
Realized (losses) / gains on derivatives (A)(25)24(19)13
Unrealized gains on derivatives at fair value through profit and loss - net (A)1233421—
Unrealized exchange gains from the remeasurement of monetary assets and liabilities – net 1——2
Impairment of assets (B)—(5)—(8)
Restructuring costs (1)(3)(2)(3)
Losses on disposal (1)—(1)(1)
Result from the flood in Valais 3(2)(6)2(6)
Non-operating income and expenses
Expenses on factoring arrangements 8(6)(5)(11)(10)
Pension and other post-employment benefits 134477
Other1—21
Total other gains and losses - net 413(1)(5)
(A)Realized and unrealized gains and losses are related to derivatives entered into with the purpose of mitigating exposure to volatility in foreign currencies and commodity prices and that do not qualify for hedge accounting.
(B)For the three and six months ended June 30, 2024, impairment related to property, plant and equipment in our Valais operations.