v3.26.1
Other Expenses (Income), Net (Tables)
 3 Months Ended
Jun. 30, 2026
Other Income and Expenses [Abstract]  
Schedule of other nonoperating income (expense)
Other expenses (income), net consists of the following:
Three Months Ended
June 30,
in millions20262025
September and November Oswego fires
Idle fixed costs(1)
$22 $— 
Repairs and clean-up costs(2)
(4)— 
Excess costs to fulfill customer contracts(3)
406 — 
Property and other insurance recoveries(4)
(163)— 
Other4 — 
September and November Oswego fires losses, net of recoveries265 — 
Sierre flood
Repairs and clean-up costs— 4 
Excess costs to fulfill customer contracts(3)
— 2 
Sierre flood losses, net of recoveries— 6 
September and November Oswego fires business interruption insurance recoveries(47)— 
Currency losses, net(5)
— 1 
Unrealized (gains) losses on change in fair value of derivative instruments, net(6)
(78)8 
Realized losses (gains) on change in fair value of derivative instruments, net(6)
115 (20)
(Gain) loss on sale or disposal of assets, net
(2)2 
Interest income
(6)(5)
Non-operating net periodic benefit cost(7)
(1)(2)
Other, net13 9 
Other expenses (income), net
$259 $(1)
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(1)Idle fixed costs consist of employment costs and other operating expenses incurred during the period in which operations were halted at the Oswego and Sierre plants.
(2)Repairs and clean-up costs include a $23 million reversal of previously accrued vendor costs that were accrued based on the vendor quotes as of fiscal 2026.
(3)Excess costs to fulfill customer contracts consist of freight costs, including import tariffs, incurred to reroute material to fulfill customer contracts related to plant shutdowns and price premiums to procure external third-party material to meet customer demand.
(4)Property and other insurance recoveries includes $116 million of property insurance recoveries and $47 million of tariff and freight costs related to costs fulfill customer contracts.
(5)Includes losses recognized on balance sheet remeasurement currency exchange contracts, net. See Note 9 – Currency Losses (Gains) for further details.
(6)See Note 10 – Financial Instruments and Commodity Contracts for further details.
(7)Represents net periodic benefit cost, exclusive of pension curtailment and settlement gains and service cost, for the Company's pension and other post-retirement plans. For further details, refer to Note 8 – Postretirement Benefit Plans.