v3.25.2
Pension and other postretirement benefits (Tables)
 6 Months Ended
Jun. 30, 2025
Retirement Benefits [Abstract]  
Schedule of Net Benefit Costs
The components of net periodic benefit cost recognized in the Condensed Consolidated Statements of Income for the Pension and Other Postretirement Benefit (OPEB) Plans were:
U.S.Non-U.S.
Three months endedSix months endedThree months endedSix months ended
June 30June 30June 30June 30
in $ millions20252024202520242025202420252024
Service cost1 – 1 – 10 10 20 20 
Interest cost6 6 12 12 22 21 42 42 
Expected return on assets(6)(5)(11)(10)(26)(22)(49)(44)
Amortization of:
Past service credit– – – – (3)(3)(6)(6)
Actuarial loss– 1 – 2 2 1 3 2 
Settlement gain (i)– – – – – – – (3)
Net periodic benefit cost (ii) (iii)1 2 2 4 5 7 10 11 
(i)     Settlement gain of $3 million for the six months ended June 30, 2024 relates to pension plans divested as part of the sale of the Company's Lime operations in Europe and is included in (loss) gain on divestitures and investments, within Other nonoperating (expense) income, net.
(ii) Includes net periodic benefit cost of $1 million and $1 million related to OPEB plans for the three months ended June 30, 2025, and June 30, 2024, and $2 million and $2 million for the six months ended June 30, 2025, and June 30, 2024, respectively.
(iii) Service cost is included within Cost of revenues and Selling, general and administrative expenses while all other cost components are recorded within Other nonoperating (expense) income, net.