v3.25.4
Goodwill and intangible assets, net - Schedule of intangible assets (Details) - USD ($)
$ in Millions
Dec. 31, 2025
Dec. 31, 2024
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount $ 2,497 $ 2,469
Accumulated amortization (769) (637)
Total intangible assets, net 1,728 1,832
Customer Relationships    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 1,649 1,626
Accumulated amortization (399) (311)
Total intangible assets, net 1,250 1,315
Mining rights    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 256 252
Accumulated amortization (57) (51)
Total intangible assets, net 199 201
Developed technology    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 182 177
Accumulated amortization (65) (45)
Total intangible assets, net 117 132
Software    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 83 81
Accumulated amortization (77) (75)
Total intangible assets, net 6 6
Trade names and trademarks    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 226 230
Accumulated amortization (87) (76)
Total intangible assets, net 139 154
Others    
Finite-Lived Intangible Assets [Line Items]    
Gross carrying amount 101 103
Accumulated amortization (84) (79)
Total intangible assets, net $ 17 $ 24