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Loans and Financing - Summary of Loans and Financing (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2024
Feb. 28, 2025
Dec. 31, 2023
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 2,491.1   $ 2,886.4
Current 113.8   127.1
Non-current $ 2,377.3   2,759.3
Working capital [member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate CDI    
Interest rate 2.60%    
2025-35 | Property, plant and equipment [member] | Guaranteed Notes [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 20.0   20.5
2025-35 | Bottom of range [member] | Property, plant and equipment [member] | Guaranteed Notes [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2025    
2025-35 | Top of range [member] | Property, plant and equipment [member] | Guaranteed Notes [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2035    
2027 [member] | Guaranteed Notes [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 5.40%    
2027 [member] | Guaranteed Notes [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2027    
Loans and financing $ 533.2   532.9
2027 [member] | Working capital [member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate SOFR 6M    
Interest rate 2.60%    
2027 [member] | Working capital [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2027    
Loans and financing $ 0.0   102.4
2027 [member] | Export financing [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 5.49%    
2027 [member] | Export financing [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2027    
Loans and financing $ 372.7   401.0
2028 [member] | Guaranteed Notes [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 6.95%    
2028 [member] | Guaranteed Notes [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2028    
Loans and financing $ 491.9   491.2
2028 [member] | Projects [member] | Secured Overnight Financing Rate [Member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate SOFR 3M    
Interest rate 3.90%    
2028 [member] | Projects [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2028    
Loans and financing $ 50.0   0.0
2028 [member] | Export financing [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 5.44%    
2028 [member] | Export financing [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2028    
Loans and financing $ 0.0   170.0
2028 [member] | Export financing one [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 4.99%    
2028 [member] | Export financing one [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2028    
Loans and financing $ 0.0   30.5
2028 [member] | Export financing two [member] | Secured Overnight Financing Rate [Member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate SOFR 12M    
Interest rate 1.77%    
2028 [member] | Export financing two [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2028    
Loans and financing $ 0.0   165.8
2028 [member] | Other [Member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 10.50%    
2028 [member] | Other [Member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2028    
Loans and financing $ 10.0   10.0
2030 [member] | Guaranteed Notes [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 7.00%    
2030 [member] | Guaranteed Notes [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2030    
Loans and financing $ 761.7   760.3
2026 [member] | Working capital [member] | Local currency [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2026    
Loans and financing $ 3.3   4.3
2026 [member] | Projects [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 4.55%    
2026 [member] | Export financing [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 5.92%    
2026 [member] | Export financing [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2026    
Loans and financing $ 30.5   30.5
2024-25      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 2,025.0    
2024-25 | Working capital [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 4.52%    
2024-25 | Working capital [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 22.0   30.7
2024-25 | Bottom of range [member] | Working capital [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 3.96%    
2024-25 | Bottom of range [member] | Working capital [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2024    
2024-25 | Top of range [member] | Working capital [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2025    
2025 [member] | Working capital one [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2025    
Loans and financing $ 10.7   22.4
2025 [member] | Working capital one [member] | London inter bank offered rate one [member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate Euribor 1M    
Interest rate 1.40%    
2025 [member] | Working capital one [member] | Secured Overnight Financing Rate [Member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate SOFR 6M    
Interest rate 0.50%    
2025 [member] | Working capital one [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2025    
Loans and financing $ 0.0   2.9
2024-26 | Working capital [member] | London inter bank offered rate one [member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate Euribor 12M    
Interest rate 1.31%    
2024-26 | Working capital [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing   $ 1.2 2.3
2024-26 | Bottom of range [member] | Working capital [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2024    
2024-26 | Top of range [member] | Working capital [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2026    
2024-30 | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 26.0   25.2
2024-30 | Bottom of range [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2024    
2024-30 | Bottom of range [member] | Working capital [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 4.35%    
2024-30 | Top of range [member] | Working capital [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 4.50%    
2024-30 | Top of range [member] | Working capital [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2030    
2024-31 | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 66.8   57.6
2024-31 | Working capital [member] | Secured Overnight Financing Rate [Member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate SOFR 6M    
Interest rate 0.75%    
2024-31 | Bottom of range [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2024    
2024-31 | Top of range [member] | Working capital [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2031    
2029 [member] | Projects One [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 5.69%    
2035 [member] | Projects [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 4.55%    
2026-35 | Projects [member] | Local currency [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 13.0   13.2
2026-35 | Bottom of range [member] | Projects [member] | Local currency [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2026    
2026-35 | Top of range [member] | Projects [member] | Local currency [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2035    
2029-40 | Projects [member]      
Disclosure of detailed information about loans and financing [line items]      
Effective interest rate TR    
Interest rate 2.20%    
2029-40 | Projects [member] | Local currency [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 7.4   0.0
2029-40 | Projects One [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 0.9   0.0
2029-40 | Bottom of range [member] | Projects [member] | Local currency [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2029    
2029-40 | Bottom of range [member] | Projects One [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2029    
2029-40 | Top of range [member] | Projects [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2040    
2029-40 | Top of range [member] | Projects [member] | Local currency [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2040    
2027-35 | Projects [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Loans and financing $ 69.8   $ 12.7
2027-35 | Bottom of range [member] | Projects [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 5.30%    
2027-35 | Bottom of range [member] | Projects [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2027    
2027-35 | Top of range [member] | Projects [member]      
Disclosure of detailed information about loans and financing [line items]      
Interest rate 5.77%    
2027-35 | Top of range [member] | Projects [member] | Other currencies [member]      
Disclosure of detailed information about loans and financing [line items]      
Borrowings, maturity 2035