v3.26.1
Debt - Components of Debt (Details)
€ in Millions, $ in Millions
Jun. 30, 2026
USD ($)
Jun. 30, 2026
EUR (€)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Debt Instrument [Line Items]        
Finance lease liabilities $ 40   $ 39  
Financing obligation 91   88  
Supplier financing obligation $ 12   $ 10  
Supplier Finance Program, Obligation, Statement of Financial Position [Extensible Enumeration] Less: Short-term and current maturities of long-term debt Less: Short-term and current maturities of long-term debt Less: Short-term and current maturities of long-term debt Less: Short-term and current maturities of long-term debt
Other $ 0   $ 9  
Total debt principal 3,914   4,182  
Less: Unamortized issue discounts (16)   (21)  
Less: Unamortized debt issuance costs (26)   (20)  
Less: Short-term and current maturities of long-term debt (34)   (42)  
Total long-term debt, net 3,838   4,099  
Senior Secured Tranche B-4 U.S. Dollar Term Loan Due October 2032 [Member]        
Debt Instrument [Line Items]        
Long-term debt 1,045   1,050  
Senior Secured Tranche B-3 Euro Term Loan Due August 2028 [Member]        
Debt Instrument [Line Items]        
Long-term debt 211 € 185 488 € 415
5.375% Senior Unsecured Notes Due May 2027 [Member]        
Debt Instrument [Line Items]        
Long-term debt 0   495  
5.750% Senior Unsecured Notes Due November 2028 [Member]        
Debt Instrument [Line Items]        
Long-term debt 595   783  
4.625% Senior Unsecured Notes Due November 2029 [Member]        
Debt Instrument [Line Items]        
Long-term debt 620   620  
8.000% Senior Unsecured Notes Due January 2033 [Member]        
Debt Instrument [Line Items]        
Long-term debt 600   600  
7.875% Senior Unsecured Notes Due March 2034 [Member]        
Debt Instrument [Line Items]        
Long-term debt $ 700   $ 0