Annual report [Section 13 and 15(d), not S-K Item 405]

Leases - Financial Statement Location Tables (Details)

v3.25.4
Leases - Financial Statement Location Tables (Details) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Lessee, Lease, Description [Line Items]      
Right-of-use assets—Operating $ 76 $ 79  
Right-of-use assets—Financing 62 70  
Lease Right of Use Asset 138 149  
Current operating lease liabilities 5 4  
Current finance lease liabilities 7 6  
Operating lease liabilities 73 76  
Finance lease liabilities 61 67  
Lease Liability 146 153  
Lease, Cost $ 24 $ 22 $ 18
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Right-of-use assets—Operating Right-of-use assets—Operating  
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Property, plant and equipment, net of accumulated depreciation Property, plant and equipment, net of accumulated depreciation  
Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Other current liabilities Other current liabilities  
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Other current liabilities Other current liabilities  
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other non-current liabilities Other non-current liabilities  
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Other non-current liabilities Other non-current liabilities  
Operating costs and expenses [Member]      
Lessee, Lease, Description [Line Items]      
Operating lease cost [1],[2] $ 11 $ 12 13
Variable Lease, Cost 2 1 1
Depreciation and Amortization Expense      
Lessee, Lease, Description [Line Items]      
Finance Lease, Right-of-Use Asset, Amortization 9 7 4
Interest Expense, net of capitalized interest      
Lessee, Lease, Description [Line Items]      
Finance Lease, Interest Expense $ 4 $ 3 $ 1
[1] Includes $2 million, $1 million and $1 million of variable lease costs incurred during the years ended December 31, 2025, 2024 and 2023, respectively.
[2] Presented in the appropriate line item within operating costs and expenses, consistent with the nature of our use of the asset under lease.