v3.25.0.1
Leases: (Balance Sheet Classification of Lease Assets and Liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2024
Dec. 31, 2023
Operating Leases    
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Other Assets, Noncurrent Other Assets, Noncurrent
Other assets $ 585 $ 631
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other Accrued Liabilities, Current Other Accrued Liabilities, Current
Accrued liabilities - Other $ 177 $ 197
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] Income Taxes And Other Liabilities, Noncurrent Income Taxes And Other Liabilities, Noncurrent
Income taxes and other liabilities $ 427 $ 456
Total lease liabilities $ 604 $ 653
Finance Leases    
Finance Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration] Machinery and equipment Machinery and equipment
Finance lease, right of use asset $ 126 $ 111
Finance Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Less current portion of long-term debt Less current portion of long-term debt
Finance lease, current liability $ 37 $ 30
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Long-term debt (Note 8) Long-term debt (Note 8)
Finance leases, noncurrent $ 30 $ 23
Finance leases 67 53
Machinery and Equipment    
Finance Leases    
Finance lease, right of use asset 126 111
Other assets    
Operating Leases    
Other assets $ 585 $ 631
Minimum    
Lessee, Lease, Description [Line Items]    
Lease term 1 year  
Maximum    
Lessee, Lease, Description [Line Items]    
Lease term 69 years