v3.24.0.1
Leases: (Balance Sheet Classification of Lease Assets and Liabilities) (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Operating Leases    
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List] Other Assets, Noncurrent Other Assets, Noncurrent
Other assets $ 631 $ 594
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] Other Accrued Liabilities, Current Other Accrued Liabilities, Current
Accrued liabilities - Other $ 197 $ 178
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 $ 456 $ 436
Total lease liabilities $ 653 $ 614
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 $ 111 $ 123
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 $ 30 $ 34
Finance Lease, Liability, Noncurrent, Statement of Financial Position [Extensible Enumeration] Long-term debt (Note 8) Long-term debt (Note 8)
Finance leases, noncurrent $ 23 $ 20
Finance leases 53 54
Machinery and Equipment    
Finance Leases    
Finance lease, right of use asset 111 123
Other assets    
Operating Leases    
Other assets $ 631 $ 594
Minimum    
Lessee, Lease, Description [Line Items]    
Lease term 1 year  
Maximum    
Lessee, Lease, Description [Line Items]    
Lease term 70 years