v3.26.1
Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual) - USD ($)
$ / shares in Units, $ in Millions
Jun. 10, 2026
Jun. 30, 2026
Dec. 31, 2025
Common Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.01 $ 0.01
Revolving Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 1,200    
Bridge Facility [Member]      
Debt Instrument, Face Amount 2,600    
Term Loan A [Member]      
Debt Instrument, Face Amount $ 350    
SpinCo [Member] | Former Eaton Shareholders [Member] | Scenario, Plan [Member]      
Subsidiary, Ownership Percentage, Parent 50.10%    
SpinCo [Member] | Former Dana Shareholders [Member] | Scenario, Plan [Member]      
Subsidiary, Ownership Percentage, Noncontrolling Owner 49.90%    
SpinCo [Member]      
Business Combination, Termination, Maximum Expense Reimbursement $ 20    
Business Combination, Termination Fee $ 159    
SpinCo [Member]      
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 1    
SpinCo [Member] | Eaton Corporation plc [Member]      
Business Combination, Percentage of Shares to be Issued Per Acquiree Share 100.00%    
Business Combination, Price of Acquisition, Expected $ 1,100