v3.26.1
Loans from banks and other financial institutions (Narrative) (Details)
€ in Millions, $ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2024
Mar. 31, 2026
USD ($)
Dec. 31, 2025
USD ($)
Feb. 28, 2026
USD ($)
Nov. 30, 2025
USD ($)
Aug. 31, 2025
USD ($)
May 31, 2025
EUR (€)
May 31, 2025
USD ($)
Apr. 30, 2025
USD ($)
Mar. 31, 2025
USD ($)
Jan. 01, 2025
USD ($)
Dec. 31, 2024
USD ($)
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Loans from banks and other financial institutions for project financing in use     $ 68                  
Credit from banks     $ 545                  
Gecama Financing Agreement [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Bonds issued             € 294 $ 345        
Borrowings, interest rate basis The interest on the loan is fixed at 5.097%, consisting of a 3M Euribor 2.497% + Margin 2.6%                      
ADSCR for default 1.1                      
ADSCR for distribution 1.25                      
Mezzanine Facility Agreement [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Credit Facility           $ 350            
Mezzanine Facility Agreement [Member] | Tranche A [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Interest on loan     7.32%                  
Mezzanine Facility Agreement [Member] | Tranche B [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Interest on loan     7.07%                  
Definitive Construction Facility Agreements [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount                 $ 244   $ 550  
Solar and Storage projects in Israel [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount     $ 249                 $ 208
Maturity     2031                  
Borrowings, interest rate basis     6.37%-7.37%                  
Amortization period [Member] | Solar and Storage projects in Israel [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Maturity     20-year                  
Mini-perm term [Member] | Solar and Storage projects in Israel [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Maturity     6-year                  
Roadrunner Solar [Member] | Definitive Construction Facility Agreements [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount                     223  
Term loan financing                     327  
Tax equity financing   $ 390 $ 132                  
Additional tax equity financing   $ 36                    
Roadrunner Solar [Member] | Definitive Construction Facility Agreements [Member] | Construction Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount       $ 290             127  
Interest on loan     5.82%                  
Term loan financing                     254  
Roadrunner Solar [Member] | Definitive Construction Facility Agreements [Member] | Tax Credit Bridge Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount                     96  
Interest on loan     6.57%                  
Term loan financing                     $ 73  
Roadrunner Battery Storage [Member] | Definitive Construction Facility Agreements [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Tax equity financing     $ 84                  
Quail Ranch Solar [Member] | Definitive Construction Facility Agreements [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount                 114      
Tax equity financing     22                  
Quail Ranch Solar [Member] | Definitive Construction Facility Agreements [Member] | Construction Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount                 51      
Quail Ranch Solar [Member] | Definitive Construction Facility Agreements [Member] | Tax Credit Bridge Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount                 45      
Quail Ranch Solar [Member] | Definitive Construction Facility Agreements [Member] | Upsize Bridge Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount                 17      
Quail Ranch Energy Storage [Member] | Definitive Construction Facility Agreements [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Term loan financing                 130      
Tax equity financing     $ 18                  
Quail Ranch Energy Storage [Member] | Definitive Construction Facility Agreements [Member] | Construction Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Interest on loan     5.89%                  
Term loan financing                 82      
Quail Ranch Energy Storage [Member] | Definitive Construction Facility Agreements [Member] | Tax Credit Bridge Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Interest on loan     6.64%                  
Term loan financing                 31      
Quail Ranch Energy Storage [Member] | Definitive Construction Facility Agreements [Member] | Upsize Bridge Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Term loan financing                 $ 17      
Clenera Holdings Llc [Member] | Definitive Construction Facility Agreements [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount         $ 1,400         $ 773    
Interest on loan         5.72%              
Clenera Holdings Llc [Member] | Definitive Construction Facility Agreements [Member] | Construction Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount         $ 1,000         497    
Interest on loan     5.80%                  
Clenera Holdings Llc [Member] | Definitive Construction Facility Agreements [Member] | Tax Credit Bridge Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount         $ 432         165    
Clenera Holdings Llc [Member] | Definitive Construction Facility Agreements [Member] | Upsize Bridge Loan [Member]                        
Credit From Banking Corporations Financial Institutions And Other Credit Providers [Line Items]                        
Total loan amount                   $ 111