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Acquisitions (Details)
$ in Millions
Mar. 21, 2023
USD ($)
numberOfProjects
Sep. 30, 2023
USD ($)
Dec. 31, 2022
USD ($)
Business Acquisition [Line Items]      
Goodwill   $ 5,043 $ 4,854
RNG Acquisition | NextEra Energy Resources      
Business Acquisition [Line Items]      
Assets assumed $ 1,300    
Assumed liabilities 300    
Noncontrolling interests 100    
Goodwill 200    
Consideration transferred 1,100    
Debt assumed 34    
Goodwill, Expected Tax Deductible Amount $ 200    
Number of RNG projects | numberOfProjects 31    
Number of RNG projects, renewable gas facility | numberOfProjects 1