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Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Schedule of Investments [Line Items]      
Guarantor obligations, current carrying value $ 493    
NextEra Energy Partners      
Schedule of Investments [Line Items]      
Guarantor obligations, current carrying value 4,599    
Debt instrument, fair value disclosure 56    
NEER [Member]      
Schedule of Investments [Line Items]      
Related party services 233 $ 175  
Cash Sweep And Credit Support Agreement [Member] | NEER [Member]      
Schedule of Investments [Line Items]      
Fee income 44 $ 41  
Due from related parties, current 52   $ 94
Due from related parties, noncurrent 114   101
Cash Sweep And Credit Support Agreement [Member] | NEER [Member] | NextEra Energy Partners      
Schedule of Investments [Line Items]      
Due to related parties $ 21   $ 298