v3.26.1
Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Schedule of Investments [Line Items]      
Other $ 11,418   $ 11,104
Guarantor obligations, current carrying value 915    
XPLR      
Schedule of Investments [Line Items]      
Guarantor obligations, current carrying value 1,700    
Debt instrument, fair value disclosure $ 57    
XPLR OpCo | Contracted Renewable Energy Assets and Contracted Natural Gas Pipeline      
Schedule of Investments [Line Items]      
Equity method investment, ownership percentage 52.40%    
NEER [Member]      
Schedule of Investments [Line Items]      
Related party services $ 279 $ 220  
Cash Sweep And Credit Support Agreement [Member] | NEER [Member]      
Schedule of Investments [Line Items]      
Other Receivables 559   498
Other 184   $ 183
Service Agreements | NEER [Member] | XPLR      
Schedule of Investments [Line Items]      
Reimbursements, Interest and Fee Income, Other Loans $ 76 $ 363