v3.26.1
Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Schedule of Investments [Line Items]          
Other $ 11,804   $ 11,804   $ 11,104
Guarantor obligations, current carrying value 873   873    
XPLR          
Schedule of Investments [Line Items]          
Guarantor obligations, current carrying value 1,800   1,800    
Debt instrument, fair value disclosure $ 58   $ 58    
XPLR OpCo | Contracted Renewable Energy Assets and Contracted Natural Gas Pipeline          
Schedule of Investments [Line Items]          
Equity method investment, ownership percentage 52.40%   52.40%    
NEER [Member]          
Schedule of Investments [Line Items]          
Related party services $ 297 $ 234 $ 576 $ 454  
Cash Sweep And Credit Support Agreement [Member] | NEER [Member]          
Schedule of Investments [Line Items]          
Other Receivables 427   427   498
Other 171   171   $ 183
Service Agreements | NEER [Member] | XPLR          
Schedule of Investments [Line Items]          
Reimbursements, Interest and Fee Income, Other Loans $ 35 $ 214 $ 111 $ 577