XML 155 R132.htm IDEA: XBRL DOCUMENT v3.24.0.1
Supplementary Financial Information - Schedule of Fair Value of Debt (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Carrying Amount | Long-term debt under the Vistra Operations Credit Facilities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt Instrument, fair value disclosure $ 2,456 $ 2,519
Carrying Amount | Vistra Operations Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt Instrument, fair value disclosure 11,881 9,378
Carrying Amount | Equipment Financing Agreements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt Instrument, fair value disclosure 65 74
Fair Value | Level 2 | Long-term debt under the Vistra Operations Credit Facilities    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt Instrument, fair value disclosure 2,500 2,486
Fair Value | Level 2 | Vistra Operations Senior Notes    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt Instrument, fair value disclosure 11,752 8,830
Fair Value | Level 3 | Equipment Financing Agreements    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Debt Instrument, fair value disclosure $ 62 $ 72