XML 172 R132.htm IDEA: XBRL DOCUMENT v3.21.2
Fair Value Measurements - EEGH - Debt (Details) - USD ($)
$ in Millions
Sep. 30, 2021
Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, carrying value $ 50,098 $ 49,866
Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value 57,902 60,633
EEGH    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, carrying value 3,910 4,425
EEGH | Level 2    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Long-term debt, fair value $ 4,327 $ 5,012