XML 113 R84.htm IDEA: XBRL DOCUMENT v3.22.0.1
Capitalization - Schedule of Long-Term Debt Maturities (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
2022 $ 440  
2023 969  
2024 393  
2025 319  
2026 385  
Long-term debt 23,044 $ 22,349
Long-term debt due within one year   1,967
CECONY    
Debt Instrument [Line Items]    
2022 0  
2023 0  
2024 250  
2025 0  
2026 250  
Long-term debt $ 18,382 16,789
Long-term debt due within one year   $ 640