v3.26.3
DESCRIPTION OF THE BUSINESS AND BASIS OF PRESENTATION - Equity Method Investees (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Sep. 30, 2025
Schedule of Equity Method Investments [Line Items]      
Investments As of $ 1,220 $ 1,253 $ 1,253
NEXUS      
Schedule of Equity Method Investments [Line Items]      
Investments As of $ 853 $ 867  
% Owned As of 50.00% 50.00%  
Vector      
Schedule of Equity Method Investments [Line Items]      
Investments As of $ 145 $ 134  
% Owned As of 40.00% 40.00%  
Millennium      
Schedule of Equity Method Investments [Line Items]      
Investments As of $ 222 $ 252  
% Owned As of 52.50% 52.50%