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Description of the Business and Basis of Presentation - Equity Method Investees (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Oct. 31, 2022
Dec. 31, 2021
Schedule of Equity Method Investments [Line Items]        
Investments As of $ 1,762 $ 2,200   $ 1,691
NEXUS        
Schedule of Equity Method Investments [Line Items]        
Investments As of $ 900 $ 1,313    
% Owned As of 50.00% 50.00%    
Vector        
Schedule of Equity Method Investments [Line Items]        
Investments As of $ 135 $ 135    
% Owned As of 40.00% 40.00%    
Millennium        
Schedule of Equity Method Investments [Line Items]        
Investments As of $ 727 $ 752    
% Owned As of 52.50% 52.50% 52.50%