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Investments In and Advances To Affiliates - Summary of Financial Information of Affiliates & Subsidiaries (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
3 Months Ended 6 Months Ended 12 Months Ended 21 Months Ended
Feb. 28, 2023
Dec. 31, 2022
Jun. 30, 2022
Mar. 31, 2022
Dec. 31, 2021
Sep. 30, 2021
Jun. 30, 2021
Mar. 31, 2021
Sep. 30, 2020
Jun. 30, 2020
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2022
Nov. 01, 2021
Mar. 04, 2021
Investments in and Advances to Affiliates [Line Items]                                
Gain (Loss) on Disposition of Business         $ (1,800)           $ (9) $ (1,683) $ (95)      
Business Combination, Consideration Transferred                     $ 28          
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain     $ 178 $ 36           $ 214            
Shares Issued, Price Per Share   $ 25.85                 $ 25.85     $ 25.85   $ 25.88
Qatar Investment Authority                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Purchase Price Agreement             $ 125                  
Qatar Investment Authority                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Ownership Percentage Sold     13.60%                          
Guacolda Affiliate [Member]                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Ownership Percentage             50.00%                  
Uplight                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Ownership Percentage   29.00%     29.40% 29.60% 32.30%       29.00% 29.40%   29.00%    
Fluence [Member]                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Ownership Percentage   33.50% 43.20% 50.00% 34.00%           33.50% 34.00%   33.50%    
Fluence [Member] | Additional Decimal Displayed                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Ownership Percentage         34.20%             34.20%        
Fluence [Member]                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Realized Gain (Loss) on Disposal         $ 325 $ 60                    
Shares, Issued                             35,650  
Shares Issued, Price Per Share                             $ 28  
Proceeds from divestiture of business         936                      
Guacolda Affiliate [Member]                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Realized Gain (Loss) on Disposal           34                    
Equity Method Investment, Purchase Price Agreement               $ 34                
Equity Method Investment Long Lived Asset Impairment                 $ 127              
Uplight                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Realized Gain (Loss) on Disposal           25                    
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable         $ 23 $ 37                    
sPower [Member]                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Other than Temporary Impairment                     $ 175          
Business Combination, Consideration Transferred               $ 102                
Equity Method Investment, Realized Gain (Loss) on Disposal   $ 35                            
Equity Method Investment, Ownership Acquired         25.00%             25.00%        
Barry                                
Investments in and Advances to Affiliates [Line Items]                                
Other Long-term Debt   $ 39     $ 44           $ 39 $ 44   $ 39    
Colon [Domain]                                
Investments in and Advances to Affiliates [Line Items]                                
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain                       6        
Grupo Energia Gas Panama                                
Investments in and Advances to Affiliates [Line Items]                                
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable                       $ 44   $ 45    
sPower OpCo B [Member]                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Ownership Percentage Sold   49.00%                 49.00%     49.00%    
sPower OpCo B [Member] | Subsequent Event [Member]                                
Investments in and Advances to Affiliates [Line Items]                                
Equity Method Investment, Amount Sold $ 196