v3.26.1
EQUITY ACCOUNTED INVESTMENTS - Investments in Joint Ventures and Associates (Details)
$ in Millions, $ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
USD ($)
Jun. 30, 2026
AUD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Disclosure of information about unconsolidated subsidiaries [line items]            
Investments in joint ventures and associates $ 22,846   $ 22,846   $ 21,244 $ 19,547
Investments in joint venture     1,519 $ 490    
Aggregated individually immaterial associates            
Disclosure of information about unconsolidated subsidiaries [line items]            
Investments in associates accounted for using equity method, Carrying value 994   $ 994   $ 919  
Bottom of range | Aggregated individually immaterial associates            
Disclosure of information about unconsolidated subsidiaries [line items]            
Proportion of ownership interests in associates (as a percentage)     19.00%   21.00%  
Top of range | Aggregated individually immaterial associates            
Disclosure of information about unconsolidated subsidiaries [line items]            
Proportion of ownership interests in associates (as a percentage)     47.00%   47.00%  
Aggregated individually immaterial joint ventures            
Disclosure of information about unconsolidated subsidiaries [line items]            
Investments in joint ventures accounted for using equity method, Carrying value $ 21,852   $ 21,852   $ 20,325  
Aggregated individually immaterial joint ventures | Bottom of range            
Disclosure of information about unconsolidated subsidiaries [line items]            
Proportion of ownership interest in joint venture (as a percentage)     15.00%   15.00%  
Aggregated individually immaterial joint ventures | Top of range            
Disclosure of information about unconsolidated subsidiaries [line items]            
Proportion of ownership interest in joint venture (as a percentage)     60.00%   65.00%  
ANZ Storage            
Disclosure of information about unconsolidated subsidiaries [line items]            
Proportion of ownership interest in joint venture (as a percentage) 50.00% 50.00%        
Investments in joint venture $ 1,097 $ 1,530