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EQUITY (Details)
$ / shares in Units, shares in Millions, $ in Millions
3 Months Ended
Apr. 30, 2025
$ / shares
Feb. 04, 2025
Jan. 31, 2025
USD ($)
shares
Mar. 31, 2025
USD ($)
$ / shares
Mar. 31, 2024
$ / shares
Option Indexed to Issuer's Equity [Line Items]          
Share repurchase, authorized amount       $ 2,000  
Repurchase of common stock       $ 17  
Common stock dividends (in dollars per share) | $ / shares       $ 1.03 $ 0.99
Subsequent Event          
Option Indexed to Issuer's Equity [Line Items]          
Common stock, dividends, declared (in dollars per share) | $ / shares $ 1.03        
EnLink Acquisition          
Option Indexed to Issuer's Equity [Line Items]          
Ownership percentage in variable interest entity     100.00%    
MBTC Pipeline          
Option Indexed to Issuer's Equity [Line Items]          
Ownership percentage in variable interest entity   80.00%      
EnLink Acquisition          
Option Indexed to Issuer's Equity [Line Items]          
Exchange ratio per Magellan unit     0.1412    
EnLink Acquisition | Common Stock          
Option Indexed to Issuer's Equity [Line Items]          
Shares of common stock issued (in shares) | shares     41    
Equity consideration     $ 4,000