v3.25.1
CONSOLIDATED BALANCE SHEETS (UNAUDITED) (UA) (Parenthetical) - $ / shares
Mar. 31, 2025
Dec. 31, 2024
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common shares, authorized (in shares) 1,000,000,000 1,000,000,000
Common shares, outstanding (in shares) 327,494,648 327,899,771
United Airlines, Inc.    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common shares, authorized (in shares) 1,000 1,000
Common shares, issued (in shares) 1,000 1,000
Common shares, outstanding (in shares) 1,000 1,000