v3.26.1
Fair Value Measurements (Details) - EBP 008 - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments $ 703,628,323 $ 607,996,443
UGI Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 27,365,501 22,487,831
Total | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 203,564,107 179,350,057
Total | UGI Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 27,365,501 22,487,831
Total | Brokerage Link    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 17,952,198 15,063,619
Level 1    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 248,881,806 216,901,507
Level 1 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 203,564,107 179,350,057
Level 1 | UGI Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 27,365,501 22,487,831
Level 1 | Brokerage Link    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 17,952,198 15,063,619
Level 2    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 0 0
Level 2 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 0 0
Level 2 | UGI Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 0 0
Level 2 | Brokerage Link    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 0 0
Level 3    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 0 0
Level 3 | Mutual funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 0 0
Level 3 | UGI Common Stock    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 0 0
Level 3 | Brokerage Link    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 0 0
Other    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments 454,746,517 391,094,936
Other | Common collective trust funds    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments $ 306,123,590 $ 262,131,982
Redemption Notice Period 30 days 30 days
Other | Collective investment trust fund    
EBP, Investment, Fair Value and NAV [Line Items]    
Total investments $ 148,622,927 $ 128,962,954
Redemption Notice Period 30 days 30 days