v3.25.1
Note 3 - Revenue Recognition - Disaggregated Revenue (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Sales $ 712 $ 777
Gas Utilities [Member]    
Sales 273 265
Downstream, Industrial and Energy Transition [Member]    
Sales 220 267
Production and Transmission Infrastructure [Member]    
Sales 219 245
UNITED STATES    
Sales 591 667
UNITED STATES | Gas Utilities [Member]    
Sales 273 265
UNITED STATES | Downstream, Industrial and Energy Transition [Member]    
Sales 162 202
UNITED STATES | Production and Transmission Infrastructure [Member]    
Sales 156 200
International [Member]    
Sales 121 110
International [Member] | Gas Utilities [Member]    
Sales 0 0
International [Member] | Downstream, Industrial and Energy Transition [Member]    
Sales 58 65
International [Member] | Production and Transmission Infrastructure [Member]    
Sales $ 63 $ 45