XML 99 R42.htm IDEA: XBRL DOCUMENT v3.24.0.1
Revenue (Tables)
12 Months Ended
Dec. 31, 2023
Revenue from Contract with Customer [Abstract]  
Schedule of Revenue
($ millions)2023 2022 
Electric and gas revenue
United States
ITC2,098 1,911 
UNS Energy2,707 2,498 
Central Hudson1,329 1,307 
Canada
FortisBC Energy1,766 2,080 
FortisAlberta699 655 
FortisBC Electric460 429 
Newfoundland Power759 722 
Maritime Electric258 234 
FortisOntario217 220 
Caribbean
Caribbean Utilities388 349 
FortisTCI108 98 
Total electric and gas revenue10,789 10,503 
Other services revenue (1)
374 409 
Revenue from contracts with customers11,163 10,912 
Alternative revenue150 (28)
Other revenue204 159 
Total revenue11,517 11,043 
(1)    Includes $308 million and $266 million from regulated operations for 2023 and 2022, respectively