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Other Assets | 12 Months Ended
--- | ---
Dec. 31, 2024
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Other Assets | OTHER ASSETS
($ millions) | 2024 |  |  | 2023 |
Employee future benefits (Note 24) | 551 |  |  | 355 |
Equity investments (1) | 259 |  |  | 237 |
Other investments | 225 |  |  | 180 |
RECs (Note 8) | 176 |  |  | 155 |
Supplemental Executive Retirement Plan ("SERP") | 127 |  |  | 117 |
Operating leases (Note 15) | 64 |  |  | 51 |
Derivatives | 48 |  |  | 43 |
Deferred compensation plan | 29 |  |  | 22 |
Other | 174 |  |  | 138 |
| 1,653 |  |  | 1,298 |
(1) Includes investments in Belize Electricity and Wataynikaneyap Power ITC, UNS Energy and Central Hudson provide additional post-employment benefits through SERPs and deferred compensation plans for directors and officers. The assets held to support these plans are reported separately from the related liabilities (Note 16). Most plan assets are held in trust and funded mainly through life insurance policies and mutual funds. Assets in mutual and money market funds are recorded at fair value on a recurring basis (Note 26).

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