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INVESTMENTS (Tables) | 9 Months Ended
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Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Schedule of Investment | The following table provides a summary of our Investments as of the dates presented:
| September 30, 2025 |  | December 31, 2024
(Millions) |
Investment securities: |  |  |
Available-for-sale debt securities | $ | 174 |  |  | $ | 170 |
Equity securities | 49 |  |  | 47 |
Total investment securities | 223 |  |  | 217 |
Equity method and other investments | 61 |  |  | 49 |
Total Investments | $ | 284 |  |  | $ | 266 |
Schedule of Principal Components of Other Investments Which Are Carried At Fair Value | The table below provides unrealized gains and losses on AFS debt securities as of the dates presented:
| September 30, 2025 |  | December 31, 2024
| Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value |  | Amortized Cost |  | Unrealized Gains |  | Unrealized Losses |  | Fair Value
(Millions) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities | $ | 193 |  |  | $ | — |  |  | $ | (19) |  |  | $ | 174 |  |  | $ | 195 |  |  | $ | — |  |  | $ | (25) |  |  | $ | 170 |
Total | $ | 193 |  |  | $ | — |  |  | $ | (19) |  |  | $ | 174 |  |  | $ | 195 |  |  | $ | — |  |  | $ | (25) |  |  | $ | 170 |
Schedule of Debt securities in Gross Unrealized Loss Position | The following tables provide information about AFS debt securities in a gross unrealized loss position and the length of time that individual securities have been in a continuous unrealized loss position, as of the dates presented:
| September 30, 2025
| Less than 12 months |  | 12 Months or Greater |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
(Millions) |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities | $ | 2 |  |  | $ | — |  |  | $ | 140 |  |  | $ | (19) |  |  | $ | 142 |  |  | $ | (19) |
Total | $ | 2 |  |  | $ | — |  |  | $ | 140 |  |  | $ | (19) |  |  | $ | 142 |  |  | $ | (19) |
| December 31, 2024
| Less than 12 months |  | 12 Months or Greater |  | Total
| Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses |  | Fair Value |  | Unrealized Losses
(Millions) |  |  |  |  |  |  |  |  |  |  |
Available-for-sale securities | $ | 27 |  |  | $ | — |  |  | $ | 140 |  |  | $ | (25) |  |  | $ | 167 |  |  | $ | (25) |
Total | $ | 27 |  |  | $ | — |  |  | $ | 140 |  |  | $ | (25) |  |  | $ | 167 |  |  | $ | (25) |

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