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Investments (Tables) | 3 Months Ended
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Mar. 31, 2023
Investments [Abstract] |
Schedule of Investments | Investments consisted of the following as of:
(in millions) |  | March 31, 2023 |  | December 31, 2022
Equity investments |  | $ | 23 |  |  | $ | 23 |
Equity method investments |  | 116 |  |  | 113 |
Marketable securities |  | 4 |  |  | 3 |
Total investments |  | $ | 143 |  |  | $ | 139 |

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