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Fair Value (Tables) | 3 Months Ended
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Mar. 31, 2024
Fair Value Disclosures [Abstract] |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis | The following table sets forth, by level within the fair value hierarchy, the financial assets and liabilities recorded at fair value on a recurring basis as of March 31, 2024 and December 31, 2023 (in millions):
|  | March 31, 2024 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Investments in equity securities |  | $ | 65 |  |  | $ | 65 |  |  | $ | — |  |  | $ | — |
Available-for-sale debt securities |  |  | 178 |  |  |  | — |  |  |  | 178 |  |  |  | — |
Trading securities |  |  | 5 |  |  |  | — |  |  |  | 5 |  |  |  | — |
Total assets |  | $ | 248 |  |  | $ | 65 |  |  | $ | 183 |  |  | $ | — |
|  | December 31, 2023 |  |  | Level 1 |  |  | Level 2 |  |  | Level 3 |
Investments in equity securities |  | $ | 69 |  |  | $ | 69 |  |  | $ | — |  |  | $ | — |
Available-for-sale debt securities |  |  | 182 |  |  |  | — |  |  |  | 182 |  |  |  | — |
Trading securities |  |  | 5 |  |  |  | — |  |  |  | 5 |  |  |  | — |
Total assets |  | $ | 256 |  |  | $ | 69 |  |  | $ | 187 |  |  | $ | — |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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