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Fair Value of Financial Instruments (Tables) | 12 Months Ended
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Dec. 31, 2024
Fair Value Disclosures [Abstract] |
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis |
| December 31, 2024 |  | December 31, 2023
| Fair Value |  | Level I |  | Level II |  | Level III |  | Fair Value |  | Level I |  | Level II |  | Level III
Certificates of deposit and time deposits | $ | 12,767 |  |  | $ | — |  |  | $ | 12,767 |  |  | $ | — |  |  | $ | 6,996 |  |  | $ | — |  |  | $ | 6,996 |  |  | $ | — |
Commercial paper | 3,919 |  |  | — |  |  | 3,919 |  |  | — |  |  | 470 |  |  | — |  |  | 470 |  |  | — |
U.S. government securities | 3,620 |  |  | — |  |  | 3,620 |  |  | — |  |  | 5,136 |  |  | — |  |  | 5,136 |  |  | — |
Corporate debt securities | 118 |  |  | — |  |  | 118 |  |  | — |  |  | 480 |  |  | — |  |  | 480 |  |  | — |
Money market funds | 1,753 |  |  | 1,753 |  |  | — |  |  | — |  |  | 109 |  |  | 109 |  |  | — |  |  | — |
Digital assets | 1,076 |  |  | 1,076 |  |  | — |  |  | — |  |  | Not applicable
Total | $ | 23,253 |  |  | $ | 2,829 |  |  | $ | 20,424 |  |  | $ | — |  |  | $ | 13,191 |  |  | $ | 109 |  |  | $ | 13,082 |  |  | $ | — |
Unrealized Gain (Loss) on Investments | Our cash, cash equivalents and investments classified by security type as of December 31, 2024 and 2023 consisted of the following (in millions):
| December 31, 2024
| Adjusted Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Short-Term Investments
Cash | $ | 14,386 |  |  | $ | — |  |  | $ | — |  |  | $ | 14,386 |  |  | $ | 14,386 |  |  | $ | — |
Certificates of deposit and time deposits | 12,767 |  |  | — |  |  | — |  |  | 12,767 |  |  | — |  |  | 12,767 |
Commercial paper | 3,908 |  |  | 11 |  |  | — |  |  | 3,919 |  |  | — |  |  | 3,919 |
U.S. government securities | 3,618 |  |  | 3 |  |  | (1) |  |  | 3,620 |  |  | — |  |  | 3,620 |
Corporate debt securities | 117 |  |  | 1 |  |  | — |  |  | 118 |  |  | — |  |  | 118 |
Money market funds | 1,753 |  |  | — |  |  | — |  |  | 1,753 |  |  | 1,753 |  |  | — |
Total cash, cash equivalents and short-term investments | $ | 36,549 |  |  | $ | 15 |  |  | $ | (1) |  |  | $ | 36,563 |  |  | $ | 16,139 |  |  | $ | 20,424 |
| December 31, 2023
| Adjusted Cost |  | Gross Unrealized Gains |  | Gross Unrealized Losses |  | Fair Value |  | Cash and Cash Equivalents |  | Short-Term Investments
Cash | $ | 15,903 |  |  | $ | — |  |  | $ | — |  |  | $ | 15,903 |  |  | $ | 15,903 |  |  | $ | — |
Certificates of deposit and time deposits | 6,995 |  |  | 1 |  |  | — |  |  | 6,996 |  |  | — |  |  | 6,996 |
U.S. government securities | 5,136 |  |  | 1 |  |  | (1) |  |  | 5,136 |  |  | 277 |  |  | 4,859 |
Corporate debt securities | 485 |  |  | 1 |  |  | (6) |  |  | 480 |  |  | — |  |  | 480 |
Commercial paper | 470 |  |  | — |  |  | — |  |  | 470 |  |  | 109 |  |  | 361 |
Money market funds | 109 |  |  | — |  |  | — |  |  | 109 |  |  | 109 |  |  | — |
Total cash, cash equivalents and short-term investments | $ | 29,098 |  |  | $ | 3 |  |  | $ | (7) |  |  | $ | 29,094 |  |  | $ | 16,398 |  |  | $ | 12,696 |

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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/2009/role/commonPracticeRef -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 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -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 + Details
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