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Fair Value Measurements and Financial Instruments (Details) - USD ($) $ in Millions | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Assets |  |
Short-term investments | $ 3,049 |
Corporate debt securities | Other assets, noncurrent |  |
Assets |  |
Short-term investments | 4 | $ 4
Fair Value, Recurring |  |
Assets |  |
Cash equivalents | 1,822 | 2,369
Total short-term investments at fair value | 3,045 | 2,507
Total assets at fair value | 6,331 | 6,267
Liabilities |  |
Total liabilities at fair value |  | 60
Fair Value, Recurring | Foreign exchange derivative assets |  |
Liabilities |  |
Accrued expenses, accounts payable, and other current liabilities: | 20 | 55
Other liabilities, noncurrent: |  | 5
Fair Value, Recurring | Prepaids and other current assets | Foreign exchange derivative assets |  |
Assets |  |
Other assets | 114 | 27
Fair Value, Recurring | Other assets, noncurrent | Foreign exchange derivative assets |  |
Assets |  |
Other assets | 6 |
Fair Value, Recurring | Corporate debt securities |  |
Assets |  |
Short-term investments | 2,177 | 1,491
Fair Value, Recurring | Corporate debt securities | Other assets, noncurrent |  |
Assets |  |
Other assets | 4 | 4
Fair Value, Recurring | Commercial paper |  |
Assets |  |
Short-term investments | 214 | 366
Fair Value, Recurring | Government bonds |  |
Assets |  |
Short-term investments | 224 | 333
Fair Value, Recurring | Certificates of deposit |  |
Assets |  |
Short-term investments | 52 | 172
Fair Value, Recurring | Mortgage-backed and asset-backed securities |  |
Assets |  |
Short-term investments | 378 | 145
Fair Value, Recurring | Money market funds |  |
Assets |  |
Cash equivalents | 1,635 | 2,018
Funds receivable and amounts held on behalf of customers | 1,340 | 1,360
Fair Value, Recurring | Commercial paper |  |
Assets |  |
Cash equivalents | 152 | 223
Fair Value, Recurring | Government bonds |  |
Assets |  |
Cash equivalents | 33 | 115
Fair Value, Recurring | Corporate debt securities |  |
Assets |  |
Cash equivalents | 2 | 12
Fair Value, Recurring | Certificates of deposit |  |
Assets |  |
Cash equivalents |  | 1
Fair Value, Recurring | Level 1 |  |
Assets |  |
Cash equivalents | 1,635 | 2,018
Total short-term investments at fair value | 0 | 0
Total assets at fair value | 2,975 | 3,378
Liabilities |  |
Total liabilities at fair value |  | 0
Fair Value, Recurring | Level 1 | Foreign exchange derivative assets |  |
Liabilities |  |
Accrued expenses, accounts payable, and other current liabilities: | 0 | 0
Other liabilities, noncurrent: |  | 0
Fair Value, Recurring | Level 1 | Prepaids and other current assets | Foreign exchange derivative assets |  |
Assets |  |
Other assets | 0 | 0
Fair Value, Recurring | Level 1 | Other assets, noncurrent | Foreign exchange derivative assets |  |
Assets |  |
Other assets | 0 |
Fair Value, Recurring | Level 1 | Corporate debt securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Corporate debt securities | Other assets, noncurrent |  |
Assets |  |
Other assets | 0 | 0
Fair Value, Recurring | Level 1 | Commercial paper |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Government bonds |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Certificates of deposit |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Mortgage-backed and asset-backed securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 1 | Money market funds |  |
Assets |  |
Cash equivalents | 1,635 | 2,018
Funds receivable and amounts held on behalf of customers | 1,340 | 1,360
Fair Value, Recurring | Level 1 | Commercial paper |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Recurring | Level 1 | Government bonds |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Recurring | Level 1 | Corporate debt securities |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Recurring | Level 1 | Certificates of deposit |  |
Assets |  |
Cash equivalents |  | 0
Fair Value, Recurring | Level 2 |  |
Assets |  |
Cash equivalents | 187 | 351
Total short-term investments at fair value | 3,045 | 2,507
Total assets at fair value | 3,352 | 2,885
Liabilities |  |
Total liabilities at fair value |  | 60
Fair Value, Recurring | Level 2 | Foreign exchange derivative assets |  |
Liabilities |  |
Accrued expenses, accounts payable, and other current liabilities: | 20 | 55
Other liabilities, noncurrent: |  | 5
Fair Value, Recurring | Level 2 | Prepaids and other current assets | Foreign exchange derivative assets |  |
Assets |  |
Other assets | 114 | 27
Fair Value, Recurring | Level 2 | Other assets, noncurrent | Foreign exchange derivative assets |  |
Assets |  |
Other assets | 6 |
Fair Value, Recurring | Level 2 | Corporate debt securities |  |
Assets |  |
Short-term investments | 2,177 | 1,491
Fair Value, Recurring | Level 2 | Corporate debt securities | Other assets, noncurrent |  |
Assets |  |
Other assets | 0 | 0
Fair Value, Recurring | Level 2 | Commercial paper |  |
Assets |  |
Short-term investments | 214 | 366
Fair Value, Recurring | Level 2 | Government bonds |  |
Assets |  |
Short-term investments | 224 | 333
Fair Value, Recurring | Level 2 | Certificates of deposit |  |
Assets |  |
Short-term investments | 52 | 172
Fair Value, Recurring | Level 2 | Mortgage-backed and asset-backed securities |  |
Assets |  |
Short-term investments | 378 | 145
Fair Value, Recurring | Level 2 | Money market funds |  |
Assets |  |
Cash equivalents | 0 | 0
Funds receivable and amounts held on behalf of customers | 0 | 0
Fair Value, Recurring | Level 2 | Commercial paper |  |
Assets |  |
Cash equivalents | 152 | 223
Fair Value, Recurring | Level 2 | Government bonds |  |
Assets |  |
Cash equivalents | 33 | 115
Fair Value, Recurring | Level 2 | Corporate debt securities |  |
Assets |  |
Cash equivalents | 2 | 12
Fair Value, Recurring | Level 2 | Certificates of deposit |  |
Assets |  |
Cash equivalents |  | 1
Fair Value, Recurring | Level 3 |  |
Assets |  |
Cash equivalents | 0 | 0
Total short-term investments at fair value | 0 | 0
Total assets at fair value | 4 | 4
Liabilities |  |
Total liabilities at fair value |  | 0
Fair Value, Recurring | Level 3 | Foreign exchange derivative assets |  |
Liabilities |  |
Accrued expenses, accounts payable, and other current liabilities: | 0 | 0
Other liabilities, noncurrent: |  | 0
Fair Value, Recurring | Level 3 | Prepaids and other current assets | Foreign exchange derivative assets |  |
Assets |  |
Other assets | 0 | 0
Fair Value, Recurring | Level 3 | Other assets, noncurrent | Foreign exchange derivative assets |  |
Assets |  |
Other assets | 0 |
Fair Value, Recurring | Level 3 | Corporate debt securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 3 | Corporate debt securities | Other assets, noncurrent |  |
Assets |  |
Other assets | 4 | 4
Fair Value, Recurring | Level 3 | Commercial paper |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 3 | Government bonds |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 3 | Certificates of deposit |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 3 | Mortgage-backed and asset-backed securities |  |
Assets |  |
Short-term investments | 0 | 0
Fair Value, Recurring | Level 3 | Money market funds |  |
Assets |  |
Cash equivalents | 0 | 0
Funds receivable and amounts held on behalf of customers | 0 | 0
Fair Value, Recurring | Level 3 | Commercial paper |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Recurring | Level 3 | Government bonds |  |
Assets |  |
Cash equivalents | 0 | 0
Fair Value, Recurring | Level 3 | Corporate debt securities |  |
Assets |  |
Cash equivalents | $ 0 | 0
Fair Value, Recurring | Level 3 | Certificates of deposit |  |
Assets |  |
Cash equivalents |  | $ 0

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