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Fair Value Measurements - Investments and Derivatives (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Assets: |  |
Common stock and equivalents | $ 28 | $ 21
Recurring | Common stock and equivalents |  |
Assets: |  |
Common stock and equivalents | 28 | 21
Recurring | Foreign exchange derivative contracts |  |
Assets: |  |
Derivative assets | 13 | 15
Liabilities: |  |
Derivative liabilities | 4 | 5
Recurring | Equity Swap | Estimate of Fair Value Measurement |  |
Assets: |  |
Derivative assets | 1 |
Recurring | Treasury rate lock | Estimate of Fair Value Measurement |  |
Liabilities: |  |
Derivative liabilities | 0 |
Level 1 | Recurring | Common stock and equivalents |  |
Assets: |  |
Common stock and equivalents | 28 | 21
Level 1 | Recurring | Foreign exchange derivative contracts |  |
Assets: |  |
Derivative assets | 0 | 0
Liabilities: |  |
Derivative liabilities | 0 | 0
Level 1 | Recurring | Equity Swap |  |
Assets: |  |
Derivative assets | 1 |
Level 1 | Recurring | Treasury rate lock |  |
Liabilities: |  |
Derivative liabilities | 0 |
Level 2 | Recurring | Common stock and equivalents |  |
Assets: |  |
Common stock and equivalents | 0 | 0
Level 2 | Recurring | Foreign exchange derivative contracts |  |
Assets: |  |
Derivative assets | 13 | 15
Liabilities: |  |
Derivative liabilities | 4 | $ 5
Level 2 | Recurring | Equity Swap |  |
Assets: |  |
Derivative assets | 0 |
Level 2 | Recurring | Treasury rate lock |  |
Liabilities: |  |
Derivative liabilities | $ 12 |

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