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MARKETABLE SECURITIES AND NON-CURRENT INVESTMENTS - Amortized Cost and Estimated Fair Value of Marketable Securities by Contractual Maturity (Details) - USD ($) $ in Millions | Mar. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Cost |  |
Due in one year or less | $ 1,727 |
Due after one year through three years | 1,478 |
Due after three years through five years | 2 |
Due after five years | 0 |
Amortized cost | 3,207 |
Equity securities | 6 |
Current marketable securities, Cost | 3,213 | $ 2,007
Estimated Fair Value |  |
Due in one year or less | 1,726 |
Due after one year through three years | 1,474 |
Due after three years through five years | 2 |
Due after five years | 0 |
Debt securities | 3,202 |
Equity securities | 6 |
Marketable securities | $ 3,208 | $ 1,993

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