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CASH AND INVESTMENTS - Amortized Cost and Estimated Fair Value of Marketable Securities by Contractual Maturity (Detail) - USD ($) $ in Millions | Jun. 30, 2022 | Dec. 31, 2021
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Cost |  |
Due in one year or less | $ 30 |
Due after one year through three years | 312 |
Due after three years through five years | 0 |
Due after five years | 0 |
Marketable Securities, Debt Maturities, Amortized Cost, Total | 342 |
Equity securities | 2 |
Total Amortized Cost | 344 | $ 337
Estimated Fair Value |  |
Due in one year or less | 29 |
Due after one year through three years | 305 |
Due after three years through five years | 0 |
Due after five years | 0 |
Marketable Securities, Debt Maturities, Fair Value, Total | 334 |
Equity securities | 2 |
Total Estimated Fair Value | $ 336 | $ 338

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