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INVESTMENTS AND RESTRUCTURED CASH - Amortized Cost and Estimated Fair Value of Marketable Securities by Contractual Maturity (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Cost |  |
Marketable Securities, Debt Maturities, Next Twelve Months, Amortized Cost Basis | $ 31 |
Due after one year through three years | 304 |
Due after three years through five years | 0 |
Marketable Securities, Debt Maturities, After Five Years, Amortized Cost Basis | 0 |
Marketable Securities, Debt Maturities, Amortized Cost, Total | 335 |
Equity securities | 2 |
Marketable Securities, Amortized Cost, Total | 337 | $ 398
Estimated Fair Value |  |
Due in one year or less | 31 |
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 | 336 |
Equity securities | 2 |
Marketable securities | 338 | 406
Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 361 | 429
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 223 | 207
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 138 | 222
Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Marketable securities | Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 338 | 406
Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 200 | 184
Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 138 | 222
Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Other Long-term Investments | Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 23 | 23
Other Long-term Investments | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 23 | 23
Other Long-term Investments | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Other Long-term Investments | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
U.S. government and agency debt securities | Marketable securities | Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 200 | 184
U.S. government and agency debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 200 | 184
U.S. government and agency debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
U.S. government and agency debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Mortgage and asset-backed debt securities | Marketable securities | Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 7 | 31
Mortgage and asset-backed debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Mortgage and asset-backed debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 7 | 31
Mortgage and asset-backed debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Corporate debt securities | Marketable securities | Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 121 | 178
Corporate debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Corporate debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 121 | 178
Corporate debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
U.S. state and local municipal debt securities | Marketable securities | Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 5 |
U.S. state and local municipal debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure |  |
U.S. state and local municipal debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 5 |
U.S. state and local municipal debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 |
Equity securities | Marketable securities | Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 2 | 2
Equity securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Equity securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 2 | 2
Equity securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Non-U.S. government debt securities | Marketable securities | Fair Value, Measurements, Recurring |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 3 | 11
Non-U.S. government debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 1 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 0 | 0
Non-U.S. government debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 2 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | 3 | 11
Non-U.S. government debt securities | Marketable securities | Fair Value, Measurements, Recurring | Fair Value, Inputs, Level 3 |  |
Estimated Fair Value |  |
Investments, Fair Value Disclosure | $ 0 | $ 0

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