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INVESTMENTS AND RESTRICTED CASH - Summary of Marketable Securities (Detail) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Trading, Amortized Cost | $ 2 | $ 2
Trading Securities, Gross Unrealized Gain | 0 | 0
Trading Securities, Gross Unrealized Loss | 0 | 0
Debt Securities, Trading, and Equity Securities, FV-NI | 2 | 2
Debt Securities, Available-for-sale, Amortized Cost | 335 | 396
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 2 | 8
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 1 | 0
Debt Securities, Available-for-sale, Current | 336 | 404
Marketable Securities, Amortized Cost, Total | 337 | 398
Marketable Securities, Gross Unrealized Gain | 2 | 8
Marketable Securities, Gross Unrealized Loss | (1) | 0
Marketable securities | 338 | 406
U.S. government and agency debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 199 | 181
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 2 | 3
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 1 | 0
Debt Securities, Available-for-sale, Current | 200 | 184
Mortgage and asset-backed debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 7 | 30
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 | 1
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Debt Securities, Available-for-sale, Current | 7 | 31
Corporate debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Trading, Amortized Cost | 0 | 0
Trading Securities, Gross Unrealized Gain | 0 | 0
Trading Securities, Gross Unrealized Loss | 0 | 0
Debt Securities, Trading, and Equity Securities, FV-NI | 0 | 0
Debt Securities, Available-for-sale, Amortized Cost | 121 | 174
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 | 4
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Debt Securities, Available-for-sale, Current | 121 | 178
U.S. state and local municipal debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 5 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 |
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 |
Debt Securities, Available-for-sale, Current | 5 |
Equity securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Trading, Amortized Cost | 2 | 2
Trading Securities, Gross Unrealized Gain | 0 | 0
Trading Securities, Gross Unrealized Loss | 0 | 0
Debt Securities, Trading, and Equity Securities, FV-NI | 2 | 2
Non-U.S. government debt securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Debt Securities, Available-for-sale, Amortized Cost | 3 | 11
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax | 0 | 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax | 0 | 0
Debt Securities, Available-for-sale, Current | $ 3 | $ 11

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