Annual report pursuant to Section 13 and 15(d)

INVESTMENTS AND RESTRICTED CASH - Summary of Marketable Securities (Detail)

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INVESTMENTS AND RESTRICTED CASH - Summary of Marketable Securities (Detail) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
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