Quarterly report pursuant to Section 13 or 15(d)

CASH AND INVESTMENTS - Summary of Marketable Securities (Detail)

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CASH AND INVESTMENTS - Summary of Marketable Securities (Detail) - USD ($)
$ in Millions
Mar. 31, 2021
Dec. 31, 2020
Schedule of Marketable Securities [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
Available-for-sale Securities, Amortized Cost Basis 345 396
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 4 8
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax 0 0
Available-for-sale Securities, Current 349 404
Total Amortized Cost 347 398
Marketable Securities, Gross Unrealized Gain 4 8
Marketable Securities, Gross Unrealized Loss 0 0
Total Estimated Fair Value 351 406
Corporate debt securities    
Schedule of Marketable Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis 144 174
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 3 4
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax 0 0
Available-for-sale Securities, Current 147 178
U.S. government and agency debt securities    
Schedule of Marketable Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis 187 181
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 1 3
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax 0 0
Available-for-sale Securities, Current 188 184
Mortgage and asset-backed debt securities    
Schedule of Marketable Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis 3 30
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 0 1
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax 0 0
Available-for-sale Securities, Current 3 31
Equity securities    
Schedule of Marketable Securities [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    
Schedule of Marketable Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis 11 11
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 0 0
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax 0 0
Available-for-sale Securities, Current $ 11 $ 11