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
Jun. 30, 2020
Dec. 31, 2019
Schedule of Marketable Securities [Line Items]    
Debt Securities, Trading, Amortized Cost $ 2 $ 114
Trading Securities, Gross Unrealized Gain 0 0
Trading Securities, Gross Unrealized Loss 0 0
Debt Securities, Trading, and Equity Securities, FV-NI 2 114
Available-for-sale Securities, Amortized Cost Basis 390 383
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 12 6
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax (1) 0
Available-for-sale Securities, Current 401 389
Total Amortized Cost 392 497
Marketable Securities, Gross Unrealized Gain 12 6
Marketable Securities, Gross Unrealized Loss (1) 0
Total Estimated Fair Value 403 503
Corporate debt securities    
Schedule of Marketable Securities [Line Items]    
Debt Securities, Trading, Amortized Cost   112
Trading Securities, Gross Unrealized Gain   0
Trading Securities, Gross Unrealized Loss   0
Debt Securities, Trading, and Equity Securities, FV-NI   112
Available-for-sale Securities, Amortized Cost Basis 151 130
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 4 3
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax 0 0
Available-for-sale Securities, Current 155 133
U.S. government and agency debt securities    
Schedule of Marketable Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis 190 191
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 6 2
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax 0 0
Available-for-sale Securities, Current 196 193
Mortgage and asset-backed debt securities    
Schedule of Marketable Securities [Line Items]    
Available-for-sale Securities, Amortized Cost Basis 38 46
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 2 1
Available-for-sale Equity Securities, Accumulated Gross Unrealized Loss, before Tax (1) 0
Available-for-sale Securities, Current 39 47
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 16
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 $ 16