Quarterly report pursuant to Section 13 or 15(d)

CASH AND INVESTMENTS - Summary of Marketable Securities (Detail)

v3.21.2
CASH AND INVESTMENTS - Summary of Marketable Securities (Detail) - USD ($)
$ in Millions
Sep. 30, 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
Debt Securities, Available-for-sale, Amortized Cost 343 396
Debt Securities, Available-for-sale, Current 346 404
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 3 8
Total Amortized Cost 345 398
Marketable Securities, Gross Unrealized Gain 3 8
Marketable Securities, Gross Unrealized Loss 0 0
Total Estimated Fair Value 348 406
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
U.S. government and agency debt securities    
Schedule of Marketable Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 222 181
Debt Securities, Available-for-sale, Current 223 184
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 1 3
Mortgage and asset-backed debt securities    
Schedule of Marketable Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 0 30
Debt Securities, Available-for-sale, Current 0 31
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 0 1
Corporate debt securities    
Schedule of Marketable Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 113 174
Debt Securities, Available-for-sale, Current 115 178
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 2 4
U.S. state and local municipal debt securities    
Schedule of Marketable Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 5 0
Debt Securities, Available-for-sale, Current 5 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax 0 0
Non-U.S. government debt securities    
Schedule of Marketable Securities [Line Items]    
Debt Securities, Available-for-sale, Amortized Cost 3 11
Debt Securities, Available-for-sale, Current 3 11
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax 0 0
Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax $ 0 $ 0