v3.20.2
OTHER CURRENT ASSETS - MARKETABLE SECURITIES AND OTHER SHORT-TERM INVESTMENTS (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Dec. 31, 2019
Net Investment Income [Line Items]          
Marketable securities and other short-term investments $ 321   $ 321   $ 393
Marketable securities at fair value 320   320   387
Unrealized gains 21 $ 154 12 $ 159  
Foreign government securities          
Net Investment Income [Line Items]          
Marketable securities and other short-term investments 190   190   212
Corporate debt securities          
Net Investment Income [Line Items]          
Marketable securities and other short-term investments 130   130   161
Equity securities          
Net Investment Income [Line Items]          
Marketable securities and other short-term investments 0   0   14
Other          
Net Investment Income [Line Items]          
Marketable securities and other short-term investments $ 1   $ 1   $ 6