Quarterly report pursuant to Section 13 or 15(d)

CASH AND INVESTMENTS - Cash Details (Details)

v3.20.1
CASH AND INVESTMENTS - Cash Details (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Dec. 31, 2018
Investments, Debt and Equity Securities [Abstract]        
Cash and cash equivalents $ 8,955 $ 5,238 $ 4,399  
Restricted cash 1 0 143  
Total cash, cash equivalents and restricted cash $ 8,956 $ 5,238 $ 4,542 $ 4,367