v3.20.1
Supplemental Financial Statement Information - Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Millions
Mar. 31, 2020
Dec. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Prepaid expenses $ 491 $ 571
Other receivables 486 428
Other 265 300
Prepaid expenses and other current assets $ 1,242 $ 1,299