v3.21.2
Supplemental Financial Statement Information - Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Millions
Jun. 30, 2021
Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Other receivables $ 533 $ 464
Other 722 751
Prepaid expenses and other current assets $ 1,255 $ 1,215