v3.24.1.u1
Cash, Cash Equivalents, and Marketable Securities Restricted Cash (Details) - USD ($)
$ in Millions
Mar. 31, 2024
Dec. 31, 2023
Restricted Cash and Cash Equivalents Items [Line Items]    
Cash and cash equivalents $ 19,721 $ 24,862
Restricted cash 214 248
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Disposal Group, Including Discontinued Operations $ 51 0
Restricted Cash, Statement of Financial Position [Extensible Enumeration] Other assets  
Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Including Disposal Group and Discontinued Operations, Total $ 19,986 $ 25,110