Segment Reporting and Information about Geographic Areas - Schedule of Long-Lived Assets by Geographic Area (Details) - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 43,362	$ 40,760
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	34,096	32,461
Germany
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	4,801	4,175
Other international
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived assets	$ 4,465	$ 4,124