Segment Reporting and Information about Geographic Areas - Schedule of Long-Lived Assets by Geographic Area (Detail) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived Assets	$ 24,649	$ 18,726
United States [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived Assets	19,026	15,989
Germany[Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived Assets	2,606	894
China [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived Assets	2,415	1,479
Other international [Member]
Revenues from External Customers and Long-Lived Assets [Line Items]
Long-lived Assets	$ 602	$ 364