Segment Reporting and Information about Geographic Areas - Schedule of Revenues by Geographic Area (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 97,690	$ 96,773	$ 81,462
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	47,725	45,235	40,553
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	20,944	21,745	18,145
Other international
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 29,021	$ 29,793	$ 22,764