Segment Reporting and Information about Geographic Areas - Schedule of Revenues by Geographic Area (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 25,182	$ 23,350	$ 71,983	$ 71,606
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	12,584	10,893	35,602	33,472
China
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	5,665	5,020	14,893	15,642
Other international
Revenues from External Customers and Long-Lived Assets [Line Items]
Revenues	$ 6,933	$ 7,437	$ 21,488	$ 22,492