Information about Segments and Geographic Areas - Revenue by Segment (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Revenues	$ 69,092	$ 65,118	$ 206,788	$ 182,312
Hedging gains (losses)	638	62	1,291	(54)
Google Services
Segment Reporting Information [Line Items]
Revenues	61,377	59,884	185,690	168,129
Google Cloud
Segment Reporting Information [Line Items]
Revenues	6,868	4,990	18,965	13,665
Other Bets
Segment Reporting Information [Line Items]
Revenues	$ 209	$ 182	$ 842	$ 572