Derivatives and hedging (Tables)

12 Months Ended

Dec. 31, 2021

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of notional amounts

The notional amounts of outstanding foreign currency contracts in U.S. dollars are as follows:

	December 31,
	2020		2021
Derivatives designated as hedging instruments	$	82	$	1,817
Derivatives not designated as hedging instruments	1,978		76
Total	$	2,060	$	1,893

Summary of derivative and hedging gains (losses)

These gains (losses) were recorded in the consolidated statements of comprehensive income (loss), as follows:

	December 31,
	2019		2020		2021
Cost of revenue	$	36	$	81	$	(10)
Research and development	143		233		(38)
Sales and marketing	105		182		(18)
General and administrative	49		82		(10)
Total	$	333	$	578	$	(76)