Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Total	$ 1,520	$ 1,105
Less: Accumulated depreciation and amortization	(808)	(468)
Property and equipment, net	712	637
Depreciation expense	126	113	$ 80
Capitalized software and website development costs	362	303	202
Amortization of capitalized software and website development costs	256	157	$ 63
Equipment for merchants
Property, Plant and Equipment [Line Items]
Total	167	156
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total	77	68
Capitalized software and website development costs
Property, Plant and Equipment [Line Items]
Total	953	591
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total	217	164
Office equipment
Property, Plant and Equipment [Line Items]
Total	66	52
Construction in progress
Property, Plant and Equipment [Line Items]
Total	$ 40	$ 74