SEGMENT AND GEOGRAPHICAL INFORMATION - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Segment Reporting Information [Line Items]
Revenue	$ 3,960,645	$ 5,057,270
Gross Profit	1,294,960	963,501
Corporate and Other
Segment Reporting Information [Line Items]
Revenue	54,598	0
Gross Profit	10,080	0
Cash App and Square Segement | Operating Segments | Afterpay Limited
Segment Reporting Information [Line Items]
Revenue	64,900
Cash App | Operating Segments
Segment Reporting Information [Line Items]
Revenue	2,462,343	4,039,616
Gross Profit	623,659	495,485
Cash App | Operating Segments | Afterpay Limited
Segment Reporting Information [Line Items]
Gross Profit	46,100
Square | Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,443,704	1,017,654
Gross Profit	661,221	468,016
Square | Operating Segments | Afterpay Limited
Segment Reporting Information [Line Items]
Gross Profit	46,100
Transaction-based revenue
Segment Reporting Information [Line Items]
Revenue	1,232,969	959,733
Revenue	1,232,969	959,733
Transaction-based revenue | Corporate and Other
Segment Reporting Information [Line Items]
Revenue	0	0
Transaction-based revenue | Cash App | Operating Segments
Segment Reporting Information [Line Items]
Revenue	109,241	91,959
Transaction-based revenue | Square | Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,123,728	867,774
Subscription and services-based revenue
Segment Reporting Information [Line Items]
Revenue	724,745	525,065
Revenue	959,557	557,681
Subscription and services-based revenue | Corporate and Other
Segment Reporting Information [Line Items]
Revenue	54,598	0
Subscription and services-based revenue | Cash App | Operating Segments
Segment Reporting Information [Line Items]
Revenue	622,309	436,589
Subscription and services-based revenue | Square | Operating Segments
Segment Reporting Information [Line Items]
Revenue	282,650	121,092
Hardware revenue
Segment Reporting Information [Line Items]
Revenue	37,326	28,788
Revenue	37,326	28,788
Hardware revenue | Corporate and Other
Segment Reporting Information [Line Items]
Revenue	0	0
Hardware revenue | Cash App | Operating Segments
Segment Reporting Information [Line Items]
Revenue	0	0
Hardware revenue | Square | Operating Segments
Segment Reporting Information [Line Items]
Revenue	37,326	28,788
Bitcoin revenue
Segment Reporting Information [Line Items]
Revenue	1,730,793	3,511,068
Revenue	1,730,793	3,511,068
Bitcoin revenue | Corporate and Other
Segment Reporting Information [Line Items]
Revenue	0	0
Bitcoin revenue | Cash App | Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,730,793	3,511,068
Bitcoin revenue | Square | Operating Segments
Segment Reporting Information [Line Items]
Revenue	$ 0	$ 0