SEGMENT AND GEOGRAPHICAL INFORMATION - Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Revenue	$ 5,771,796	$ 5,957,128
Cost of Revenue	3,482,193	3,862,655
Gross profit	2,289,603	2,094,473
Interest income	57,175	48,890
Amortization	14,674	18,027
Corporate and Other
Segment Reporting Information [Line Items]
Revenue	40,621	54,187
Cost of Revenue	28,868	38,513
Gross profit	11,753	15,674
Interest income	0	0
Amortization	0	1,765
Cash App \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	3,879,014	4,172,904
Cost of Revenue	2,499,063	2,914,377
Gross profit	1,379,951	1,258,527
Interest income	49,238	40,772
Amortization	13,166	13,725
Square \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,852,161	1,730,037
Cost of Revenue	954,262	909,765
Gross profit	897,899	820,272
Interest income	7,937	8,118
Amortization	1,508	2,537
Transaction-based revenue
Segment Reporting Information [Line Items]
Revenue	1,550,731	1,511,209
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	66,238	109,220
Transaction-based revenue \| Square \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,484,493	1,401,989
Subscription and services-based revenue
Segment Reporting Information [Line Items]
Revenue	1,890,973	1,682,294
Subscription and services-based revenue \| Corporate and Other
Segment Reporting Information [Line Items]
Revenue	40,449	53,516
Subscription and services-based revenue \| Cash App \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	1,511,374	1,332,560
Subscription and services-based revenue \| Square \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	339,150	296,218
Hardware revenue
Segment Reporting Information [Line Items]
Revenue	28,690	32,501
Hardware revenue \| Corporate and Other
Segment Reporting Information [Line Items]
Revenue	172	671
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	28,518	31,830
Bitcoin revenue
Segment Reporting Information [Line Items]
Revenue	2,301,402	2,731,124
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	2,301,402	2,731,124
Bitcoin revenue \| Square \| Operating Segments
Segment Reporting Information [Line Items]
Revenue	$ 0	$ 0

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