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Segment reporting - Consolidated Net Revenues by Similar Products and Services (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 3,760	$ 2,690	$ 10,212	$ 7,535
Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	2,128	1,465	5,740	4,147
Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	1,632	1,225	4,472	3,388
Services | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	1,796	1,223	4,795	3,415
Services | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	951	672	2,634	1,878
Products Sales | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	332	242	945	732
Products Sales | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	9	11	34	37
Credit Revenues | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	672	542	1,804	1,473
Operating Segments | Brazil
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	2,006	1,431	5,365	4,134
Operating Segments | Brazil | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	1,211	780	3,167	2,221
Operating Segments | Brazil | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	795	651	2,198	1,913
Operating Segments | Brazil | Services | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	1,007	669	2,615	1,877
Operating Segments | Brazil | Services | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	487	357	1,375	1,059
Operating Segments | Brazil | Products Sales | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	204	111	552	344
Operating Segments | Brazil | Products Sales | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	4	7	15	21
Operating Segments | Brazil | Credit Revenues | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	304	287	808	833
Operating Segments | Argentina
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	825	675	2,317	1,787
Operating Segments | Argentina | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	310	290	885	800
Operating Segments | Argentina | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	515	385	1,432	987
Operating Segments | Argentina | Services | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	260	221	727	602
Operating Segments | Argentina | Services | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	344	245	927	636
Operating Segments | Argentina | Products Sales | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	50	69	158	198
Operating Segments | Argentina | Products Sales | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	0	1	3	4
Operating Segments | Argentina | Credit Revenues | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	171	139	502	347
Operating Segments | Mexico
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	772	465	2,066	1,257
Operating Segments | Mexico | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	499	311	1,372	863
Operating Segments | Mexico | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	273	154	694	394
Operating Segments | Mexico | Services | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	429	257	1,160	702
Operating Segments | Mexico | Services | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	75	38	198	97
Operating Segments | Mexico | Products Sales | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	70	54	212	161
Operating Segments | Mexico | Products Sales | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	3	1	7	6
Operating Segments | Mexico | Credit Revenues | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	195	115	489	291
Operating Segments | Other Countries
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	157	119	464	357
Operating Segments | Other Countries | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	108	84	316	263
Operating Segments | Other Countries | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	49	35	148	94
Operating Segments | Other Countries | Services | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	100	76	293	234
Operating Segments | Other Countries | Services | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	45	32	134	86
Operating Segments | Other Countries | Products Sales | Commerce
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	8	8	23	29
Operating Segments | Other Countries | Products Sales | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	2	2	9	6
Operating Segments | Other Countries | Credit Revenues | Fintech
Segment Reporting, Revenue Reconciling Item [Line Items]
Net revenues	$ 2	$ 1	$ 5	$ 2

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 5: http://www.xbrl.org/2003/role/disclosureRef
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Reference 6: http://www.xbrl.org/2003/role/disclosureRef
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Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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Reference 8: http://www.xbrl.org/2003/role/disclosureRef
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Reference 9: http://www.xbrl.org/2003/role/disclosureRef
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Reference 10: http://www.xbrl.org/2003/role/disclosureRef
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Reference 11: http://www.xbrl.org/2003/role/disclosureRef
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