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Summary Of Significant Accounting Policies (Narrative) (Details) $ / shares in Units, $ in Millions |  |  | 3 Months Ended | 9 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | ---
Jun. 25, 2020 | Jun. 10, 2019 | Sep. 30, 2022 USD ($) $ / shares | Sep. 30, 2021 USD ($) | Sep. 30, 2022 USD ($) $ / shares | Sep. 30, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jan. 01, 2022 USD ($)
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Provision for doubtful accounts |  |  | $ 288 | $ 105 | $ 845 | $ 271 |  |  |
Long-lived assets, intangible assets and goodwill located in the foreign operations |  |  | 1,697 |  | 1,697 |  | $ 1,439 |  |
Allowance for doubtful accounts, loan receivables and chargebacks |  |  | 1,082 |  | 1,082 |  | 474 |  |
Deferred revenue |  |  | 28 |  | 28 |  | 34 |  |
Deferred revenue, revenue recognized |  |  |  |  | 28 |  |  |  |
Recognized gains in interest income and other financial gains |  |  |  |  | (2) | 9 |  |  |
Aggregate gain included in net revenues arising from financing transactions, net of the costs recognized on sale of credit card receivables, |  |  | 261 | 137 | 751 | 418 |  |  |
Income tax expense (benefit) |  |  | 69 | 31 | 154 | 145 |  |  |
Allowance for doubtful accounts, loan receivables and chargebacks |  |  | 1,008 |  | 1,008 |  | 435 |  |
Social security benefit |  |  |  | 15 |  | 36 |  |  |
Gain recognized related to export duties accrued |  |  |  | 24 |  | $ 24 |  |  |
Customer Crypto-Assets Safeguarding Assets |  |  | 15 |  | 15 |  | 0 |  | $ 4
Customer Crypto-Assets Safeguarding Liabilities |  |  | 15 |  | 15 |  | 0 |  | $ 4
Bitcoins [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Customer Crypto-Assets Safeguarding Assets |  |  | 6 |  | 6 |  |  |  |
Ether [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Customer Crypto-Assets Safeguarding Assets |  |  | 5 |  | 5 |  |  |  |
Other Crypto-Assets [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Customer Crypto-Assets Safeguarding Assets |  |  | $ 4 |  | $ 4 |  |  |  |
2028 Convertible Senior Notes [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Effective tax rate |  |  |  |  | 32.60% | 52.90% |  |  |
Argentina [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Foreign exchange rate |  |  | 147.32 |  | 147.32 |  |  |  |
Argentina [Member] | Maximum [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Non-transferable tax credit bond percent | 80.00% |  |  |  |  |  |  |  |
Argentina [Member] | Minimum [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Benchmark percent of derived revenue, enacted law |  | 70.00% |  |  |  |  |  |  |
Non-transferable tax credit bond percent | 70.00% |  |  |  |  |  |  |  |
Secretariat Of Knowledge Economy Resolution Issued [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Income tax expense (benefit) |  |  | $ (15) | (12) | $ (19) | $ (12) |  | $ (8) |
Software development law audit fees |  |  | $ 1 |  | $ 3 |  |  |  |
Aggregate per share effect of the Argentine tax holiday | $ / shares |  |  | $ 0.30 |  | $ 0.38 |  |  |  |
Social security benefit |  |  | $ 13 |  | $ 39 |  |  |  |
Increase Carrying Value Of 2028 Notes [Member] | Accounting Standards Update 2020-06 [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Change in accounting principle, accounting standards update, expected change |  |  |  |  |  |  | 123 |  |
Decrease Deferred Tax Liability Of 2028 Notes [Member] | Accounting Standards Update 2020-06 [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Change in accounting principle, accounting standards update, expected change |  |  |  |  |  |  | 26 |  |
Change In APIC [Member] | Accounting Standards Update 2020-06 [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Change in accounting principle, accounting standards update, expected change |  |  |  |  |  |  | 131 |  |
Change In Retained Earnings [Member] | Accounting Standards Update 2020-06 [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Change in accounting principle, accounting standards update, expected change |  |  |  |  |  |  | $ 34 |  |
Large [Member] | Argentina [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
New criteria benchmark percent, income tax burden | 20.00% |  |  |  |  |  |  |  |
Medium-Sized [Member] | Argentina [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
New criteria benchmark percent, income tax burden | 40.00% |  |  |  |  |  |  |  |
Micro And Small [Member] | Argentina [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
New criteria benchmark percent, income tax burden | 60.00% |  |  |  |  |  |  |  |
Mexico Segment [Member] |  |  |  |  |  |  |  |  |
Significant Accounting Policies [Line Items] |  |  |  |  |  |  |  |  |
Valuation allowance in certain subsidiaries |  |  | $ 3 | $ 11 | 20 | 44 |  |  |
Effective tax rate |  |  | 34.70% | 24.50% |  |  |  |  |
Increase in deferred tax valuation allowance |  |  | $ 3 | $ 11 | $ 20 | $ 44 |  |  |

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