FAIR VALUE MEASUREMENT OF ASSETS AND LIABILITIES - Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Millions | Sep. 30, 2024 | Dec. 31, 2023 |
Assets: | | |
Crypto asset safeguarding asset | $ 2,167 | $ 1,241 |
Liabilities: | | |
Crypto asset safeguarding liability | 2,167 | 1,241 |
Cash | 7,200 | 8,100 |
Restricted cash | 1 | 3 |
Time deposits, current and noncurrent | 201 | 173 |
Carrying value of non-marketable equity securities which do not have readily determinable fair value | 1,700 | 1,800 |
Cash, time deposits and funds receivable | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 24,400 | 22,800 |
Fair value, measurements, recurring basis | | |
Assets: | | |
Cash and cash equivalents | | 937 |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 14,825 | 16,107 |
Derivatives | 214 | 141 |
Crypto asset safeguarding asset | 2,167 | 1,241 |
Total financial assets | 24,313 | 24,689 |
Liabilities: | | |
Derivatives | 161 | 131 |
Crypto asset safeguarding liability | 2,167 | 1,241 |
Total financial liabilities | 2,328 | 1,372 |
Fair value, measurements, recurring basis | U.S. government and agency securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 6,382 | 8,478 |
Fair value, measurements, recurring basis | Foreign government and agency securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 398 | 1,118 |
Fair value, measurements, recurring basis | Corporate debt securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 530 | 1,601 |
Fair value, measurements, recurring basis | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 3,399 | 1,423 |
Fair value, measurements, recurring basis | Municipal securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 647 | 638 |
Fair value, measurements, recurring basis | Commercial paper | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 3,469 | 2,849 |
Fair value, measurements, recurring basis | Short-term investments | | |
Assets: | | |
Investments | 4,360 | 4,848 |
Fair value, measurements, recurring basis | Short-term investments | U.S. government and agency securities | | |
Assets: | | |
Investments | 333 | 623 |
Fair value, measurements, recurring basis | Short-term investments | Foreign government and agency securities | | |
Assets: | | |
Investments | 24 | 347 |
Fair value, measurements, recurring basis | Short-term investments | Corporate debt securities | | |
Assets: | | |
Investments | 1,194 | 1,482 |
Fair value, measurements, recurring basis | Short-term investments | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Investments | 771 | 718 |
Fair value, measurements, recurring basis | Short-term investments | Commercial paper | | |
Assets: | | |
Investments | 2,038 | 1,678 |
Fair value, measurements, recurring basis | Long-term investments: | | |
Assets: | | |
Investments | 2,677 | 1,415 |
Fair value, measurements, recurring basis | Long-term investments: | U.S. government and agency securities | | |
Assets: | | |
Investments | 235 | 180 |
Fair value, measurements, recurring basis | Long-term investments: | Foreign government and agency securities | | |
Assets: | | |
Investments | 184 | 32 |
Fair value, measurements, recurring basis | Long-term investments: | Corporate debt securities | | |
Assets: | | |
Investments | 1,568 | 418 |
Fair value, measurements, recurring basis | Long-term investments: | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Investments | 673 | 761 |
Fair value, measurements, recurring basis | Long-term investments: | Marketable equity securities | | |
Assets: | | |
Investments | 17 | 24 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | | |
Assets: | | |
Cash and cash equivalents | | 160 |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 0 | 0 |
Derivatives | 0 | 0 |
Crypto asset safeguarding asset | 0 | 0 |
Total financial assets | 17 | 184 |
Liabilities: | | |
Derivatives | 0 | 0 |
Crypto asset safeguarding liability | 0 | 0 |
Total financial liabilities | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government and agency securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign government and agency securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Municipal securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial paper | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | U.S. government and agency securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | Foreign government and agency securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | Corporate debt securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Short-term investments | Commercial paper | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Long-term investments: | | |
Assets: | | |
Investments | 17 | 24 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Long-term investments: | U.S. government and agency securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Long-term investments: | Foreign government and agency securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Long-term investments: | Corporate debt securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Long-term investments: | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Long-term investments: | Marketable equity securities | | |
Assets: | | |
Investments | 17 | 24 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | | |
Assets: | | |
Cash and cash equivalents | | 777 |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 14,825 | 16,107 |
Derivatives | 214 | 141 |
Crypto asset safeguarding asset | 2,167 | 1,241 |
Total financial assets | 24,296 | 24,505 |
Liabilities: | | |
Derivatives | 161 | 131 |
Crypto asset safeguarding liability | 2,167 | 1,241 |
Total financial liabilities | 2,328 | 1,372 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | U.S. government and agency securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 6,382 | 8,478 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Foreign government and agency securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 398 | 1,118 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Corporate debt securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 530 | 1,601 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 3,399 | 1,423 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Municipal securities | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 647 | 638 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Commercial paper | | |
Assets: | | |
Funds Receivable And Customer Accounts, Fair Value Disclosure | 3,469 | 2,849 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Short-term investments | | |
Assets: | | |
Investments | 4,360 | 4,848 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Short-term investments | U.S. government and agency securities | | |
Assets: | | |
Investments | 333 | 623 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Short-term investments | Foreign government and agency securities | | |
Assets: | | |
Investments | 24 | 347 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Short-term investments | Corporate debt securities | | |
Assets: | | |
Investments | 1,194 | 1,482 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Short-term investments | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Investments | 771 | 718 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Short-term investments | Commercial paper | | |
Assets: | | |
Investments | 2,038 | 1,678 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Long-term investments: | | |
Assets: | | |
Investments | 2,660 | 1,391 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Long-term investments: | U.S. government and agency securities | | |
Assets: | | |
Investments | 235 | 180 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Long-term investments: | Foreign government and agency securities | | |
Assets: | | |
Investments | 184 | 32 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Long-term investments: | Corporate debt securities | | |
Assets: | | |
Investments | 1,568 | 418 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Long-term investments: | Mortgage-backed and asset-backed securities | | |
Assets: | | |
Investments | 673 | 761 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Long-term investments: | Marketable equity securities | | |
Assets: | | |
Investments | 0 | 0 |
U.S. government and agency securities | Fair value, measurements, recurring basis | | |
Assets: | | |
Cash and cash equivalents | | 428 |
U.S. government and agency securities | Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | | |
Assets: | | |
Cash and cash equivalents | | 0 |
U.S. government and agency securities | Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | | |
Assets: | | |
Cash and cash equivalents | | 428 |
Commercial paper | Fair value, measurements, recurring basis | | |
Assets: | | |
Cash and cash equivalents | 70 | 349 |
Commercial paper | Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | | |
Assets: | | |
Cash and cash equivalents | 0 | 0 |
Commercial paper | Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | | |
Assets: | | |
Cash and cash equivalents | $ 70 | 349 |
Money market fund | Fair value, measurements, recurring basis | | |
Assets: | | |
Cash and cash equivalents | | 160 |
Money market fund | Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | | |
Assets: | | |
Cash and cash equivalents | | 160 |
Money market fund | Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | | |
Assets: | | |
Cash and cash equivalents | | $ 0 |