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 | Mar. 31, 2024 | Dec. 31, 2023 |
Assets: | | |
Funds receivable and customer accounts | $ 38,353 | $ 38,935 |
Liabilities: | | |
Cash | 8,200 | 8,100 |
Restricted cash | 3 | 3 |
Time deposits, current and noncurrent | 140 | 173 |
Carrying value of non-marketable equity securities which do not have readily determinable fair value | 1,800 | 1,800 |
Cash, time deposits and funds receivable | | |
Assets: | | |
Funds receivable and customer accounts | 23,300 | 22,800 |
Fair value, measurements, recurring basis | | |
Assets: | | |
Cash and cash equivalents | 1,496 | 937 |
Funds receivable and customer accounts | 15,097 | 16,107 |
Derivatives | 290 | 141 |
Crypto asset safeguarding asset | 2,846 | 1,241 |
Total financial assets | 25,811 | 24,689 |
Liabilities: | | |
Derivatives | 42 | 131 |
Crypto asset safeguarding liability | 2,846 | 1,241 |
Total financial liabilities | 2,888 | 1,372 |
Fair value, measurements, recurring basis | U.S. government and agency securities | | |
Assets: | | |
Cash and cash equivalents | 1,296 | 428 |
Fair value, measurements, recurring basis | Commercial paper | | |
Assets: | | |
Cash and cash equivalents | 200 | 349 |
Fair value, measurements, recurring basis | Money Market Funds | | |
Assets: | | |
Cash and cash equivalents | | 160 |
Fair value, measurements, recurring basis | U.S. government and agency securities | | |
Assets: | | |
Funds receivable and customer accounts | 8,014 | 8,478 |
Fair value, measurements, recurring basis | Commercial paper | | |
Assets: | | |
Funds receivable and customer accounts | 3,192 | 2,849 |
Fair value, measurements, recurring basis | Foreign government and agency securities | | |
Assets: | | |
Funds receivable and customer accounts | 745 | 1,118 |
Fair value, measurements, recurring basis | Corporate debt securities | | |
Assets: | | |
Funds receivable and customer accounts | 576 | 1,601 |
Fair value, measurements, recurring basis | Asset-backed securities | | |
Assets: | | |
Funds receivable and customer accounts | 1,863 | 1,423 |
Fair value, measurements, recurring basis | Municipal securities | | |
Assets: | | |
Funds receivable and customer accounts | 707 | 638 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | | |
Assets: | | |
Cash and cash equivalents | 0 | 0 |
Funds receivable and customer accounts | 0 | 0 |
Derivatives | 0 | 0 |
Crypto asset safeguarding asset | 0 | 0 |
Total financial assets | 21 | 24 |
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: | | |
Cash and cash equivalents | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial paper | | |
Assets: | | |
Cash and cash equivalents | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Money Market Funds | | |
Assets: | | |
Cash and cash equivalents | | 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 | 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 | 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 | 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 | 0 | 0 |
Fair value, measurements, recurring basis | Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities | | |
Assets: | | |
Funds receivable and customer accounts | 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 | 0 | 0 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | | |
Assets: | | |
Cash and cash equivalents | 1,496 | 937 |
Funds receivable and customer accounts | 15,097 | 16,107 |
Derivatives | 290 | 141 |
Crypto asset safeguarding asset | 2,846 | 1,241 |
Total financial assets | 25,790 | 24,665 |
Liabilities: | | |
Derivatives | 42 | 131 |
Crypto asset safeguarding liability | 2,846 | 1,241 |
Total financial liabilities | 2,888 | 1,372 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | U.S. government and agency securities | | |
Assets: | | |
Cash and cash equivalents | 1,296 | 428 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Commercial paper | | |
Assets: | | |
Cash and cash equivalents | 200 | 349 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Money Market Funds | | |
Assets: | | |
Cash and cash equivalents | | 160 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | U.S. government and agency securities | | |
Assets: | | |
Funds receivable and customer accounts | 8,014 | 8,478 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Commercial paper | | |
Assets: | | |
Funds receivable and customer accounts | 3,192 | 2,849 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Foreign government and agency securities | | |
Assets: | | |
Funds receivable and customer accounts | 745 | 1,118 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Corporate debt securities | | |
Assets: | | |
Funds receivable and customer accounts | 576 | 1,601 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Asset-backed securities | | |
Assets: | | |
Funds receivable and customer accounts | 1,863 | 1,423 |
Fair value, measurements, recurring basis | Significant Other Observable Inputs (Level 2) | Municipal securities | | |
Assets: | | |
Funds receivable and customer accounts | 707 | 638 |
Fair value, measurements, recurring basis | Short-term investments | | |
Assets: | | |
Investments | 4,522 | 4,848 |
Fair value, measurements, recurring basis | Short-term investments | U.S. government and agency securities | | |
Assets: | | |
Investments | 560 | 623 |
Fair value, measurements, recurring basis | Short-term investments | Commercial paper | | |
Assets: | | |
Investments | 1,583 | 1,678 |
Fair value, measurements, recurring basis | Short-term investments | Foreign government and agency securities | | |
Assets: | | |
Investments | 192 | 347 |
Fair value, measurements, recurring basis | Short-term investments | Corporate debt securities | | |
Assets: | | |
Investments | 1,435 | 1,482 |
Fair value, measurements, recurring basis | Short-term investments | Asset-backed securities | | |
Assets: | | |
Investments | 752 | 718 |
Fair value, measurements, recurring basis | Short-term investments | Quoted Prices in Active Markets for Identical Assets (Level 1) | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Short-term investments | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government and agency securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Short-term investments | Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial paper | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Short-term investments | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign government and agency securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Short-term investments | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Short-term investments | Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Short-term investments | Significant Other Observable Inputs (Level 2) | | |
Assets: | | |
Investments | 4,522 | 4,848 |
Fair value, measurements, recurring basis | Short-term investments | Significant Other Observable Inputs (Level 2) | U.S. government and agency securities | | |
Assets: | | |
Investments | 560 | 623 |
Fair value, measurements, recurring basis | Short-term investments | Significant Other Observable Inputs (Level 2) | Commercial paper | | |
Assets: | | |
Investments | 1,583 | 1,678 |
Fair value, measurements, recurring basis | Short-term investments | Significant Other Observable Inputs (Level 2) | Foreign government and agency securities | | |
Assets: | | |
Investments | 192 | 347 |
Fair value, measurements, recurring basis | Short-term investments | Significant Other Observable Inputs (Level 2) | Corporate debt securities | | |
Assets: | | |
Investments | 1,435 | 1,482 |
Fair value, measurements, recurring basis | Short-term investments | Significant Other Observable Inputs (Level 2) | Asset-backed securities | | |
Assets: | | |
Investments | 752 | 718 |
Fair value, measurements, recurring basis | Long-term investments: | | |
Assets: | | |
Investments | 1,560 | 1,415 |
Fair value, measurements, recurring basis | Long-term investments: | U.S. government and agency securities | | |
Assets: | | |
Investments | 49 | 180 |
Fair value, measurements, recurring basis | Long-term investments: | Foreign government and agency securities | | |
Assets: | | |
Investments | 110 | 32 |
Fair value, measurements, recurring basis | Long-term investments: | Corporate debt securities | | |
Assets: | | |
Investments | 691 | 418 |
Fair value, measurements, recurring basis | Long-term investments: | Asset-backed securities | | |
Assets: | | |
Investments | 689 | 761 |
Fair value, measurements, recurring basis | Long-term investments: | Marketable equity securities | | |
Assets: | | |
Investments | 21 | 24 |
Fair value, measurements, recurring basis | Long-term investments: | Quoted Prices in Active Markets for Identical Assets (Level 1) | | |
Assets: | | |
Investments | 21 | 24 |
Fair value, measurements, recurring basis | Long-term investments: | Quoted Prices in Active Markets for Identical Assets (Level 1) | U.S. government and agency securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Long-term investments: | Quoted Prices in Active Markets for Identical Assets (Level 1) | Foreign government and agency securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Long-term investments: | Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate debt securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Long-term investments: | Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities | | |
Assets: | | |
Investments | 0 | 0 |
Fair value, measurements, recurring basis | Long-term investments: | Quoted Prices in Active Markets for Identical Assets (Level 1) | Marketable equity securities | | |
Assets: | | |
Investments | 21 | 24 |
Fair value, measurements, recurring basis | Long-term investments: | Significant Other Observable Inputs (Level 2) | | |
Assets: | | |
Investments | 1,539 | 1,391 |
Fair value, measurements, recurring basis | Long-term investments: | Significant Other Observable Inputs (Level 2) | U.S. government and agency securities | | |
Assets: | | |
Investments | 49 | 180 |
Fair value, measurements, recurring basis | Long-term investments: | Significant Other Observable Inputs (Level 2) | Foreign government and agency securities | | |
Assets: | | |
Investments | 110 | 32 |
Fair value, measurements, recurring basis | Long-term investments: | Significant Other Observable Inputs (Level 2) | Corporate debt securities | | |
Assets: | | |
Investments | 691 | 418 |
Fair value, measurements, recurring basis | Long-term investments: | Significant Other Observable Inputs (Level 2) | Asset-backed securities | | |
Assets: | | |
Investments | 689 | 761 |
Fair value, measurements, recurring basis | Long-term investments: | Significant Other Observable Inputs (Level 2) | Marketable equity securities | | |
Assets: | | |
Investments | $ 0 | $ 0 |