COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Millions	Jan. 19, 2022 action	Dec. 16, 2021 action	Aug. 20, 2021 action	Jun. 30, 2023 USD ($)	Apr. 04, 2023 action	Jan. 11, 2023 action	Dec. 31, 2022 USD ($)	Dec. 20, 2022 action	Nov. 02, 2022 action	Aug. 02, 2022 action
Other Commitments [Line Items]
Unused credit available to accountholders \| $				$ 5,600			$ 4,900
Allowance for transaction losses \| $				58			66
Allowance for negative customer balances \| $				$ 288			$ 212
Pending Litigation \| Unfavorable Regulatory Action \| Jefferson v. Daniel Schulman, et al.
Other Commitments [Line Items]
Number of related putative shareholder derivative actions										1
Pending Litigation \| Unfavorable Regulatory Action \| In re PayPal Holdings, Inc. Securities Litigation
Other Commitments [Line Items]
Number of related putative shareholder derivative actions						1
Pending Litigation \| Unfavorable Regulatory Action \| Shah v. Daniel Schulman, et al.
Other Commitments [Line Items]
Number of related putative shareholder derivative actions									1
Pending Litigation \| Unfavorable Regulatory Action \| Nelson v. Daniel Schulman, et al.
Other Commitments [Line Items]
Number of related putative shareholder derivative actions					1
Pending Litigation \| Unfavorable Regulatory Action \| State of Hawai‘i, v. PayPal, Inc.
Other Commitments [Line Items]
Number of related putative shareholder derivative actions								1
Settled Litigation \| Unfavorable Regulatory Action \| Pang v. Daniel Schulman, et al.
Other Commitments [Line Items]
Number of claims settled and dismissed		1
Settled Litigation \| Unfavorable Regulatory Action \| Lalor v. Daniel Schulman, et al.
Other Commitments [Line Items]
Number of claims settled and dismissed	1
Settled Litigation \| Unfavorable Regulatory Action \| Kang v. PayPal Holdings, Inc., et al.
Other Commitments [Line Items]
Number of claims settled and dismissed			1