COMMITMENTS AND CONTINGENCIES - Additional Information (Details) $ in Millions	Nov. 02, 2022 action	Oct. 04, 2022 action	Sep. 30, 2022 USD ($)	Aug. 02, 2022 action	Jan. 19, 2022 action	Dec. 31, 2021 USD ($)	Dec. 16, 2021 action	Aug. 20, 2021 action
Other Commitments [Line Items]
Unused credit available to accountholders \| $			$ 4,100			$ 4,100
Allowance for transaction losses \| $			71			121
Allowance for negative customer balances \| $			$ 217			$ 234
Pending Litigation \| Unfavorable Regulatory Action \| Pang v. Daniel Schulman, et al.
Other Commitments [Line Items]
Number of related putative shareholder derivative actions							1
Pending Litigation \| Unfavorable Regulatory Action \| Lalor v. Daniel Schulman, et al.
Other Commitments [Line Items]
Number of related putative shareholder derivative actions					1
Pending Litigation \| Unfavorable Regulatory Action \| Kang v. PayPal Holdings, Inc., et al.
Other Commitments [Line Items]
Number of related putative shareholder derivative actions								1
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 \| Defined Benefit Plan of the Mid-Jersey Trucking Industry and Teamsters Local 701 Pension and Annuity Fund v. PayPal Holdings, Inc., et al. \| Subsequent Event
Other Commitments [Line Items]
Number of related putative shareholder derivative actions		1
Pending Litigation \| Unfavorable Regulatory Action \| Shah v. Daniel Schulman, et al. \| Subsequent Event
Other Commitments [Line Items]
Number of related putative shareholder derivative actions	1