v3.26.1
STOCK-BASED PLANS - Schedule of Stock-Based Compensation Expense (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense $ 301 $ 306 $ 585 $ 573
Capitalized as part of internal use software and website development costs 31 33 62 68
Income Statement Location [Axis]: us-gaap:GeneralAndAdministrativeExpense        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense 67 83 141 155
Income Statement Location [Axis]: us-gaap:SellingAndMarketingExpense        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense 32 34 67 67
Income Statement Location [Axis]: pypl:CustomerSupportAndOperationsExpense        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense 52 53 101 104
Income Statement Location [Axis]: pypl:RestructuringAndOther        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense 19 0 19 0
Income Statement Location [Axis]: pypl:TechnologyAndDevelopmentExpense        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Total stock-based compensation expense $ 131 $ 136 $ 257 $ 247