v3.26.1
Basis of Presentation and Summary of Significant Accounting Policies - Narrative (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Oct. 01, 2025
USD ($)
Jun. 30, 2026
USD ($)
noncontrolling_interest
Sep. 30, 2025
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2026
USD ($)
noncontrolling_interest
Jun. 30, 2025
USD ($)
Dec. 31, 2025
USD ($)
reporting_unit
Business Combination [Line Items]              
Allowance for doubtful accounts   $ 86,000,000     $ 86,000,000   $ 84,000,000
Proceeds from repayments and sales of merchant cash advances, originally classified as held for sale         152,000,000    
Proceeds from sale of property, plant, and equipment         201,000,000    
Gain (loss) on disposition of property plant equipment         83,000,000    
Goodwill, impairment loss $ 0           $ 0
Reporting unit, percentage of fair value in excess of carrying amount             15.00%
Number of reporting units | reporting_unit             8
Reporting unit, fair value in excess of carrying amount, allocated amount of goodwill             $ 18,500,000,000
Goodwill, accumulated impairment loss   0     0    
Foreign currency translation gain (loss)   $ (30,000,000)   $ (46,000,000) $ (9,000,000) $ (64,000,000)  
Change in estimated redemption value of redeemable noncontrolling interest (see Note 11)     $ 89,000,000        
Minimum              
Business Combination [Line Items]              
Merchant cash advances, collection period         6 months    
Maximum              
Business Combination [Line Items]              
Merchant cash advances, collection period         12 months    
First Data Joint Venture              
Business Combination [Line Items]              
Ownership percentage by noncontrolling owner   1.00%     1.00%    
First Data              
Business Combination [Line Items]              
Number of redeemable noncontrolling interests | noncontrolling_interest   1     1    
Merchants Utilizing Clover Capital Cash Advance Program              
Business Combination [Line Items]              
Cash advances   $ 454,000,000     $ 454,000,000   598,000,000
Allowance for credit loss, current   29,000,000     29,000,000   34,000,000
Foreign Merchants              
Business Combination [Line Items]              
Cash advances   1,007,000,000     $ 1,007,000,000   1,223,000,000
Settlement anticipation cash advances, collection period         30 days    
Merchant credit losses              
Business Combination [Line Items]              
Collateral held   518,000,000     $ 518,000,000   588,000,000
Aggregate merchant credit loss expense   32,000,000   $ 33,000,000 66,000,000 $ 61,000,000  
Loss contingency accrual   $ 50,000,000     $ 50,000,000   $ 46,000,000