v3.26.3
Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Prepaid Expenses and Other Current Assets [Line Items]    
Prepaid maintenance, postage and insurance $ 374 $ 334
Other prepaid expenses 297 269
Total prepaid expenses 671 603
Income tax receivables 120 148
Other current assets 885 858
Total other current assets 2,359 2,793
Total prepaid expenses and other current assets 3,030 3,396
Clover Capital    
Prepaid Expenses and Other Current Assets [Line Items]    
Cash advances 350 564
Foreign Merchants    
Prepaid Expenses and Other Current Assets [Line Items]    
Cash advances $ 1,004 $ 1,223