v3.5.0.2
Reportable Operating Segments and Geographic Operations (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Dec. 31, 2015
Segment Reporting Information [Line Items]          
Non-interest revenues $ 6,786 $ 6,861 $ 13,294 $ 13,364  
Interest income 1,885 1,837 3,890 3,694  
Interest expense 436 414 861 824  
Total revenues, net of interest expense 8,235 8,284 16,323 16,234  
Net income 2,015 1,473 3,441 2,998  
Total assets 159,642 157,000 159,642 157,000 $ 161,184
Total equity 20,712 22,000 20,712 22,000 $ 20,673
U S Consumer Services [Member]          
Segment Reporting Information [Line Items]          
Non-interest revenues 2,069 2,176 4,098 4,207  
Interest income 1,278 1,252 2,669 2,525  
Interest expense 139 121 279 235  
Total revenues, net of interest expense 3,208 3,307 6,488 6,497  
Net income 1,067 613 1,761 1,272  
Total assets 81,000 84,000 81,000 84,000  
Total equity 7,000 8,000 7,000 8,000  
International Consumer and Network Services [Member]          
Segment Reporting Information [Line Items]          
Non-interest revenues 1,242 1,163 2,382 2,308  
Interest income 234 237 461 482  
Interest expense 58 58 112 121  
Total revenues, net of interest expense 1,418 1,342 2,731 2,669  
Net income 228 193 416 390  
Total assets 35,000 29,000 35,000 29,000  
Total equity 3,000 3,000 3,000 3,000  
Global Commercial Services [Member]          
Segment Reporting Information [Line Items]          
Non-interest revenues 2,280 2,285 4,470 4,460  
Interest income 310 289 631 567  
Interest expense 104 91 199 180  
Total revenues, net of interest expense 2,486 2,483 4,902 4,847  
Net income 576 550 1,061 1,067  
Total assets 46,000 46,000 46,000 46,000  
Total equity 8,000 7,000 8,000 7,000  
Global Merchant Services [Member]          
Segment Reporting Information [Line Items]          
Non-interest revenues 1,087 1,130 2,128 2,200  
Interest income 1 1 1 1  
Interest expense (61) (49) (120) (108)  
Total revenues, net of interest expense 1,149 1,180 2,249 2,309  
Net income 373 369 730 738  
Total assets 24,000 17,000 24,000 17,000  
Total equity 2,000 2,000 2,000 2,000  
Corporate and Other [Member]          
Segment Reporting Information [Line Items]          
Non-interest revenues 108 107 216 189  
Interest income 62 58 128 119  
Interest expense 196 193 391 396  
Total revenues, net of interest expense (26) (28) (47) (88)  
Net income (229) (252) (527) (469)  
Total assets (26,000) (19,000) (26,000) (19,000)  
Total equity $ 1,000 $ 2,000 $ 1,000 $ 2,000