Loans and Accounts Receivable (Details 1) - USD ($) $ in Millions |
Dec. 31, 2017 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
---|---|---|---|---|
Accounts receivable segment information | ||||
Card Member receivables | $ 54,047 | $ 47,308 | ||
Less: Reserve for losses | 521 | 467 | $ 462 | $ 465 |
Card Member receivables, net | 53,526 | 46,841 | ||
Other receivables, net | 3,163 | 3,232 | ||
Accounts Receivable and Loans Textuals [Abstract] | ||||
Other receivables, reserves | 31 | 45 | ||
Variable Interest Enterprise [Member] | ||||
Accounts receivable segment information | ||||
Card Member receivables | 8,919 | 8,874 | ||
U S Consumer Services [Member] | ||||
Accounts receivable segment information | ||||
Card Member receivables | 13,143 | 12,302 | ||
International Consumer and Network Services [Member] | ||||
Accounts receivable segment information | ||||
Card Member receivables | 7,803 | 5,966 | ||
Global Commercial Services [Member] | ||||
Accounts receivable segment information | ||||
Card Member receivables | $ 33,101 | $ 29,040 |