Card Member Receivables and Loans (Details 2) - USD ($) $ in Millions | Mar. 31, 2016 | Dec. 31, 2015 |
U.S. Consumer Services [Member] | Card Member Receivables [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Current | $ 3,516 | $ 3,371 |
Total aging | 3,541 | 3,393 |
U.S. Consumer Services [Member] | Card Member Receivables [Member] | 30 to 59 Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 10 | 9 |
U.S. Consumer Services [Member] | Card Member Receivables [Member] | 60 To 89 Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 6 | 4 |
U.S. Consumer Services [Member] | Card Member Receivables [Member] | 90+ Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 9 | 9 |
International Consumer and Network Services [Member] | Card Member Receivables [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Current | 1,384 | 1,462 |
Total aging | 1,406 | 1,484 |
International Consumer and Network Services [Member] | Card Member Receivables [Member] | 30 to 59 Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 8 | 8 |
International Consumer and Network Services [Member] | Card Member Receivables [Member] | 60 To 89 Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 4 | 4 |
International Consumer and Network Services [Member] | Card Member Receivables [Member] | 90+ Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 10 | 10 |
International Consumer and Network Services [Member] | Card Member Loans [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Current | 420 | 432 |
Total aging | 424 | 435 |
International Consumer and Network Services [Member] | Card Member Loans [Member] | 30 to 59 Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 1 | 1 |
International Consumer and Network Services [Member] | Card Member Loans [Member] | 60 To 89 Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 1 | 1 |
International Consumer and Network Services [Member] | Card Member Loans [Member] | 90+ Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 2 | 1 |
Global Corporate Payments [Member] | Card Member Receivables [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Total aging | 12,187 | 11,336 |
Global Corporate Payments [Member] | Card Member Receivables [Member] | 90+ Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 88 | 93 |
Global Small Business Services [Member] | Card Member Receivables [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Current | 1,510 | 1,380 |
Total aging | 1,526 | 1,394 |
Global Small Business Services [Member] | Card Member Receivables [Member] | 30 to 59 Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 6 | 5 |
Global Small Business Services [Member] | Card Member Receivables [Member] | 60 To 89 Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | 3 | 3 |
Global Small Business Services [Member] | Card Member Receivables [Member] | 90+ Days Past Due [Member] | | |
Financing Receivable, Recorded Investment, Aging [Abstract] | | |
Period past due | $ 7 | $ 6 |