The following is a summary of other liabilities as of December 31:
| (Millions) | 2013 | 2012 | ||||
| Membership Rewards liability | $ | 6,151 | $ | 5,832 | ||
| Employee-related liabilities(a) | 2,227 | 2,224 | ||||
| Rebate and reward accruals(b) | 2,210 | 2,079 | ||||
| Deferred card and other fees, net | 1,314 | 1,286 | ||||
| Book overdraft balances | 442 | 532 | ||||
| Other(c) | 4,566 | 5,604 | ||||
| Total | $ | 16,910 | $ | 17,557 | ||