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 |