| Assumptions | |||||||
| The worldwide weighted-average actuarial assumptions used to determine benefit obligations were: | |||||||
| 2013 | 2012 | 2011 | |||||
| Discount rate | 4.7% | 4.0% | 4.8% | ||||
| Long-term rate of compensation increase | 4.1% | 4.1% | 4.2% | ||||
| The worldwide weighted-average actuarial assumptions used to determine annual net periodic benefit cost were: | |||||||
| 2013 | 2012 | 2011 | |||||
| Discount rate | 4.1% | 4.8% | 5.4% | ||||
| Long-term rate of compensation increase | 4.1% | 4.2% | 4.2% | ||||
| Long-term rate of return on plan assets | 8.5% | 8.9% | 8.9% | ||||