| Computation of Ratios of Earnings to Fixed Charges | |||||||||||||||||||
| For the year ended December 31, | |||||||||||||||||||
| (dollars in millions) | 2017 | 2016 | 2015 | 2014 | 2013 (a) | ||||||||||||||
| Earnings: | |||||||||||||||||||
| Income before income taxes | $ | 1,234 | $ | 670 | $ | 750 | $ | 870 | $ | 786 | |||||||||
| Less: | |||||||||||||||||||
| Interest and penalties on tax liabilities | 4 | 3 | 1 | (4 | ) | (1 | ) | ||||||||||||
| Income before income taxes after interest on tax liabilities | 1,230 | 667 | 749 | 874 | 787 | ||||||||||||||
| Plus: | |||||||||||||||||||
| Fixed charges | 144 | 135 | 118 | 122 | 136 | ||||||||||||||
| Earnings, including interest on deposits | 1,374 | 802 | 867 | 996 | 923 | ||||||||||||||
| Less: | |||||||||||||||||||
| Interest on deposits | 42 | 40 | 43 | 45 | 55 | ||||||||||||||
| Earnings, excluding interest on deposits | $ | 1,332 | $ | 762 | $ | 824 | $ | 951 | $ | 868 | |||||||||
| Fixed charges: | |||||||||||||||||||
| Interest expense | $ | 121 | $ | 112 | $ | 95 | $ | 95 | $ | 112 | |||||||||
| Interest portion of rental expense | 23 | 23 | 23 | 27 | 24 | ||||||||||||||
| Total fixed charges | 144 | 135 | 118 | 122 | 136 | ||||||||||||||
| Less: | |||||||||||||||||||
| Interest on deposits | 42 | 40 | 43 | 45 | 55 | ||||||||||||||
| Total fixed charges, excluding interest on deposits | $ | 102 | $ | 95 | $ | 75 | $ | 77 | $ | 81 | |||||||||
| Earnings to fixed charges: | |||||||||||||||||||
| Excluding interest on deposits | 13.03x | 7.94x | 10.87x | 12.42x | 10.73x | ||||||||||||||
| Including interest on deposits | 9.53x | 5.94x | 7.31x | 8.21x | 6.81x | ||||||||||||||
