| 2013 | 2012 | 2011 | ||||||||||
| (in millions) | ||||||||||||
| Real estate investments sold or held for sale(1) | $ | 9 | $ | 22 | $ | 37 | ||||||
| Global commodities business(2) | 1 | 0 | 16 | |||||||||
| Other | 0 | 1 | 0 | |||||||||
| Income from discontinued operations before income taxes | 10 | 23 | 53 | |||||||||
| Income tax expense | 3 | 8 | 18 | |||||||||
| Income from discontinued operations, net of taxes | $ | 7 | $ | 15 | $ | 35 | ||||||