(dollars in millions) | 2013 | 2012 | 2011 | |||||||||
Net income attributable to common shareowners | $ | 5,721 | $ | 5,130 | $ | 4,979 | ||||||
Transfers to noncontrolling interests: | ||||||||||||
Increase in common stock for sale of subsidiary shares | — | — | 3 | |||||||||
Decrease in common stock for purchase of subsidiary shares | (49 | ) | (34 | ) | (54 | ) | ||||||
Net income attributable to common shareowners after transfers to noncontrolling interests | $ | 5,672 | $ | 5,096 | $ | 4,928 | ||||||