Common Stock | Treasury Stock | ||||
Balance as of December 31, 2010 | 673 | (105 | ) | ||
Transactions in connection with stock-based compensation plans: | |||||
Stock issuances | — | 5 | |||
Stock repurchases | — | (17 | ) | ||
Balance as of December 31, 2011 | 673 | (117 | ) | ||
Transactions in connection with stock-based compensation plans: | |||||
Stock issuances | — | 6 | |||
Stock repurchases | — | (6 | ) | ||
Stock repurchases under buyback program | — | (4 | ) | ||
Balance as of December 31, 2012 | 673 | (121 | ) | ||
Transactions in connection with stock-based compensation plans: | |||||
Stock issuances | — | 6 | |||
Stock repurchases | — | (6 | ) | ||
Stock repurchases under buyback program | — | (17 | ) | ||
Balance as of December 31, 2013 | 673 | (138 | ) |