The following table summarizes the Company’s share repurchase authorizations of its Class A common stock through September 30, 2014, as well as historical purchases: | | | | | | | | | | | | | | | | | | Authorization Dates | | December 2013 | | February 2013 | | June 2012 | | Total | | (in millions, except average price data) | Board authorization | $ | 3,500 |
| | $ | 2,000 |
| | $ | 1,500 |
| | $ | 7,000 |
| Dollar value of shares repurchased during the nine months ended September 30, 2013 | ** |
| | $ | 1,088 |
| | $ | 604 |
| | $ | 1,692 |
| Remaining authorization at December 31, 2013 | $ | 3,500 |
| | $ | 161 |
| | $ | — |
| | $ | 3,661 |
| Dollar value of shares repurchased during the nine months ended September 30, 2014 | $ | 3,070 |
| | $ | 161 |
| | $ | — |
| | $ | 3,231 |
| Remaining authorization at September 30, 2014 | $ | 430 |
| | $ | — |
| | $ | — |
| | $ | 430 |
| Shares repurchased during the nine months ended September 30, 2013 | ** |
| | 19.4 |
| | 11.7 |
| | 31.1 |
| Average price paid per share during the nine months ended September 30, 2013 | ** |
| | $ | 56.19 |
| | $ | 51.72 |
| | $ | 54.50 |
| Shares repurchased during the nine months ended September 30, 2014 | 40.5 |
| | 1.9 |
| | — |
| | 42.4 |
| Average price paid per share during the nine months ended September 30, 2014 | $ | 75.96 |
| | $ | 83.22 |
| | $ | — |
| | $ | 76.30 |
| Cumulative shares repurchased through September 30, 2014 | 40.5 |
| | 31.1 |
| | 31.1 |
| | 102.7 |
| Cumulative average price paid per share | $ | 75.96 |
| | $ | 64.26 |
| | $ | 48.16 |
| | $ | 63.98 |
|
** Not applicable |