| Note 17—Equity | | | | | |
| | | | | | |
| Common Stock | | | | | |
| The changes in our shares of common stock, as categorized in the equity section of the balance sheet, were: |
| | | | | | |
| | Shares |
| | 2013 | | 2012 | | 2011 |
| Issued | | | | | |
| Beginning of year | 1,762,247,949 | | 1,749,550,587 | | 1,740,529,279 |
| Distributed under benefit plans | 5,921,957 | | 12,697,362 | | 9,021,308 |
| End of year | 1,768,169,906 | | 1,762,247,949 | | 1,749,550,587 |
| | | | | | |
| Held in Treasury | | | | | |
| Beginning of year | 542,230,673 | | 463,880,628 | | 272,873,537 |
| Repurchase of common stock | - | | 79,904,400 | | 155,453,382 |
| Distributed under benefit plans | - | | (1,554,355) | | (475,696) |
| Transfer from grantor trust | - | | - | | 36,029,405 |
| End of year | 542,230,673 | | 542,230,673 | | 463,880,628 |
| | | | | | |
| Held in Grantor Trusts | | | | | |
| Beginning of year | - | | - | | 36,890,375 |
| Repurchase of common stock | - | | - | | (157,470) |
| Distributed under benefit plans | - | | - | | (703,500) |
| Transfer to treasury stock | - | | - | | (36,029,405) |
| End of year | - | | - | | - |
