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Capital Stock (Tables) | 12 Months Ended
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Dec. 31, 2015
Equity [Abstract] |
Summary of Normal Course Issuer Bids | The following is a summary of the Normal Course Issuer Bids [number of shares in the table below are expressed in whole numbers]:
|  | Maximum |  |  | 2015 |  |  | 2014 |
|  | number |  |  | Shares |  |  | Cash |  |  | Shares |  |  | Cash |
|  | of shares |  |  | purchased |  |  | amount |  |  | purchased |  |  | amount |
2013 Bid |  |  | 40,000,000 |  |  |  | — |  |  | $ | — |  |  |  | 30,271,428 |  |  | $ | 1,525 |
2014 Bid |  |  | 40,000,000 |  |  |  | 8,166,514 |  |  |  | 388 |  |  |  | 4,798,376 |  |  |  | 241 |
2015 Bid |  |  | 40,000,000 |  |  |  | 2,585,970 |  |  |  | 113 |  |  |  | — |  |  |  | — |
|  |  |  |  |  |  | 10,752,484 |  |  | $ | 501 |  |  |  | 35,069,804 |  |  | $ | 1,766 |
Maximum Number of Shares Outstanding Exercised or Converted |
[c] | The following table presents the maximum number of shares that would be outstanding if all the dilutive instruments outstanding at March 3, 2016 were exercised or converted:
Common Shares |  |  | 401,643,203 |
Stock options [note 20] |  |  | 9,117,224 |
|  |  | 410,760,427 |

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