v3.19.2

per share amounts (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
per share amounts |
Reconciliation of the denominators of the basic and diluted per share computations |
|  | Three months |  | Six months
Periods ended June 30 (millions) |  | 2019 |  | 2018 |  | 2019 |  | 2018
Basic total weighted average number of Common Shares outstanding |  | 601 |  | 596 |  | 601 |  | 595
Effect of dilutive securities |  |  |  |  |  |  |  |
Share option awards |  | — |  | — |  | — |  | —
Diluted total weighted average number of Common Shares outstanding |  | 601 |  | 596 |  | 601 |  | 595

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