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v3.21.1

Consolidated Statements of Changes in Equity - USD ($) shares in Millions, $ in Millions | Total | Common Shares [Member] | Contributed Surplus [Member] | Retained Earnings [Member] | AOCL [Member] | [1] | Noncontrolling Interest [Member]
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance as adjusted at Dec. 31, 2018 | $ 11,134 | $ 3,380 | $ 120 | $ 8,351 | $ (1,175) | $ 458
Beginning Balance, shares as adjusted at Dec. 31, 2018 |  | 327.3 |  |  |  |
Net income | 1,632 |  |  | 1,765 |  | (133)
Other comprehensive income | 42 |  |  |  | 49 | (7)
Shares issued on exercise of stock options | 44 | $ 53 | (9) |  |  |
Shares issued on exercise of stock options, shares |  | 1.2 |  |  |  |
Contribution by non-controlling interests | 4 |  |  |  |  | 4
Sale of business [note 2] | 8 |  |  |  | 8 |
Release of stock and stock units |  | $ 20 | (20) |  |  |
Release of stock and stock units, shares |  | 0.3 |  |  |  |
Tax withholdings on vesting of equity awards | (9) | $ (2) |  | (7) |  |
Tax withholdings on vesting of equity awards, shares |  | (0.1) |  |  |  |
Repurchase and cancellation under normal course issuer bids [note 19] | (1,289) | $ (268) |  | (1,049) | 28 |
Repurchase and cancellation under normal course issuer bids [note 19], shares |  | (25.8) |  |  |  |
Stock-based compensation expense | 36 |  | 36 |  |  |
Dividends paid to non-controlling interests | (22) |  |  |  |  | (22)
Dividends paid | (449) | $ 15 |  | (464) |  |
Dividends paid, shares |  | 0.3 |  |  |  |
Ending Balance at Dec. 31, 2019 | 11,131 | $ 3,198 | 127 | 8,596 | (1,090) | 300
Ending Balance, shares at Dec. 31, 2019 |  | 303.2 |  |  |  |
Net income | 677 |  |  | 757 |  | (80)
Other comprehensive income | 357 |  |  |  | 349 | 8
Shares issued on exercise of stock options | 81 | $ 98 | (17) |  |  |
Shares issued on exercise of stock options, shares |  | 1.8 |  |  |  |
Contribution by non-controlling interests | 18 |  |  |  |  | 18
Release of stock and stock units |  | $ 17 | (17) |  |  |
Release of stock and stock units, shares |  | 0.5 |  |  |  |
Tax withholdings on vesting of equity awards | (13) | $ (3) |  | (10) |  |
Tax withholdings on vesting of equity awards, shares |  | (0.2) |  |  |  |
Repurchase and cancellation under normal course issuer bids [note 19] | (203) | $ (54) |  | (157) | 8 |
Repurchase and cancellation under normal course issuer bids [note 19], shares |  | (5.1) |  |  |  |
Stock-based compensation expense | 35 |  | 35 |  |  |
Business combination [note 5] | 122 |  |  |  |  | 122
Dividends paid to non-controlling interests | (18) |  |  |  |  | (18)
Dividends paid | (467) | $ 15 |  | (482) |  |
Dividends paid, shares |  | 0.3 |  |  |  |
Ending Balance at Dec. 31, 2020 | $ 11,720 | $ 3,271 | $ 128 | $ 8,704 | $ (733) | $ 350
Ending Balance, shares at Dec. 31, 2020 |  | 300.5 |  |  |  |
[1] | AOCL is Accumulated Other Comprehensive Loss.

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