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Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2021
Disclosure of cash flow statement [Abstract] |
Disclosure of non-cash operating working capital |
Year ended Dec. 31 | 2021 | 2020 | 2019
(Use) source: |  |  |
Accounts receivable | (28) |  | (79) |  | 261 |
Prepaid expenses | 9 |  | 2 |  | — |
Income taxes receivable | — |  | (4) |  | (6) |
Inventory | 42 |  | 6 |  | (13) |
Accounts payable, accrued liabilities and provisions | 153 |  | 160 |  | (130) |
Income taxes payable | (2) |  | 4 |  | 9 |
Change in non-cash operating working capital | 174 |  | 89 |  | 121 |
Cash flows from (used in) operating activities |
| Balance Dec. 31, 2020 | Cash issuances | Repayments and dividends paid | New leases |  | Dividends declared | Foreign exchange impact | Other | Balance Dec. 31, 2021
Long-term debt and lease liabilities | 3,361 |  | 173 |  | (214) |  | 1 |  |  | — |  | (39) |  | (15) |  | 3,267 |
Exchangeable securities | 730 |  | — |  | — |  | — |  |  | — |  | — |  | 5 |  | 735 |
Dividends payable (common and preferred) | 59 |  | — |  | (87) |  | — |  |  | 90 |  | — |  | — |  | 62 |
Total liabilities from financing activities | 4,150 |  | 173 |  | (301) |  | 1 |  |  | 90 |  | (39) |  | (10) |  | 4,064 |
| Balance Dec. 31, 2019 | Cash issuances | Repayments and dividends paid | New leases |  | Dividends declared | Foreign exchange impact | Other | Balance Dec. 31, 2020
Long-term debt and lease liabilities | 3,212 |  | 753 |  | (620) |  | 16 |  |  | — |  | 5 |  | (5) |  | 3,361 |
Exchangeable securities | 326 |  | 400 |  | — |  | — |  |  | — |  | — |  | 4 |  | 730 |
Dividends payable (common and preferred) | 37 |  | — |  | (86) |  | — |  |  | 107 |  | — |  | 1 |  | 59 |
Total liabilities from financing activities | 3,575 |  | 1,153 |  | (706) |  | 16 |  |  | 107 |  | 5 |  | — |  | 4,150 |

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