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Supplemental Cash Flow Information | 12 Months Ended
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Dec. 31, 2020
Cash Flow Statement [Abstract] |
Supplemental Cash Flow Information | Supplemental Cash Flow Information
(CAD$ in millions) |  | December 31, 2020 |  | December 31, 2019
Cash and cash equivalents |  |  |  |
Cash |  | $ | 137 |  |  | $ | 149 |
Investments with maturities from the date of acquisition of three months or less |  | 313 |  |  | 877 |
|  | $ | 450 |  |  | $ | 1,026 |
Cash and cash equivalents as at December 31, 2020 includes $82 million held in QBSA and $26 million held in Antamina. These cash and cash equivalent balances are to be used within the entity for operating purposes and cannot be transferred to other entities within the group.
(CAD$ in millions) |  | 2020 |  | 2019
Net change in non-cash working capital items |  |  |  |
Trade and settlement receivables |  | $ | (294) |  |  | $ | 97 |
Prepaids and other current assets |  | (102) |  |  | (69) |
Inventories |  | 100 |  |  | 16 |
Trade accounts payable and other liabilities |  | 55 |  |  | (204) |
|  | $ | (241) |  |  | $ | (160) |

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- Definition The entire disclosure for a statement of cash flows. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Section Presentation of a statement of cash flows -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS07_g10-17_TI -URIDate 2020-01-01 + Details
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- Definition Cash Flow Statement [Abstract] + References No definition available. + Details
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