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Supplementary Cash Flow Information (Tables)
 12 Months Ended
Dec. 31, 2022
Disclosure Of Supplementary Cash Flow Information [Abstract]  
Disclosure Of Changes In Non-Cash Working Capital Items
A) Working Capital
As at December 31,20222021
Total Current Assets12,43011,988
Total Current Liabilities8,0217,305
Working Capital 4,4094,683
As at December 31, 2022, adjusted working capital was $4.7 billion (December 31, 2021 – $3.8 billion), excluding assets held for sale of $nil (December 31, 2021 – $1.3 billion), the current portion of the contingent payments of $263 million (December 31, 2021 – $236 million) and liabilities related to assets held for sale of $nil (December 31, 2021 – $186 million).
Changes in non-cash working capital is as follows:
For the years ended December 31,202220212020
Accounts Receivable and Accrued Revenues838(953)77
Income Tax Receivable(58)(1)(12)
Inventories(143)(1,646)450
Accounts Payable and Accrued Liabilities(524)1,645(338)
Income Tax Payable1,00087(17)
Total Change in Non-Cash Working Capital1,113(868)160
Net Change in Non-Cash Working Capital – Operating Activities575(1,227)198
Net Change in Non-Cash Working Capital – Investing Activities538359(38)
Total Change in Non-Cash Working Capital1,113(868)160

For the years ended December 31,202220212020
Interest Paid647811381
Interest Received78245
Income Taxes Paid
72320918
Summary of Reconciliation of Liabilities to Cash Flows from Financing Activities
Dividends PayableShort-Term BorrowingsLong-Term DebtLease Liabilities
As at December 31, 2019
——6,6991,916
Changes From Financing Cash Flows:
Net Issuance (Repayment) of Short-Term Borrowings—117——
(Repayment) of Revolving Long-Term Debt——(220)—
Issuance of Long-Term Debt——1,326—
(Repayment) of Long-Term Debt——(112)—
Principal Repayment of Leases———(197)
Base Dividends Paid on Common Shares(77)———
Non-Cash Changes:
Net Premium (Discount) on Redemption of Long-Term Debt——(25)—
Finance Costs——5—
Lease Additions———49
Lease Modifications———(2)
Lease Re-measurements———(2)
Lease Terminations———(1)
Base Dividends Declared on Common Shares77———
Exchange Rate Movements and Other—4(232)(6)
As at December 31, 2020
—1217,4411,757
Dividends PayableShort-Term BorrowingsLong-Term DebtLease Liabilities
As at December 31, 2020
—1217,4411,757
Acquisition (Note 5)
—406,6021,441
Changes From Financing Cash Flows:
Net Issuance (Repayment) of Short-Term Borrowings—(77)——
(Repayment) of Revolving Long-Term Debt——(350)—
Issuance of Long-Term Debt——1,557—
(Repayment) of Long-Term Debt——(2,870)—
Principal Repayment of Leases———(300)
Base Dividends Paid on Common Shares(176)———
Dividends Paid on Preferred Shares(34)———
Non-Cash Changes:
Net Premium (Discount) on Redemption of Long-Term Debt——121—
Finance Costs——(59)—
Lease Additions———110
Lease Modifications———22
Lease Re-measurements———(4)
Lease Termination———(1)
Transfers to Liabilities Related to Assets Held for Sale———(58)
Base Dividends Declared on Common Shares176———
Dividends Declared on Preferred Shares34———
Exchange Rate Movements and Other—(5)(57)(10)
As at December 31, 2021
—7912,3852,957
Changes From Financing Cash Flows:
Net Issuance (Repayment) of Short-Term Borrowings—34——
(Repayment) of Long-Term Debt——(4,149)—
Principal Repayment of Leases———(302)
Base Dividends Paid on Common Shares(682)———
Variable Dividends Paid on Common Shares(219)———
Dividends Paid on Preferred Shares(26)———
Non-Cash Changes:
Net Premium (Discount) on Redemption of Long-Term Debt——(29)—
Finance Costs——(28)—
Lease Additions———25
Lease Modifications———83
Lease Re-measurements———7
Lease Terminations———(5)
Base Dividends Declared on Common Shares682———
Variable Dividends Declared on Common Shares219———
Dividends Declared on Preferred Shares35———
Exchange Rate Movements and Other—251271
As at December 31, 2022
91158,6912,836