Debt

3 Months Ended

Mar. 31, 2020

Debt Disclosure [Abstract]

Debt

Debt

Issuance of long-term debt

During the three months ended March 31, 2020, the Company issued U.S. $500 million 2.050% 10-year unsecured notes due March 5, 2030 for net proceeds of approximately U.S. $495 million ($662 million) and $300 million 3.050% 30-year unsecured notes due March 9, 2050 for net proceeds of approximately $296 million. These notes pay interest semi-annually and carry a negative pledge.

Credit facility

The Company's revolving credit facility consists of a U.S. $1.0 billion tranche maturing September 27, 2024 and a U.S. $300 million tranche maturing September 27, 2021. As at March 31, 2020, the Company had U.S. $100 million ($142 million) drawn from the U.S. $300 million tranche of its revolving credit facility (December 31, 2019 - undrawn). The interest rate on these borrowings is 1.875%. These borrowings are included in "Long-term debt maturing within one year" on the Company's Interim Consolidated Balance Sheets.

Commercial paper program

The Company has a commercial paper program which enables it to issue commercial paper up to a maximum aggregate principal amount of U.S. $1.0 billion in the form of unsecured promissory notes. This commercial paper program is backed by the U.S. $1.3 billion revolving credit facility. As at March 31, 2020, the Company had total commercial paper borrowings of U.S. $20 million ($28 million), included in "Long-term debt maturing within one year" on the Company's Interim Consolidated Balance Sheets (December 31, 2019 - U.S. $397 million). The weighted-average interest rate on these borrowings was 2.55% (December 31, 2019 - 2.03%). The Company presents issuances and repayments of commercial paper, all of which have a maturity of less than 90 days, in the Company's Interim Consolidated Statements of Cash Flows on a net basis.