Property sale	12 Months Ended
Dec. 31, 2023
Discontinued Operations and Disposal Groups [Abstract]
Property sale	Property sale During 2021, the Company provided property to a government agency in exchange for property and property easements with fair values of $33 million and $9 million, respectively, and cash of $61 million. Fair values were determined based on comparable market transactions. The Company recorded a gain in "Purchased services and other" of $50 million from the transaction, and a deferred gain of $53 million, which is being recognized in income over the period of use of certain easements. The Company recognized $14 million of the deferred gain into income in 2023 (2022 - $14 million; 2021 - $13 million)). There were no significant property sales transacted in 2023 or 2022.

Property sale

12 Months Ended

Dec. 31, 2023

Discontinued Operations and Disposal Groups [Abstract]

During 2021, the Company provided property to a government agency in exchange for property and property easements with fair values of $33 million and $9 million, respectively, and cash of $61 million. Fair values were determined based on comparable market transactions. The Company recorded a gain in "Purchased services and other" of $50 million from the transaction, and a deferred gain of $53 million, which is being recognized in income over the period of use of certain easements. The Company recognized $14 million of the deferred gain into income in 2023 (2022 - $14 million; 2021 - $13 million)).

There were no significant property sales transacted in 2023 or 2022.