leases (Tables)

12 Months Ended

Dec. 31, 2021

leases

Schedule of income from subleasing right-of-use lease assets and lease payments

Years ended December 31 (millions)	Note	2021		2020
Income from subleasing right-of-use lease assets
Co-location sublet revenue included in operating service revenues		$	22	$	17
Other sublet revenue included in other income	7	$	4	$	4
Lease payments		$	568	$	434