Long-lived Assets (Tables)

9 Months Ended

Sep. 30, 2021

Property, Plant and Equipment [Abstract]

Schedule of PP&E

The details of our property and equipment and the related accumulated depreciation are set forth below:

	September 30, 2021		December 31, 2020
	in millions
Distribution systems	$	9,412.9	$	9,646.4
Customer premises equipment	1,387.0		1,447.7
Support equipment, buildings and land	4,162.8		4,366.7
Total property and equipment, gross	14,962.7		15,460.8
Accumulated depreciation	(7,978.1)		(7,834.2)
Total property and equipment, net	$	6,984.6	$	7,626.6

Schedule of Changes in Carrying Amount of Goodwill

Changes in the carrying amount of our goodwill during the nine months ended September 30, 2021 are set forth below:

	January 1, 2021		Acquisitions and related adjustments		Foreign currency translation adjustments and other		September 30, 2021
	in millions
Switzerland	$	6,816.0	$	17.7	$	(404.2)	$	6,429.5
Belgium	2,783.7		—		(149.2)		2,634.5
Ireland	296.2		—		(15.8)		280.4
Central and Other	69.8		—		(3.7)		66.1
Total	$	9,965.7	$	17.7	$	(572.9)	$	9,410.5

Schedule of Intangible Assets Subject to Amortization, Net

The details of our intangible assets subject to amortization are set forth below:

	September 30, 2021						December 31, 2020
	Gross carrying amount		Accumulated amortization		Net carrying amount		Gross carrying amount		Accumulated amortization		Net carrying amount
	in millions
Customer relationships	$	2,287.7	$	(502.2)	$	1,785.5	$	2,411.6	$	(237.5)	$	2,174.1
Other	1,039.2		(414.7)		624.5		1,072.1		(366.3)		705.8
Total	$	3,326.9	$	(916.9)	$	2,410.0	$	3,483.7	$	(603.8)	$	2,879.9