Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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+ Details

Segment Reporting (Narrative) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Jun. 01, 2021
Segment Reporting Information [Line Items]
Reduction in revenue	$ (7,491.4)	$ (7,195.7)	$ (10,311.3)
VMO2 JV
Segment Reporting Information [Line Items]
Ownership percentage	50.00%			50.00%
VodafoneZiggo JV
Segment Reporting Information [Line Items]
Ownership percentage	50.00%
Percentage of minority interest revenues and expenses included in net earnings attributable to noncontrolling interest	100.00%
Central and Other \| Internally Developed Software Treatment
Segment Reporting Information [Line Items]
Reduction in revenue	$ 127.7
Central and Other \| Internally Developed Software Treatment \| VMO2 JV
Segment Reporting Information [Line Items]
Reduction in revenue	69.3
Central and Other \| Internally Developed Software Treatment \| VodafoneZiggo JV
Segment Reporting Information [Line Items]
Reduction in revenue	$ 41.0