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Programming Content - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Restructuring Cost and Reserve [Line Items]
Total Restructuring and Other	$ 184.1	$ 224.8	$ 89.9
Content impairments
Restructuring Cost and Reserve [Line Items]
Total Restructuring and Other	$ 156.4	$ 213.0	$ 87.6

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Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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