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Investment In Films and Television Programs and Licensed Program Rights (Impairments) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs and licensed program rights	$ 216.5	$ 1.7	$ 218.2	$ 26.7
Restructuring and other	233.2	3.5	241.3	6.7
Content and other impairments
Segment Reporting Information [Line Items]
Restructuring and other	218.8	0.0	218.8	0.0
Not included in segment operating results
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs and licensed program rights	213.0	0.0	213.0	0.0
Motion Picture | Reportable Segments
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs and licensed program rights	0.0	0.1	0.5	0.1
Television Production | Reportable Segments
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs and licensed program rights	3.5	$ 1.6	$ 4.7	$ 26.6
Media Networks | Content and other impairments
Segment Reporting Information [Line Items]
Restructuring and other	$ 213.0

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- Definition

Amount of impairment loss on capitalized cost for film predominantly monetized on its own and film group.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 4C
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=120154696&loc=SL120155252-107959

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