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Investment In Films and Television Programs and Licensed Program Rights (Impairments) (Details) - USD ($) $ in Millions	3 Months Ended		15 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs and licensed program rights	$ 28.2	$ 1.7
Restructuring and other	$ 32.0	$ 8.0
Film, Monetized on Its Own, and Film Group, Impairment, Statement of Income [Extensible Enumeration]	Total direct operating expense on consolidated statements of operations, Restructuring and other	Total direct operating expense on consolidated statements of operations, Restructuring and other
Content impairments
Segment Reporting Information [Line Items]
Restructuring and other	$ 28.0	$ 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	28.0	0.0
Motion Picture | Reportable Segments
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs and licensed program rights	0.2	0.5
Television Production | Reportable Segments
Segment Reporting Information [Line Items]
Write downs on investments in films and television programs and licensed program rights	0.0	$ 1.2
Media Networks | Content impairments
Segment Reporting Information [Line Items]
Restructuring and other	$ 28.0		$ 407.3

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+ References

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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 https://asc.fasb.org/extlink&oid=120154696&loc=SL120155252-107959

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Indicates line item in statement in which net income is reported that includes 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 (c)
-URI https://asc.fasb.org/extlink&oid=120154696&loc=SL120155252-107959

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