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Segment Information (Segment Revenues By Media) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Revenue from External Customer [Line Items]
Revenues	$ 752	$ 671	$ 1,945	$ 1,556
Reportable Segments | Motion Pictures
Revenue from External Customer [Line Items]
Revenues	440	506	1,266	1,135
Reportable Segments | Motion Pictures | Theatrical
Revenue from External Customer [Line Items]
Revenues	87	183	197	232
Reportable Segments | Motion Pictures | Home Entertainment
Revenue from External Customer [Line Items]
Revenues	167	126	467	389
Reportable Segments | Motion Pictures | Television
Revenue from External Customer [Line Items]
Revenues	91	49	214	157
Reportable Segments | Motion Pictures | International
Revenue from External Customer [Line Items]
Revenues	90	140	372	333
Reportable Segments | Motion Pictures | Other
Revenue from External Customer [Line Items]
Revenues	5	8	16	24
Reportable Segments | Television Production
Revenue from External Customer [Line Items]
Revenues	229	165	595	421
Reportable Segments | Television Production | Home Entertainment
Revenue from External Customer [Line Items]
Revenues	23	16	33	36
Reportable Segments | Television Production | International
Revenue from External Customer [Line Items]
Revenues	31	26	75	112
Reportable Segments | Television Production | Other
Revenue from External Customer [Line Items]
Revenues	1	2	6	5
Reportable Segments | Television Production | Domestic Television
Revenue from External Customer [Line Items]
Revenues	174	121	481	268
Reportable Segments | Media Networks
Revenue from External Customer [Line Items]
Revenues	85	0	86	0
Reportable Segments | Media Networks | Starz Networks
Revenue from External Customer [Line Items]
Revenues	83	0	83	0
Reportable Segments | Media Networks | Content And Other
Revenue from External Customer [Line Items]
Revenues	1	0	1	0
Reportable Segments | Media Networks | Streaming Services
Revenue from External Customer [Line Items]
Revenues	1	0	2	0
Intersegment Eliminations
Revenue from External Customer [Line Items]
Revenues	$ (2)	$ 0	$ (2)	$ 0

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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