Programming and Other Inventory (Programming and Production Costs) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2020
Inventory Disclosure [Abstract]
Programming costs, acquired programming	$ 839	$ 2,525
Production costs, internally produced television and film programming:
Individual monetization	606	2,129
Film group monetization	$ 662	$ 2,082

Amount of amortization expense for capitalized cost for right acquired by broadcaster under license agreement for program material.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 920
-SubTopic 350
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120155617&loc=SL120155632-234783

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of amortization expense for capitalized film cost for film predominantly monetized with other films and license agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 926
-SubTopic 20
-Section 50
-Paragraph 4A
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=120154696&loc=SL120155244-107959

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Balance Type:	debit
Period Type:	duration

- Definition

Amount of amortization expense for capitalized film cost for film predominantly monetized on its own.

+ References

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- References

No definition available.

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- References

No definition available.

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