Description of the Business and Segment Information - Financial Information by Operating Segments (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	Sep. 28, 2013	Sep. 29, 2012
Segment Reporting Information [Line Items]
Equity method investments	$ 2,407	$ 2,438
Goodwill and intangible assets	34,694	30,125
Media Networks
Segment Reporting Information [Line Items]
Equity method investments	2,369	2,423
Goodwill and intangible assets	17,782	17,854
Parks and Resorts
Segment Reporting Information [Line Items]
Equity method investments	15	8
Goodwill and intangible assets	342	172
Studio Entertainment
Segment Reporting Information [Line Items]
Equity method investments	2	2
Goodwill and intangible assets	8,425	6,783
Consumer Products
Segment Reporting Information [Line Items]
Equity method investments	1	1
Goodwill and intangible assets	6,262	3,700
Interactive
Segment Reporting Information [Line Items]
Equity method investments	0	0
Goodwill and intangible assets	1,753	1,486
Corporate
Segment Reporting Information [Line Items]
Equity method investments	20	4
Goodwill and intangible assets	$ 130	$ 130