International Theme Parks Impact of Consolidating Balance Sheets of International Theme Parks - Asia International Theme Parks (Details) - USD ($) $ in Millions		Sep. 30, 2017	Oct. 01, 2016
Schedule of Condensed Consolidating Balance Sheets - Asia International Theme Parks [Line Items]
Total assets	[1]	$ 95,789	$ 92,033
Parks, resorts and other property		28,406	27,349
Asia International Theme Parks [Member]
Schedule of Condensed Consolidating Balance Sheets - Asia International Theme Parks [Line Items]
Total assets		8,100	8,200
Parks, resorts and other property		7,300	7,300
Total liabilities		$ 2,100	$ 2,200

[1] Identifiable assets include amounts associated with equity method investments, goodwill and intangible assets. Equity method investments by segment are as follows: 2017 2016Media Networks$2,998 $4,032Parks and Resorts70 22Studio Entertainment1 3Consumer Products & Interactive Media— —Corporate18 25 $3,087 $4,082Goodwill and intangible assets by segment are as follows: 2017 2016Media Networks$18,346 $18,153Parks and Resorts391 373Studio Entertainment8,360 8,450Consumer Products & Interactive Media7,594 7,653Corporate130 130Unallocated Goodwill3,600 — $38,421 $34,759