International Theme Parks Impact of Consolidating Balance Sheets of International Theme Parks - Asia International Theme Parks (Details) - USD ($) $ in Millions	Dec. 30, 2017		Sep. 30, 2017
Schedule Of Condensed Consolidating Balance Sheets - Asia International Theme Parks [Line Items]
Total assets	$ 97,734		$ 95,789
Parks, resorts and other property	28,584		28,406
Asia International Theme Parks [Member]
Schedule Of Condensed Consolidating Balance Sheets - Asia International Theme Parks [Line Items]
Total assets	8,100		8,100
Parks, resorts and other property	7,300		7,300
Total liabilities	$ 2,100	[1]	$ 2,100

[1] At December 30, 2017 and September 30, 2017, total assets of the Asia Theme Parks were $8.1 billion and primarily consist of parks, resorts and other property of $7.3 billion. At December 30, 2017 and September 30, 2017, total liabilities of the Asia Theme Parks were $2.1 billion.