Impact of Consolidating Balance Sheets of International Theme Parks (Detail) (USD $) In Millions, unless otherwise specified	Sep. 29, 2012		Oct. 01, 2011		Oct. 02, 2010	Oct. 03, 2009
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	$ 3,387		$ 3,185		$ 2,722	$ 3,417
Other current assets	10,322		10,572
Total current assets	13,709		13,757
Investments	2,723		2,435
Fixed assets	21,512		19,695
Other assets	36,954		36,237
Total assets	74,898	[1],[2]	72,124	[1],[2]
Current portion of borrowings	3,614		3,055
Other current liabilities	9,199		9,033
Total current liabilities	12,813		12,088
Borrowings	10,697		10,922
Deferred income taxes and other long-term liabilities	9,430		9,661
Equity	41,958		39,453		39,342	35,425
Total liabilities and equity	74,898		72,124
Before International Theme Parks Consolidation
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	2,839		2,407
Other current assets	10,066		10,323
Total current assets	12,905		12,730
Investments	6,065		3,791
Fixed assets	17,005		15,386
Other assets	36,949		36,137
Total assets	72,924		68,044
Current portion of borrowings	3,614		2,866
Other current liabilities	8,742		8,459
Total current liabilities	12,356		11,325
Borrowings	10,430		8,800
Deferred income taxes and other long-term liabilities	9,325		9,507
Equity	40,813		38,412
Total liabilities and equity	72,924		68,044
International Theme Parks and Adjustments
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	548		778
Other current assets	256		249
Total current assets	804		1,027
Investments	(3,342)		(1,356)
Fixed assets	4,507		4,309
Other assets	5		100
Total assets	1,974		4,080
Current portion of borrowings			189
Other current liabilities	457		574
Total current liabilities	457		763
Borrowings	267		2,122
Deferred income taxes and other long-term liabilities	105		154
Equity	1,145		1,041
Total liabilities and equity	$ 1,974		$ 4,080

[1] Identifiable assets include amounts associated with equity method investments. Equity method investments by segment are as follows: 2012 2011 Media Networks $ 2,423 $ 2,044 Parks and Resorts 8 - Studio Entertainment 2 2 Consumer Products 1 1 Interactive - 4 Corporate 4 1 $ 2,438 $ 2,052

[2] Goodwill and intangible assets by segment are as follows: 2012 2011 Media Networks $ 17,854 $ 17,421 Parks and Resorts 172 172 Studio Entertainment 6,783 6,498 Consumer Products 3,700 3,715 Interactive 1,486 1,330 Corporate 130 130 $ 30,125 $ 29,266