International Theme Park Investments - Impact of Consolidating Balance Sheets of International Theme Parks (Detail) (USD $) In Millions, unless otherwise specified	Sep. 28, 2013		Sep. 29, 2012		Oct. 01, 2011	Oct. 02, 2010
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	$ 3,931		$ 3,387		$ 3,185	$ 2,722
Other current assets	10,178		10,322
Total current assets	14,109		13,709
Investments/Advances	2,849		2,723
Parks, resorts and other property	22,380		21,512
Other assets	41,903		36,954
Total assets	81,241	[1],[2]	74,898	[1],[2]
Current portion of borrowings	1,512		3,614
Other current liabilities	10,192		9,199
Total current liabilities	11,704		12,813
Borrowings	12,776		10,697
Deferred income taxes and other long-term liabilities	8,611		9,430
Equity	48,150		41,958		39,453	39,342
Total liabilities and equity	81,241		74,898
Before International Theme Parks Consolidation
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	3,325		2,839
Other current assets	9,896		10,066
Total current assets	13,221		12,905
Investments/Advances	6,415		6,065
Parks, resorts and other property	17,117		17,005
Other assets	41,879		36,949
Total assets	78,632		72,924
Current portion of borrowings	1,512		3,614
Other current liabilities	9,622		8,742
Total current liabilities	11,134		12,356
Borrowings	12,501		10,430
Deferred income taxes and other long-term liabilities	8,466		9,325
Equity	46,531		40,813
Total liabilities and equity	78,632		72,924
International Theme Parks and Adjustments
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	606		548
Other current assets	282		256
Total current assets	888		804
Investments/Advances	(3,566)		(3,342)
Parks, resorts and other property	5,263		4,507
Other assets	24		5
Total assets	2,609		1,974
Current portion of borrowings	0		0
Other current liabilities	570		457
Total current liabilities	570		457
Borrowings	275		267
Deferred income taxes and other long-term liabilities	145		105
Equity	1,619		1,145
Total liabilities and equity	$ 2,609		$ 1,974

[1] Goodwill and intangible assets by segment are as follows: 2013 2012Media Networks$17,782 $17,854Parks and Resorts342 172Studio Entertainment8,425 6,783Consumer Products6,262 3,700Interactive1,753 1,486Corporate130 130 $34,694 $30,125

[2] Identifiable assets include amounts associated with equity method investments. Equity method investments by segment are as follows: 2013 2012Media Networks$2,369 $2,423Parks and Resorts15 8Studio Entertainment2 2Consumer Products1 1Interactive— —Corporate20 4 $2,407 $2,438