Impact of Consolidating Balance Sheets of International Theme Parks (Detail) (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Mar. 31, 2012	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Oct. 02, 2010
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	$ 4,374		$ 3,185	$ 3,519		$ 2,722
Other current assets	10,380		10,572
Total current assets	14,754		13,757
Investments	2,397		2,435
Fixed assets	20,944		19,695
Other assets	37,196		36,237
Total assets	75,291		72,124
Current portion of borrowings	2,569		3,055
Other current liabilities	8,548		9,033
Total current liabilities	11,117		12,088
Borrowings	12,454		10,922
Deferred income taxes and other long-term liabilities	9,647		9,661
Equity	42,073	39,912	39,453	40,922	40,312	39,342
Total liabilities and equity	75,291		72,124
Before International Theme Parks Consolidation
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	3,842		2,407
Other current assets	10,136		10,323
Total current assets	13,978		12,730
Investments	3,852		3,791
Fixed assets	16,620		15,386
Other assets	37,122		36,137
Total assets	71,572		68,044
Current portion of borrowings	2,396		2,866
Other current liabilities	8,065		8,459
Total current liabilities	10,461		11,325
Borrowings	10,671		8,800
Deferred income taxes and other long-term liabilities	9,497		9,507
Equity	40,943		38,412
Total liabilities and equity	71,572		68,044
International Theme Parks and Adjustments
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	532		778
Other current assets	244		249
Total current assets	776		1,027
Investments	(1,455)		(1,356)
Fixed assets	4,324		4,309
Other assets	74		100
Total assets	3,719		4,080
Current portion of borrowings	173		189
Other current liabilities	483		574
Total current liabilities	656		763
Borrowings	1,783		2,122
Deferred income taxes and other long-term liabilities	150		154
Equity	1,130		1,041
Total liabilities and equity	$ 3,719		$ 4,080