Impact of Consolidating Balance Sheets of International Theme Parks (Details) (USD $) In Millions, unless otherwise specified	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	$ 3,745		$ 3,421	$ 4,078		$ 3,931
Other current assets	11,901		11,755
Total current assets	15,646		15,176
Investments/Advances	2,575		2,696
Parks, resorts and other property	23,762		23,332
Other assets	43,732		42,982
Total assets	85,715		84,186
Current portion of borrowings	2,771		2,164
Other current liabilities	10,639		11,128
Total current liabilities	13,410		13,292
Borrowings	12,186		12,676
Deferred income taxes and other long-term liabilities	10,382		10,040
Equity	49,737	47,793	48,178	47,640	47,296	48,150
Total liabilities and equity	85,715		84,186
Before International Theme Parks Consolidation
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	2,778		2,645
Other current assets	11,644		11,452
Total current assets	14,422		14,097
Investments/Advances	6,844		6,627
Parks, resorts and other property	17,030		17,081
Other assets	43,674		42,958
Total assets	81,970		80,763
Current portion of borrowings	2,771		2,164
Other current liabilities	10,243		10,318
Total current liabilities	13,014		12,482
Borrowings	11,928		12,423
Deferred income taxes and other long-term liabilities	10,205		9,859
Equity	46,823		45,999
Total liabilities and equity	81,970		80,763
International Theme Parks and Adjustments
Schedule of Condensed Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	967		776
Other current assets	257		303
Total current assets	1,224		1,079
Investments/Advances	(4,269)		(3,931)
Parks, resorts and other property	6,732		6,251
Other assets	58		24
Total assets	3,745		3,423
Current portion of borrowings	0		0
Other current liabilities	396		810
Total current liabilities	396		810
Borrowings	258		253
Deferred income taxes and other long-term liabilities	177		181
Equity	2,914		2,179
Total liabilities and equity	$ 3,745		$ 3,423