International Theme Parks Impact of Consolidating Balance Sheets of International Theme Parks (Detail) - USD ($) $ in Millions	Sep. 28, 2024	Sep. 30, 2023	Oct. 01, 2022
Schedule of Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	$ 6,002	$ 14,182	$ 11,615
Other current assets	2,391	1,286
Total current assets	25,241	32,763
Parks, resorts and other property	37,041	34,941
Other assets	13,101	11,076
Total assets	196,219	205,579
Current liabilities	34,599	31,139
Borrowings	38,970	42,101
International Theme Parks
Schedule of Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	510	504
Other current assets	178	159
Total current assets	688	663
Parks, resorts and other property	6,141	6,150
Other assets	217	234
Total assets	7,046	7,047
Current liabilities	695	720
Borrowings	1,292	1,308
Other long-term liabilities	409	392
Total liabilities	$ 2,396	$ 2,420