International Theme Parks Impact of Consolidating Balance Sheets of International Theme Parks (Detail) - USD ($) $ in Millions	Sep. 27, 2025	Sep. 28, 2024	Sep. 30, 2023
Schedule of Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	$ 5,695	$ 6,002	$ 14,182
Other current assets	1,158	2,391
Total current assets	24,267	25,241
Parks, resorts and other property	41,255	37,041
Other assets	10,002	13,101
Total assets	197,514	196,219
Current liabilities	34,162	34,599
Borrowings	35,315	38,970
International Theme Parks
Schedule of Consolidating Balance Sheets [Line Items]
Cash and cash equivalents	428	510
Other current assets	184	178
Total current assets	612	688
Parks, resorts and other property	6,060	6,141
Other assets	287	217
Total assets	6,959	7,046
Current liabilities	734	695
Borrowings	1,075	1,292
Other long-term liabilities	489	409
Total liabilities	$ 2,298	$ 2,396