Details about AOCI Components Reclassified to Net Income (Details) - USD ($) $ in Millions	3 Months Ended
Dec. 29, 2018	Dec. 30, 2017
Details about AOCI Components Reclassified to Net Income
Revenues	$ 15,303	$ 15,351
Interest expense, net	63	129
Income taxes	(645)	728
Net income attributable to The Walt Disney Company (Disney)	2,788	4,423
Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Net income attributable to The Walt Disney Company (Disney)	(23)	(73)
Gain/(loss) in net income from Cash flow hedges \| Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Revenues	39	(20)
Income taxes	(9)	8
Net income attributable to The Walt Disney Company (Disney)	30	(12)
Gain/(loss) in net income from Pension and postretirement medical expense \| Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Primarily included in the computation of net periodic benefit cost	0	(96)
Interest expense, net	(69)	0
Income taxes	16	35
Net income attributable to The Walt Disney Company (Disney)	$ (53)	$ (61)

Amount of net periodic benefit cost (credit) for defined benefit plan.

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