Details about AOCI Components Reclassified to Net Income (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Jul. 01, 2017	Jul. 02, 2016	Jul. 01, 2017	Jul. 02, 2016
Details about AOCI Components Reclassified to Net Income
Interest expense, net	$ (117)	$ (70)	$ (300)	$ (161)
Primarily revenue	14,238	14,277	42,358	42,490
Income taxes	(1,144)	(1,471)	(3,593)	(4,089)
Net income attributable to The Walt Disney Company (Disney)	2,366	2,597	7,233	7,620
Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Net income attributable to The Walt Disney Company (Disney)	(42)	(6)	(98)	18
Gain/(loss) in net income from Investments, net \| Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Interest expense, net	0	0	6	0
Income taxes	0	0	(2)	0
Net income attributable to The Walt Disney Company (Disney)	0	0	4	0
Gain/(loss) in net income from Cash flow hedges \| Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Primarily revenue	41	56	162	228
Income taxes	(15)	(21)	(60)	(85)
Net income attributable to The Walt Disney Company (Disney)	26	35	102	143
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	(108)	(65)	(324)	(199)
Income taxes	40	24	120	74
Net income attributable to The Walt Disney Company (Disney)	$ (68)	$ (41)	$ (204)	$ (125)

The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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