Details about AOCI Components Reclassified to Net Income (Details) - USD ($) $ in Millions	3 Months Ended			9 Months Ended
	Jun. 29, 2019	Jun. 30, 2018		Jun. 29, 2019	Jun. 30, 2018
Details about AOCI Components Reclassified to Net Income
Revenues	$ 20,245	$ 15,229	[1]	$ 50,470	$ 45,128	[2]
Interest expense, net	411	143		617	415
Income taxes	(395)	(795)		(2,687)	(880)
Net income attributable to The Walt Disney Company (Disney)	1,760	2,916		10,000	10,276
Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Net income attributable to The Walt Disney Company (Disney)	(11)	(92)		(72)	(266)
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	55	(26)		116	(83)
Income taxes	(13)	6		(27)	23
Net income attributable to The Walt Disney Company (Disney)	42	(20)		89	(60)
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)		0	(288)
Interest expense, net	(69)			(210)	0
Income taxes	16	24		49	82
Net income attributable to The Walt Disney Company (Disney)	$ (53)	$ (72)		$ (161)	$ (206)

[1] Amounts reflect our historical accounting prior to the adoption of the new revenue guidance.

[2] Amounts reflect our historical accounting prior to the adoption of the new revenue guidance.