Details about AOCI Components Reclassified to Net Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Mar. 28, 2020	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Details about AOCI Components Reclassified to Net Income
Revenues	$ 18,009	$ 14,922	$ 38,867	$ 30,225
Interest expense, net	300	143	583	206
Income taxes	(525)	(1,647)	(984)	(2,292)
Net income attributable to The Walt Disney Company (Disney)	460	5,452	2,567	8,240
Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Net income attributable to The Walt Disney Company (Disney)	(74)	(38)	(135)	(61)
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	42	22	102	61
Income taxes	(10)	(5)	(24)	(14)
Net income attributable to The Walt Disney Company (Disney)	32	17	78	47
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
Interest expense, net	(138)	(72)	(277)	(141)
Income taxes	32	17	64	33
Net income attributable to The Walt Disney Company (Disney)	$ (106)	$ (55)	$ (213)	$ (108)