Details about AOCI Components Reclassified to Net Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jun. 27, 2020	Jun. 29, 2019	Jun. 27, 2020	Jun. 29, 2019
Details about AOCI Components Reclassified to Net Income
Revenues	$ 11,779	$ 20,262	$ 50,681	$ 50,489
Interest expense, net	412	411	995	617
Income taxes	331	(393)	(650)	(2,685)
Net income attributable to The Walt Disney Company (Disney)	(4,721)	1,760	(2,154)	10,000
Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Net income attributable to The Walt Disney Company (Disney)	(41)	(11)	(176)	(72)
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	78	55	180	116
Income taxes	(18)	(13)	(42)	(27)
Net income attributable to The Walt Disney Company (Disney)	60	42	138	89
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	(132)	(69)	(409)	(210)
Income taxes	31	16	95	49
Net income attributable to The Walt Disney Company (Disney)	$ (101)	$ (53)	$ (314)	$ (161)