Details about AOCI Components Reclassified to Net Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 03, 2021	Jun. 27, 2020	Jul. 03, 2021	Jun. 27, 2020
Details about AOCI Components Reclassified to Net Income
Revenues	$ 17,022	$ 11,779	$ 48,884	$ 50,681
Interest expense, net	445	412	1,089	995
Income taxes	133	331	9	(650)
Net income attributable to The Walt Disney Company (Disney)	918	(4,721)	1,836	(2,154)
Reclassification out of Accumulated Other Comprehensive Income
Details about AOCI Components Reclassified to Net Income
Net income attributable to The Walt Disney Company (Disney)	(151)	(41)	(418)	(176)
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	(4)	78	34	180
Income taxes	2	(18)	(5)	(42)
Net income attributable to The Walt Disney Company (Disney)	(2)	60	29	138
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	(194)	(132)	(582)	(409)
Income taxes	45	31	135	95
Net income attributable to The Walt Disney Company (Disney)	$ (149)	$ (101)	$ (447)	$ (314)