Acquisitions Changes in Carry Amount of Goodwill (Details) - USD ($) $ in Millions		12 Months Ended
		Sep. 30, 2023	Oct. 01, 2022
Goodwill [Roll Forward]
Beginning balance		$ 77,897	$ 78,071
Segment Recast		0
Goodwill, Impairment Loss	[1]	(721)
Currency translation adjustments and other, net		(109)	(174)
Ending balance		77,067	77,897
DMED
Goodwill [Roll Forward]
Beginning balance		72,347	72,521
Segment Recast	[2]	(72,347)
Goodwill, Impairment Loss		0
Currency translation adjustments and other, net		0	(174)
Ending balance		0	72,347
Experiences Segment
Goodwill [Roll Forward]
Beginning balance		5,550	5,550
Segment Recast		0
Goodwill, Impairment Loss		0
Currency translation adjustments and other, net		0	0
Ending balance		5,550	5,550
Entertainment Segment
Goodwill [Roll Forward]
Beginning balance		0	0
Segment Recast	[2]	55,488
Goodwill, Impairment Loss	[1]	(425)
Currency translation adjustments and other, net		(32)	0
Ending balance		55,031	0
Sports Segment
Goodwill [Roll Forward]
Beginning balance		0	0
Segment Recast	[2]	16,859
Goodwill, Impairment Loss	[1]	(296)
Currency translation adjustments and other, net		(77)	0
Ending balance		$ 16,486	$ 0

[1] Reflects goodwill impairments at entertainment and international sports linear networks (See Note 18).

[2] Reflects the reallocation of goodwill as a result of the Company recasting its segments from the strategic reorganization during fiscal 2023.