Reconciliation of Weighted Average Number of Common and Common Equivalent Shares Outstanding and Awards Excluded from Diluted Earnings Per Share Calculation (Details) - shares shares in Millions	3 Months Ended			9 Months Ended
	Jul. 03, 2021	Jun. 27, 2020		Jul. 03, 2021	Jun. 27, 2020
Shares (in millions):
Weighted average number of common and common equivalent shares outstanding (basic)	1,818	1,809		1,816	1,807
Weighed average dilutive impact of awards	12	0	[1]	11	0	[1]
Weighted average number of common and common equivalent shares outstanding (diluted)	1,830	1,809		1,827	1,807
Awards excluded from diluted earnings per share	3	24		5	21

[1] Amounts exclude all potential common and common equivalent shares for periods when there is a net loss from continuing operations.