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
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Shares (in millions):
Weighted average number of common and common equivalent shares outstanding (basic)	1,696	1,732	1,699	1,748
Weighted average dilutive impact of Awards	15	16	15	19
Weighted average number of common and common equivalent shares outstanding (diluted)	1,711	1,748	1,714	1,767
Awards excluded from diluted earnings per share	0	6	5	7