Equity-Based Compensation - Additional Information (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 28, 2013	Dec. 29, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average grant date fair values of options issued	$ 19.15	$ 12.19
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 220
Stock compensation granted, number of shares	5.6
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unrecognized compensation cost	$ 719
Stock compensation granted, number of shares	5.0
Performance Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock compensation granted, number of shares	0.3