Stockholders' Equity, Comprehensive Income and Share-Based Compensation (Details Textual) $ / shares in Units, shares in Millions	1 Months Ended			3 Months Ended		9 Months Ended
	Jun. 30, 2019 $ / shares	Mar. 31, 2019 $ / shares	Dec. 31, 2018 $ / shares	Jul. 28, 2019 USD ($) $ / shares shares	Jul. 29, 2018 $ / shares	Jul. 28, 2019 USD ($) employee_stock_purchase_plan $ / shares shares	Jul. 29, 2018 USD ($) $ / shares shares	Feb. 28, 2018 USD ($)
Equity [Line Items]
Amount authorized by board of directors to repurchase shares | $								$ 6,000,000,000.0
Remaining authorized repurchase amount | $				$ 2,400,000,000		$ 2,400,000,000
Dividends declared per share (in dollars per share) | $ / shares	$ 0.21	$ 0.21	$ 0.20	$ 0.21	$ 0.20	$ 0.62	$ 0.50
Payments of dividends | $						$ 577,000,000	$ 410,000,000
Employee Stock
Equity [Line Items]
Performance of total shareholder return						100.00%
Total unrecognized compensation expense | $				$ 417,000,000		$ 417,000,000
Weighted average period for unrecognized compensation expense to be recognized (in years)						2 years 7 months 6 days
Performance Shares
Equity [Line Items]
Additional performance-based awards to be earned upon certain levels of achievement (in shares) | shares				1.6		1.6
Award measurement metric relative weight						50.00%
Award measurement period						3 years
Performance Shares | Min
Equity [Line Items]
Award vesting rights, percentage of target amount						0.00%
Performance Shares | Maximum
Equity [Line Items]
Award vesting rights, percentage of target amount						200.00%
Employee Stock Incentive Plan | Employee Stock Option
Equity [Line Items]
Number of shares available for grant (in shares) | shares				67.0		67.0
Employee Stock Purchase Plan
Equity [Line Items]
Number of employee stock purchase plans | employee_stock_purchase_plan						2
Employee stock purchase plan purchase period						6 months
Shares issued under employee stock purchase plans (in shares) | shares						2.0	1.0
Employee Stock Purchase Plan | Employee Stock
Equity [Line Items]
Purchase price of common stock						85.00%
Employee Stock Purchase Plan | Employee Stock Option
Equity [Line Items]
Number of shares available for grant (in shares) | shares				15.0		15.0
United States | Employee Stock Purchase Plan
Equity [Line Items]
Number of employee stock purchase plans | employee_stock_purchase_plan						1
Non-US | Employee Stock Purchase Plan
Equity [Line Items]
Number of employee stock purchase plans | employee_stock_purchase_plan						1