Shareholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended	12 Months Ended
	Aug. 13, 2015	Oct. 02, 2015	Jul. 03, 2015	Jun. 27, 2014	Jun. 28, 2013	Feb. 03, 2015	Nov. 08, 2012	Nov. 07, 2012	Jun. 29, 2012	May. 21, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Authorized number of share of common stock for awards grant under Performance Incentive Plan			48,800,000
Share issued in respect of any other type of award granted under the plan							1.72	1.35
Eligible employee payroll deduction amount for ESPP			up to 10%
Percentage of market value for purchases with in ESPP			at 95%
Employee Stock Purchase Plan offering period			24 months
Expenses on stock-based compensation			$ 74	$ 85	$ 88
Stock-based compensation expense tax benefit			19	22	25
Total compensation cost related to unvested stock options and ESPP rights issued			$ 96
Weighted average service period			1 year 11 months 23 days
Expense related to the vesting of Restricted Stock unit awards			$ 88	71	52
Tax benefit realized related to RSU			24	18	14
Unamortized fair value of all unvested Restricted Stock Unit awards			$ 119
Weighted average vesting period			1 year 3 months 18 days
Recognized in expenses related to adjustment to market value and vesting of SARs assumed			$ 3	36	46
Tax benefit realized related to SARs			0	7	4
Total liability related to SARs			$ 41
Options outstanding to purchase shares with exercise price below company stock price			5,500,000
Options outstanding to purchase shares with exercise price below company stock price, intrinsic value			$ 242
Aggregate intrinsic value of options exercised under the Company's stock option plan			283	247	211
Aggregate value of restricted stock awards vested			170	89	71
Grant-date fair value of the shares underlying the RSU awards			$ 125	$ 95	$ 74
Number of assumed SARs outstanding			600,000
Stock Appreciation Right outstanding, weighted average exercise price			$ 7.92
Weighted average expected term of the Company's stock options			5 years 9 months 11 days	5 years	4 years
Additional common stock authorized for repurchase						$ 2,000				$ 3,000
Repurchase of common stock			$ 970	$ 816	$ 842
Remaining amount available under repurchase program				$ 2,200
Cash dividends declared per share			$ 1.80
Total common stock dividends			$ 418
Common stock dividends paid			$ 302
Restricted Stock Units (RSUs) [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding restricted stock or other awards			3,000,000	3,700,000	3,600,000				3,700,000
Restricted stock number of share granted			1,300,000	1,400,000	1,700,000
Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting periods of RSUs			1 year
Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting periods of RSUs			4 years
Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Repurchase of common stock	$ 60
Cash dividends declared per share		$ 0.50
Treasury Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Company repurchased shares of its common stock			9,600,000
Repurchase of common stock			$ 970	$ 816	$ 842
Treasury Stock [Member] | Subsequent Event [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Company repurchased shares of its common stock	700,000
Dividends Accrued in 2014 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments of dividends			$ 94