Guarantor Financial Statements Consolidated Statements of Operations with Guarantor Information (Details) - USD ($) $ in Millions	3 Months Ended													4 Months Ended				9 Months Ended		12 Months Ended
	Jul. 03, 2016	Sep. 27, 2015	[1]	Jul. 05, 2015		Apr. 12, 2015	[1]	Sep. 28, 2014	[1]	Jul. 06, 2014	[1]	Apr. 13, 2014	[1]	Jan. 18, 2015	[1]	Jan. 19, 2014	[1]	Jul. 03, 2016	Jul. 05, 2015	Sep. 27, 2015	Sep. 28, 2014	Sep. 29, 2013
Sales	$ 3,703	$ 3,438		$ 3,632	[1]	$ 3,647		$ 3,256		$ 3,377		$ 3,322		$ 4,671		$ 4,239		$ 12,227	$ 11,951	$ 15,389	$ 14,194	$ 12,917
Cost of goods sold and occupancy costs	2,417	2,252		2,339	[1]	2,337		2,102		2,163		2,131		3,045		2,754		8,010	7,721	9,973	9,150	8,288
Gross profit	1,286	1,186		1,293	[1]	1,310		1,154		1,214		1,191		1,626		1,485		4,217	4,230	5,416	5,044	4,629
Selling, general and administrative expenses	1,057	1,080		1,032	[1]	1,029		925		951		947		1,330		1,209		3,458	3,392	4,472	4,032	3,682
Pre-opening expenses	18	14		12	[1]	20		22		18		11		21		16		49	53	67	67	52
Relocation, store closure and lease termination costs	2	4		2	[1]	6		2		2		2		4		5		8	12	16	11	12
Operating income	209	88		247	[1]	255		205		243		231		271		255		702	773	861	934	883
Interest expense	(12)																	(30)
Investment and other income (expense)	(1)	4		5	[1]	4		2		4		2		3		4		8	12	17	12	11
Equity in net income of subsidiaries	0			0														0	0	0	0	0
Income before income taxes	196	92		252	[1]	259		207		247		233		274		259		680	785	878	946	894
Provision for income taxes	76	36		98	[1]	101		79		96		91		107		101		261	306	342	367	343
Net income	120	$ 56		154	[1]	$ 158		$ 128		$ 151		$ 142		$ 167		$ 158		419	479	536	579	551
Parent Company [Member]
Sales	0			0														0	0	0	0	0
Cost of goods sold and occupancy costs	0			0														0	0	0	0	0
Gross profit	0			0														0	0	0	0	0
Selling, general and administrative expenses	0			0														0	0	0	0	0
Pre-opening expenses	0			0														0	0	0	0	0
Relocation, store closure and lease termination costs	0			0														0	0	0	0	0
Operating income	0			0														0	0	0	0	0
Interest expense	(12)																	(30)
Investment and other income (expense)	0			0														0	0	0	0	0
Equity in net income of subsidiaries	127			154														437	479	536	579	551
Income before income taxes	115			154														407	479	536	579	551
Provision for income taxes	(5)			0														(12)	0	0	0	0
Net income	120			154														419	479	536	579	551
Guarantor Subsidiaries [Member]
Sales	3,511			3,439														11,606	11,305	14,565	13,408	12,167
Cost of goods sold and occupancy costs	2,293			2,214														7,611	7,299	9,433	8,648	7,809
Gross profit	1,218			1,225														3,995	4,006	5,132	4,760	4,358
Selling, general and administrative expenses	996			971														3,262	3,185	4,182	3,780	3,450
Pre-opening expenses	17			12														44	51	65	60	46
Relocation, store closure and lease termination costs	2			2														8	11	15	10	12
Operating income	203			240														681	759	870	910	850
Interest expense	0																	0
Investment and other income (expense)	(1)			5														8	11	16	10	10
Equity in net income of subsidiaries	3			2														8	8	9	11	11
Income before income taxes	205			247														697	778	895	931	871
Provision for income taxes	79			95														265	300	345	357	330
Net income	126			152														432	478	550	574	541
Non-Guarantor Subsidiaries [Member]
Sales	229			229														741	770	968	920	897
Cost of goods sold and occupancy costs	160			160														516	542	679	632	624
Gross profit	69			69														225	228	289	288	273
Selling, general and administrative expenses	61			61														196	207	290	252	232
Pre-opening expenses	1			0														5	2	2	7	6
Relocation, store closure and lease termination costs	0			0														0	1	1	1	0
Operating income	7			8														24	18	(4)	28	35
Interest expense	0																	0
Investment and other income (expense)	(1)			(1)														(4)	(2)	(3)	(2)	(1)
Equity in net income of subsidiaries	8			13														23	31	38	48	52
Income before income taxes	14			20														43	47	31	74	86
Provision for income taxes	2			3														8	6	(3)	10	13
Net income	12			17														35	41	34	64	73
Eliminations [Member]
Sales	(37)			(36)														(120)	(124)	(144)	(134)	(147)
Cost of goods sold and occupancy costs	(36)			(35)														(117)	(120)	(139)	(130)	(145)
Gross profit	(1)			(1)														(3)	(4)	(5)	(4)	(2)
Selling, general and administrative expenses	0			0														0	0	0	0	0
Pre-opening expenses	0			0														0	0	0	0	0
Relocation, store closure and lease termination costs	0			0														0	0	0	0	0
Operating income	(1)			(1)														(3)	(4)	(5)	(4)	(2)
Interest expense	0																	0
Investment and other income (expense)	1			1														4	3	4	4	2
Equity in net income of subsidiaries	(138)			(169)														(468)	(518)	(583)	(638)	(614)
Income before income taxes	(138)			(169)														(467)	(519)	(584)	(638)	(614)
Provision for income taxes	0			0														0	0	0	0	0
Net income	$ (138)			$ (169)														$ (467)	$ (519)	$ (584)	$ (638)	$ (614)

[1] Sum of quarterly amounts, including per share amounts, may not equal fiscal year totals due to the effect of rounding and the independent quarterly computation of per share amounts.