Quarterly Results of Operations Supplemental Quarterly Results (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended								12 Months Ended
	Jun. 29, 2018	Mar. 30, 2018	Dec. 29, 2017	Sep. 29, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 30, 2016	Sep. 30, 2016	Jun. 29, 2018	Jun. 30, 2017	Jul. 01, 2016
Quarterly Financial Information Disclosure [Abstract]
Revenue, net	$ 5,117	$ 5,013	$ 5,336	$ 5,181	$ 4,842	$ 4,649	$ 4,888	$ 4,714	$ 20,647	$ 19,093	$ 12,994
Gross profit	1,852	1,927	2,013	1,913	1,681	1,523	1,533	1,335	7,705	6,072	3,435
Operating income (loss)	843	914	955	905	652	525	545	232	3,617	1,954	466
Net income (loss)	$ 756	$ 61	$ (823)	$ 681	$ 280	$ 248	$ 235	$ (366)	$ 675	$ 397	$ 242
Basic (in dollars per share)	$ 2.53	$ 0.20	$ (2.78)	$ 2.31	$ 0.96	$ 0.86	$ 0.82	$ (1.28)	$ 2.27	$ 1.38	$ 1.01
Diluted (in dollars per share)	$ 2.46	$ 0.20	$ (2.78)	$ 2.23	$ 0.93	$ 0.83	$ 0.80	$ (1.28)	$ 2.20	$ 1.34	$ 1.00