Shareholders' Equity (Equity Incentive Award Plans) (Details) - Employee Stock Option [Member] - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Oct. 29, 2017	Oct. 30, 2016	Nov. 01, 2015
Option Awards Outstanding:
Beginning balance	15	21	29
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross			1
Exercised	(4)	(5)	(7)
Cancelled	(1)	(1)	(2)
Ending balance	10	15	21
Vested, number outstanding	9
Vested and expected to vest, number outstanding	10
Option Awards Outstanding, Weighted-average Exercise Price:
Beginning balance (in dollars per share)	$ 48.77	$ 47.92	$ 44.97
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price			95.97
Exercised (in dollars per share)	45.48	44.35	34.40
Cancelled (in dollars per share)	66.08	53.56	65.32
Ending balance (in dollars per share)	49.54	$ 48.77	$ 47.92
Vested, weighted-average exercise price per share (in dollars per share)	46.49
Vested and expected to vest, weighted-average exercise price per share (in dollars per share)	$ 49.54
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 682	$ 579	$ 571
Additional Option Disclosures:
Outstanding, weighted-average remaining contractual life	2 years 10 months 7 days
Outstanding, aggregate intrinsic value	$ 2,112
Vested, weighted-average remaining contractual life	2 years 9 months
Vested, aggregate intrinsic value	$ 1,847
Vested and expected to vest, weighted-average remaining contractual life	2 years 10 months 7 days
Vested and expected to vest, aggregate intrinsic value	$ 2,112
Total unrecognized compensation cost, time and market based options	$ 17
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition	8 months 12 days