Segment Information - Segment Operating Results from Continuing Operations (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2017	Jan. 31, 2016
Segment Information
Net revenue	$ 12,684	$ 12,246
Earnings (loss) from operations	856	928
Operating segments
Segment Information
Net revenue	12,709	12,112
Earnings (loss) from operations	1,006	993
Operating segments | Personal Systems
Segment Information
Net revenue	8,224	7,467
Earnings (loss) from operations	313	229
Operating segments | Printing
Segment Information
Net revenue	4,483	4,642
Earnings (loss) from operations	716	787
Operating segments | Corporate Investments
Segment Information
Net revenue	2	3
Earnings (loss) from operations	(23)	(23)
Intersegment Eliminations and Other
Segment Information
Net revenue	$ (25)	$ 134