v3.8.0.1

Segment Information - Segment Operating Results from Continuing Operations (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2018 | Apr. 30, 2017 | Apr. 30, 2018 | Apr. 30, 2017
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | $ 7,468 | $ 6,808 | $ 15,142 | $ 13,710
Segment earnings (loss) from continuing operations | 397 | 195 | 658 | 648
Intersegment net revenue and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 181 | 307 | 345 | 553
Operating Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 7,649 | 7,115 | 15,487 | 14,263
Segment earnings (loss) from continuing operations | 717 | 552 | 1,394 | 1,344
Hybrid IT |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 5,851 | 5,348 | 12,027 | 10,884
Hybrid IT | Intersegment net revenue and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 172 | 289 | 327 | 508
Hybrid IT | Operating Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 6,023 | 5,637 | 12,354 | 11,392
Segment earnings (loss) from continuing operations | 621 | 457 | 1,229 | 1,190
Intelligent Edge |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 703 | 595 | 1,316 | 1,157
Intelligent Edge | Intersegment net revenue and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 7 | 11 | 14 | 19
Intelligent Edge | Operating Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 710 | 606 | 1,330 | 1,176
Segment earnings (loss) from continuing operations | 46 | 46 | 64 | 62
Financial Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 914 | 865 | 1,800 | 1,669
Financial Services | Intersegment net revenue and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 2 | 7 | 4 | 26
Financial Services | Operating Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 916 | 872 | 1,804 | 1,695
Segment earnings (loss) from continuing operations | 72 | 77 | 144 | 153
Corporate Investments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 0 | 0 | (1) | 0
Corporate Investments | Intersegment net revenue and other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 0 | 0 | 0 | 0
Corporate Investments | Operating Segment |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net revenue | 0 | 0 | (1) | 0
Segment earnings (loss) from continuing operations | $ (22) | $ (28) | $ (43) | $ (61)

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