v3.7.0.1

Goodwill and Intangible Assets - Intangibles (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016 | Oct. 31, 2016
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets, gross | $ 6,353 |  | $ 6,353 |  | $ 5,762
Amortizable intangible assets, accumulated amortization | (1,710) |  | (1,710) |  | (1,575)
Finite-lived Intangible Assets, Accumulated Impairment Losses |  |  | (3,103) |  | (3,103)
Total Intangible Assets- Net | 1,540 |  | 1,540 |  | 1,084
Amortizable intangible assets, net | 1,455 |  | 1,455 |  |
Fully amortized intangibles | 73 |  | 73 |  |
Amortization of intangible assets | 107 | $ 101 | 208 | $ 220 |
SGI |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets, gross | 579 |  | 579 |  |
In-process research and development |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortizable intangible assets, gross | 85 |  | 85 |  | 0
Amortizable intangible assets, accumulated amortization | 0 |  | 0 |  | 0
Finite-lived Intangible Assets, Accumulated Impairment Losses |  |  | 0 |  | 0
Amortizable intangible assets, net | 85 |  | 85 |  | 0
In-process research and development | SGI |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Intangible assets, gross | 85 |  | 85 |  |
Customer contracts, customer lists and distribution agreements |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortizable intangible assets, gross | 1,488 |  | 1,488 |  | 1,394
Amortizable intangible assets, accumulated amortization | (305) |  | (305) |  | (322)
Finite-lived Intangible Assets, Accumulated Impairment Losses |  |  | (856) |  | (856)
Amortizable intangible assets, net | 327 |  | 327 |  | 216
Developed and core technology and patents |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortizable intangible assets, gross | 4,565 |  | 4,565 |  | 4,190
Amortizable intangible assets, accumulated amortization | (1,378) |  | (1,378) |  | (1,232)
Finite-lived Intangible Assets, Accumulated Impairment Losses |  |  | (2,138) |  | (2,138)
Amortizable intangible assets, net | 1,049 |  | 1,049 |  | 820
Trade name and trademarks |  |  |  |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |
Amortizable intangible assets, gross | 215 |  | 215 |  | 178
Amortizable intangible assets, accumulated amortization | (27) |  | (27) |  | (21)
Finite-lived Intangible Assets, Accumulated Impairment Losses |  |  | (109) |  | (109)
Amortizable intangible assets, net | $ 79 |  | $ 79 |  | $ 48

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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