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Consolidated Statements of Stockholders' Equity Statement - USD ($) shares in Millions, $ in Millions | Total | Common Stock | Additional Paid-in Capital | Former Parent Company Investment | (Accumulated Deficit) Retained Earnings | (Accumulated Deficit) Retained Earnings Everett SpinCo, Inc. | (Accumulated Deficit) Retained Earnings Seattle SpinCo, Inc. | Accumulated Other Comprehensive Loss | Accumulated Other Comprehensive Loss Everett SpinCo, Inc. | Accumulated Other Comprehensive Loss Seattle SpinCo, Inc. | Equity Attributable to the Company | Equity Attributable to the Company Everett SpinCo, Inc. | Equity Attributable to the Company Seattle SpinCo, Inc. | Non- controlling Interests | Non- controlling Interests Everett SpinCo, Inc. | Total Equity | Total Equity Everett SpinCo, Inc. | Total Equity Seattle SpinCo, Inc.
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance at Oct. 31, 2015 |  |  | $ 0 | $ 0 | $ 38,550 | $ 0 |  |  | $ (5,015) |  |  | $ 33,535 |  |  | $ 383 |  | $ 33,918 |  |
Balance (in shares) at Oct. 31, 2015 |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Separation-related adjustments |  |  |  |  | (1,236) |  |  |  |  |  |  | (1,236) |  |  |  |  | (1,236) |  |
Issuance of common stock and reclassification of former Parent company investment (in shares) |  |  | 1,803,719 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock and reclassification of former Parent company investment |  |  | $ 18 | 37,296 | (37,314) |  |  |  |  |  |  | 0 |  |  |  |  | 0 |  |
Net earnings |  | $ 3,161 |  |  |  | 3,161 |  |  |  |  |  | 3,161 |  |  | 33 |  | 3,194 |  |
Other comprehensive income (loss) |  | (1,584) |  |  |  |  |  |  | (1,584) |  |  | (1,584) |  |  |  |  | (1,584) |  |
Comprehensive income |  | 1,577 |  |  |  |  |  |  |  |  |  | 1,577 |  |  | 33 |  | 1,610 |  |
Issuance of common stock in connection with employee stock plans and other (in shares) |  |  | 20,374 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock in connection with employee stock plans and other |  |  |  | 15 |  |  |  |  |  |  |  | 15 |  |  |  |  | 15 |  |
Repurchases of common stock (in shares) |  |  | (157,761) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock |  |  | $ (1) | (2,661) |  |  |  |  |  |  |  | (2,662) |  |  |  |  | (2,662) |  |
Tax benefit from employee stock plans |  |  |  | 1 |  |  |  |  |  |  |  | 1 |  |  |  |  | 1 |  |
Cash dividends declared |  |  |  |  |  | (379) |  |  |  |  |  | (379) |  |  |  |  | (379) |  |
Stock-based compensation expense |  |  |  | 597 |  |  |  |  |  |  |  | 597 |  |  |  |  | 597 |  |
Changes in non-controlling interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (9) |  | (9) |  |
MphasiS divestiture |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (337) |  | (337) |  |
Balance at Oct. 31, 2016 |  |  | $ 17 | 35,248 | 0 | 2,782 |  |  | (6,599) |  |  | 31,448 |  |  | 70 |  | 31,518 |  |
Balance (in shares) at Oct. 31, 2016 |  |  | 1,666,332 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transaction |  |  |  |  |  |  | $ (3,671) | $ (6,182) |  | $ 2,579 | $ 151 |  | $ (1,092) | $ (6,031) |  | $ (30) |  | $ (1,122) | $ (6,031)
Net earnings |  | 344 |  |  |  | 344 |  |  |  |  |  | 344 |  |  | (1) |  | 343 |  |
Other comprehensive income (loss) |  | 974 |  |  |  |  |  |  | 974 |  |  | 974 |  |  |  |  | 974 |  |
Comprehensive income |  | 1,318 |  |  |  |  |  |  |  |  |  | 1,318 |  |  | (1) |  | 1,317 |  |
Issuance of common stock in connection with employee stock plans and other (in shares) |  |  | 66,618 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock in connection with employee stock plans and other |  |  |  | 75 |  |  |  |  |  |  |  | 75 |  |  |  |  | 75 |  |
Repurchases of common stock (in shares) |  |  | (137,789) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock |  |  | $ (1) | (2,497) |  | (82) |  |  |  |  |  | (2,580) |  |  |  |  | (2,580) |  |
Tax benefit from employee stock plans |  |  |  | 137 |  |  |  |  |  |  |  | 137 |  |  |  |  | 137 |  |
Cash dividends declared |  |  |  |  |  | (429) |  |  |  |  |  | (429) |  |  |  |  | (429) |  |
Stock-based compensation expense |  |  |  | 620 |  |  |  |  |  |  |  | 620 |  |  |  |  | 620 |  |
Balance at Oct. 31, 2017 |  | $ 23,505 | $ 16 | 33,583 | 0 | (7,238) |  |  | (2,895) |  |  | 23,466 |  |  | 39 |  | 23,505 |  |
Balance (in shares) at Oct. 31, 2017 |  | 1,595 | 1,595,161 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to reduce deferred tax asset |  | $ 186 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Transaction |  |  |  |  |  | 164 |  |  | (186) |  |  | (22) |  |  |  |  | (22) |  |
Net earnings |  | 1,908 |  |  |  | 1,908 |  |  |  |  |  | 1,908 |  |  | (4) |  | 1,904 |  |
Other comprehensive income (loss) |  | (137) |  |  |  |  |  |  | (137) |  |  | (137) |  |  |  |  | (137) |  |
Comprehensive income |  | 1,771 |  |  |  |  |  |  |  |  |  | 1,771 |  |  | (4) |  | 1,767 |  |
Issuance of common stock in connection with employee stock plans and other (in shares) | [1] |  | 50,369 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock in connection with employee stock plans and other | [1] |  |  | 27 |  |  |  |  |  |  |  | 27 |  |  |  |  | 27 |  |
Repurchases of common stock (in shares) |  |  | (222,227) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repurchases of common stock |  |  | $ (2) | (3,577) |  | 0 |  |  |  |  |  | (3,579) |  |  |  |  | (3,579) |  |
Cash dividends declared |  |  |  |  |  | (733) |  |  |  |  |  | (733) |  |  |  |  | (733) |  |
Stock-based compensation expense |  |  |  | 309 |  |  |  |  |  |  |  | 309 |  |  |  |  | 309 |  |
Balance at Oct. 31, 2018 |  | $ 21,274 | $ 14 | 30,342 | $ 0 | $ (5,899) |  |  | $ (3,218) |  |  | $ 21,239 |  |  | $ 35 |  | $ 21,274 |  |
Balance (in shares) at Oct. 31, 2018 |  | 1,423 | 1,423,303 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Adjustment to reduce deferred tax asset |  | $ 101 |  | $ 55 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
[1] | In fiscal 2018, the Company recorded an adjustment of $55 million to reduce a deferred tax asset established in connection with the Separation as a reduction to Additional paid-in capital in the Consolidated Statement of Stockholders' Equity.

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- Definition Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 55 -Paragraph 4I -URI http://asc.fasb.org/extlink&oid=84234705&loc=SL4590271-111686 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4568740-111683 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=96868048&loc=SL4568447-111683 + Details
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- Definition The change in equity as a result of a spin-off transaction (a regular or reverse spin-off) which is based on the recorded amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 60 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6406278&loc=d3e26268-112671 + Details
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