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CAPITAL STOCK (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2014 | Jul. 31, 2014 | Apr. 30, 2014 | Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012
Changes in common stock |  |  |  |  |  |  |  |  |  |  |
Common stock, beginning of period (in shares) |  |  |  | 536,431,204 us-gaap_CommonStockSharesIssued |  |  |  | 536,400,000 us-gaap_CommonStockSharesIssued | 536,431,204 us-gaap_CommonStockSharesIssued | 536,400,000 us-gaap_CommonStockSharesIssued | 536,400,000 us-gaap_CommonStockSharesIssued
Common stock, end of period (in shares) | 536,431,204 us-gaap_CommonStockSharesIssued |  |  |  | 536,431,204 us-gaap_CommonStockSharesIssued |  |  |  | 536,431,204 us-gaap_CommonStockSharesIssued | 536,431,204 us-gaap_CommonStockSharesIssued | 536,400,000 us-gaap_CommonStockSharesIssued
Common stock, beginning of period |  |  |  | $ 3,524.2 us-gaap_CommonStockValue |  |  |  | $ 3,352.0 us-gaap_CommonStockValue | $ 3,524.2 us-gaap_CommonStockValue | $ 3,352.0 us-gaap_CommonStockValue | $ 3,252.0 us-gaap_CommonStockValue
Stock options and other |  |  |  |  |  |  |  |  | 151 de_CommonStockValueFromStockOptionsAndOther | 172 de_CommonStockValueFromStockOptionsAndOther | 100 de_CommonStockValueFromStockOptionsAndOther
Common stock, end of period | 3,675.4 us-gaap_CommonStockValue |  |  |  | 3,524.2 us-gaap_CommonStockValue |  |  |  | 3,675.4 us-gaap_CommonStockValue | 3,524.2 us-gaap_CommonStockValue | 3,352.0 us-gaap_CommonStockValue
Common stock, authorized (in shares) | 1,200,000,000 us-gaap_CommonStockSharesAuthorized |  |  |  | 1,200,000,000 us-gaap_CommonStockSharesAuthorized |  |  |  | 1,200,000,000 us-gaap_CommonStockSharesAuthorized | 1,200,000,000 us-gaap_CommonStockSharesAuthorized |
Preferred stock, authorized (in shares) | 9,000,000 us-gaap_PreferredStockSharesAuthorized |  |  |  |  |  |  |  | 9,000,000 us-gaap_PreferredStockSharesAuthorized |  |
Preferred stock, issued (in shares) | 0 us-gaap_PreferredStockSharesIssued |  |  |  |  |  |  |  | 0 us-gaap_PreferredStockSharesIssued |  |
Common stock repurchase plans |  |  |  |  |  |  |  |  |  |  |
Repurchase of common stock shares, December 2013 plan maximum authorization (in dollars) | 8,000 us-gaap_StockRepurchaseProgramAuthorizedAmount1 |  |  |  |  |  |  |  | 8,000 us-gaap_StockRepurchaseProgramAuthorizedAmount1 |  |
Repurchase of common stock shares, December 2013 plan maximum authorization (in shares) | 93,500,000 us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased |  |  |  |  |  |  |  | 93,500,000 us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased |  |
Closing common stock price (in dollars per share) | $ 85.54 us-gaap_SharePrice |  |  |  |  |  |  |  | $ 85.54 us-gaap_SharePrice |  |
Common stock shares remaining to be repurchased under repurchase plan (in dollars) | 6,230 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 |  |  |  |  |  |  |  | 6,230 us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1 |  |
Common stock shares remaining to be repurchased under repurchase plan (in shares) | 72,800,000 us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased |  |  |  |  |  |  |  | 72,800,000 us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased |  |
Reconciliation of Basic and Diluted Net Income Per Share |  |  |  |  |  |  |  |  |  |  |
Net income attributable to Deere & Company (in dollars) | 649.0 us-gaap_NetIncomeLoss | 851.0 us-gaap_NetIncomeLoss | 981.0 us-gaap_NetIncomeLoss | 681.0 us-gaap_NetIncomeLoss | 807.0 us-gaap_NetIncomeLoss | 996.0 us-gaap_NetIncomeLoss | 1,084.0 us-gaap_NetIncomeLoss | 650.0 us-gaap_NetIncomeLoss | 3,161.7 us-gaap_NetIncomeLoss | 3,537.3 us-gaap_NetIncomeLoss | 3,064.7 us-gaap_NetIncomeLoss
Less income allocable to participating securities (in dollars) |  |  |  |  |  |  |  |  | 1.0 us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic | 0.9 us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic | 0.8 us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
Income allocable to common stock (in dollars) |  |  |  |  |  |  |  |  | $ 3,160.7 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 3,536.4 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | $ 3,063.9 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Average shares outstanding |  |  |  |  |  |  |  |  | 363,000,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 385,300,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 397,100,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Basic per share (in dollars per share) | $ 1.84 us-gaap_EarningsPerShareBasic | $ 2.35 us-gaap_EarningsPerShareBasic | $ 2.67 us-gaap_EarningsPerShareBasic | $ 1.83 us-gaap_EarningsPerShareBasic | $ 2.13 us-gaap_EarningsPerShareBasic | $ 2.58 us-gaap_EarningsPerShareBasic | $ 2.79 us-gaap_EarningsPerShareBasic | $ 1.67 us-gaap_EarningsPerShareBasic | $ 8.71 us-gaap_EarningsPerShareBasic | $ 9.18 us-gaap_EarningsPerShareBasic | $ 7.72 us-gaap_EarningsPerShareBasic
Diluted Earnings Per Share |  |  |  |  |  |  |  |  |  |  |
Average shares outstanding |  |  |  |  |  |  |  |  | 363,000,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 385,300,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 397,100,000 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Effect of dilutive stock options (in shares) |  |  |  |  |  |  |  |  | 3,100,000 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 3,900,000 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 4,400,000 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
Total potential shares outstanding |  |  |  |  |  |  |  |  | 366,100,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 389,200,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 401,500,000 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Diluted per share (in dollars per share) | $ 1.83 us-gaap_EarningsPerShareDiluted | $ 2.33 us-gaap_EarningsPerShareDiluted | $ 2.65 us-gaap_EarningsPerShareDiluted | $ 1.81 us-gaap_EarningsPerShareDiluted | $ 2.11 us-gaap_EarningsPerShareDiluted | $ 2.56 us-gaap_EarningsPerShareDiluted | $ 2.76 us-gaap_EarningsPerShareDiluted | $ 1.65 us-gaap_EarningsPerShareDiluted | $ 8.63 us-gaap_EarningsPerShareDiluted | $ 9.09 us-gaap_EarningsPerShareDiluted | $ 7.63 us-gaap_EarningsPerShareDiluted
Antidilutive incremental shares related to share-based compensation excluded from computation of earnings per share |  |  |  |  |  |  |  |  | 2,400,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 2,400,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount | 1,800,000 us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount

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Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration