PENSION AND OTHER POSTRETIREMENT BENEFITS (Details 2) (USD $) In Millions, unless otherwise specified	12 Months Ended
Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Deere & Company
Retirement Benefits Adjustments Included in Other Comprehensive (Income) Loss:
Total (gain) loss recognized in other comprehensive (income) loss	$ 961	$ 539	$ (261)
Pensions
Benefit Plan Costs Recognized in Other Comprehensive Income
Net cost	160	91	104
Pensions \| Deere & Company
Benefit Plan Costs Recognized in Other Comprehensive Income
Net cost	160	91	104
Retirement Benefits Adjustments Included in Other Comprehensive (Income) Loss:
Net actuarial losses (gains)	999	848	227
Prior service cost (credit)	5	9	14
Amortization of actuarial (losses) gains	(202)	(148)	(113)
Amortization of prior service (cost) credit	(47)	(46)	(42)
Settlements/curtailments	(10)	(1)	(24)
Total (gain) loss recognized in other comprehensive (income) loss	745	662	62
Total recognized in comprehensive (income) loss	905	753	166
Health Care and Life Insurance
Benefit Plan Costs Recognized in Other Comprehensive Income
Net cost	351	512	554
Health Care and Life Insurance \| Deere & Company
Benefit Plan Costs Recognized in Other Comprehensive Income
Net cost	351	512	554
Retirement Benefits Adjustments Included in Other Comprehensive (Income) Loss:
Net actuarial losses (gains)	335	132	(28)
Prior service cost (credit)	2
Amortization of actuarial (losses) gains	(136)	(271)	(311)
Amortization of prior service (cost) credit	15	16	16
Total (gain) loss recognized in other comprehensive (income) loss	216	(123)	(323)
Total recognized in comprehensive (income) loss	$ 567	$ 389	$ 231

Amount recognized in net periodic benefit cost and other comprehensive income.

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The total amount of net periodic benefit cost for defined benefit plans for the period. Periodic benefit costs include the following components: service cost, interest cost, expected return on plan assets, gain (loss), prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments.

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Before tax amount of the benefit improvement costs resulting from a plan amendment that occurred that has not been recognized in net periodic benefit cost.

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Before tax amount of the income statement impact of the reclassification adjustment for prior service costs recognized as a component of net period benefit cost.

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Before tax amount of the gain (loss) adjustment to other comprehensive income (loss) resulting from the settlement or curtailment of the entity's defined benefit pension and other postretirement plans.

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Before tax amount, net of reclassifications, of pension and other postretirement benefit plans (gain) loss included in accumulated other comprehensive income.

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Before tax amount of the (increase) decrease in the value of the projected benefit obligation and the increase (decrease) in the value of the plan assets resulting from experience different from that assumed or from a change in an actuarial assumption that has not been recognized in net periodic benefit cost.

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