Retirement and Post-Retirement Benefit Plans (Tables)

12 Months Ended

Oct. 31, 2011

Retirement and Post-Retirement Benefit Plans

Fair value of plan assets and projected benefit obligations for U.S. defined benefit plans and DPSP

		2011				2010
		Plan Assets		Projected Benefit Obligation		Plan Assets		Projected Benefit Obligation
		In millions
U.S. defined benefit plans		$	10,662	$	11,945	$	9,427	$	10,902
DPSP			945		945		927		927
	Total	$	11,607	$	12,890	$	10,354	$	11,829

Net pension and post-retirement benefit cost (gain)

		U.S. Defined Benefit Plans									Non-U.S. Defined Benefit Plans									Post-Retirement Benefit Plans
		2011			2010			2009			2011			2010			2009			2011			2010			2009
		In millions
Service cost		$	1		$	1		$	27		$	343		$	319		$	312		$	9		$	12		$	14
Interest cost			594			578			592			694			657			619			35			47			70
Expected return on plan assets			(744	)		(662	)		(533	)		(890	)		(756	)		(669	)		(37	)		(32	)		(32	)
Amortization and deferrals:
	Actuarial loss (gain)		33			27			(72	)		235			214			71			3			14			6
	Prior service benefit		—			—			—			(14	)		(11	)		(9	)		(83	)		(87	)		(78	)
Net periodic benefit cost			(116	)		(56	)		14			368			423			324			(73	)		(46	)		(20	)
	Curtailment (gain) loss		—			—			—			—			(6	)		5			—			(13	)		(2	)
	Settlement loss (gain)		3			7			(1	)		9			7			12			—			—			—
	Special termination benefits		—			—			—			16			29			55			—			—			—
Net benefit (gain) cost		$	(113	)	$	(49	)	$	13		$	393		$	453		$	396		$	(73	)	$	(59	)	$	(22	)

Weighted average assumptions used to calculate net benefit cost

	U.S. Defined Benefit Plans									Non-U.S. Defined Benefit Plans									Post-Retirement Benefit Plans
	2011			2010			2009			2011			2010			2009			2011			2010			2009
Discount rate		5.6	%		5.9	%		8.0	%		4.4	%		5.0	%		6.0	%		4.4	%		5.4	%		8.2	%
Average increase in compensation levels		2.0	%		2.0	%		2.0	%		2.5	%		2.5	%		2.6	%		—			—			—
Expected long-term return on assets		8.0	%		8.0	%		7.5	%		6.8	%		7.0	%		6.9	%		10.5	%		9.5	%		9.3	%

Funded status of the defined benefit and post-retirement benefit plans

		U.S. Defined Benefit Plans						Non-U.S. Defined Benefit Plans						Post-Retirement Benefit Plans
		2011			2010			2011			2010			2011			2010
		In millions
Change in fair value of plan assets:
	Fair value—beginning of year	$	9,427		$	8,371		$	12,760		$	11,325		$	374		$	352
	Acquisition/addition/(deletion) of plans		—			—			51			—			—			—
	Actual return on plan assets		1,389			1,224			20			1,430			56			56
	Employer contributions		279			290			458			482			24			25
	Participants' contributions		—			—			65			72			55			49
	Benefits paid		(424	)		(440	)		(450	)		(366	)		(115	)		(108	)
	Settlements		(9	)		(18	)		(49	)		(73	)		—			—
	Currency impact		—			—			325			(110	)		—			—
	Fair value—end of year		10,662			9,427			13,180			12,760			394			374
Change in benefit obligation:
	Projected benefit obligation—beginning of year	$	10,902		$	10,034		$	16,089		$	14,144		$	845		$	992
	Acquisition/addition/(deletion) of plans		—			—			36			5			9			—
	Service cost		1			1			343			319			9			12
	Interest cost		594			578			694			658			35			47
	Participants' contributions		—			—			65			72			55			49
	Actuarial loss (gain)		881			747			(632	)		1,514			(23	)		(120	)
	Benefits paid		(424	)		(440	)		(450	)		(366	)		(115	)		(109	)
	Plan amendments		—			—			(154	)		(26	)		—			(28	)
	Curtailment		—			—			—			(12	)		—			—
	Settlement		(9	)		(18	)		(50	)		(73	)		—			—
	Special termination benefits		—			—			16			29			—			—
	Currency impact		—			—			371			(175	)		1			2
Projected benefit obligation—end of year			11,945			10,902			16,328			16,089			816			845
Plan assets less than benefit obligation			(1,283	)		(1,475	)		(3,148	)		(3,329	)		(422	)		(471	)
Net amount recognized		$	(1,283	)	$	(1,475	)	$	(3,148	)	$	(3,329	)	$	(422	)	$	(471	)
Accumulated benefit obligation		$	11,943		$	10,900		$	15,413		$	15,204

Net amounts recognized for defined benefit and post-retirement benefit plans in Consolidated Balance Sheets

	U.S. Defined Benefit Plans						Non-U.S. Defined Benefit Plans						Post-Retirement Benefit Plans
	2011			2010			2011			2010			2011			2010
	In millions
Non-current assets	$	—		$	—		$	418		$	95		$	—		$	—
Current liability		(32	)		(30	)		(43	)		(37	)		(30	)		(39	)
Non-current liability		(1,251	)		(1,445	)		(3,523	)		(3,387	)		(392	)		(432	)
Net amount recognized	$	(1,283	)	$	(1,475	)	$	(3,148	)	$	(3,329	)	$	(422	)	$	(471	)

Pretax net experience loss (gain) and prior service benefit recognized in accumulated other comprehensive (income) loss for defined benefit and post retirement plans

The following table summarizes the pretax net experience loss (gain) and prior service benefit recognized in accumulated other comprehensive (income) loss for the company's defined benefit and post-retirement benefit plans as of October 31, 2011.

	U.S. Defined Benefit Plans		Non-U.S. Defined Benefit Plans			Post-Retirement Benefit Plans
	In millions
Net experience loss (gain)	$	1,020	$	3,949		$	(48	)
Prior service benefit		—		(268	)		(349	)
Total recognized in accumulated other comprehensive loss (income)	$	1,020	$	3,681		$	(397	)

Amounts that will be amortized from accumulated other comprehensive income in next fiscal year

The following table summarizes the experience loss and prior service benefit that will be amortized from accumulated other comprehensive income and recognized as components of net periodic benefit cost (credit) during the next fiscal year.

	U.S. Defined Benefit Plans		Non-U.S. Defined Benefit Plans			Post-Retirement Benefit Plans
	In millions
Net experience loss	$	43	$	252		$	(4	)
Prior service benefit		—		(25	)		(87	)
Total to be recognized in accumulated other comprehensive loss (income)	$	43	$	227		$	(91	)

Weighted average assumptions used to calculate the benefit obligation

	U.S. Defined Benefit Plans						Non-U.S. Defined Benefit Plans						Post-Retirement Benefit Plans
	2011			2010			2011			2010			2011			2010
Discount rate		4.8	%		5.6	%		4.5	%		4.4	%		4.4	%		4.4	%
Average increase in compensation levels		2.0	%		2.0	%		2.5	%		2.5	%		—			—

Defined benefit plans with projected benefit obligations exceeding the fair value of plan assets

	U.S. Defined Benefit Plans				Non-U.S. Defined Benefit Plans
	2011		2010		2011		2010
	In millions
Aggregate fair value of plan assets	$	10,662	$	9,427	$	9,851	$	11,907
Aggregate projected benefit obligation	$	11,945	$	10,902	$	13,418	$	15,331

Defined benefit plans with accumulated benefit obligations exceeding the fair value of plan assets

	U.S. Defined Benefit Plans				Non-U.S. Defined Benefit Plans
	2011		2010		2011		2010
	In millions
Aggregate fair value of plan assets	$	10,662	$	9,427	$	8,465	$	10,529
Aggregate accumulated benefit obligation	$	11,943	$	10,900	$	11,323	$	13,140

Fair value of plan assets by asset category in the fair-value hierarchy

		U.S. Defined Benefit Plans											Non-U.S. Defined Benefit Plans									Post-Retirement Benefit Plans
		Level 1			Level 2			Level 3		Total			Level 1		Level 2		Level 3			Total		Level 1			Level 2		Level 3		Total
		In millions
Asset Category:
Equity securities
	U.S.	$	974		$	—		$	—	$	974		$	1,140	$	200	$	30		$	1,370	$	16		$	—	$	—	$	16
	Non-U.S.		850			—			—		850			4,066		354		—			4,420		7			—		—		7
Debt securities
	Corporate		—			3,031			—		3,031			2,254		694		3			2,951		—			22		—		22
	Government(1)		1,801			1,331			—		3,132			810		465		—			1,275		5			22		—		27
Alternative Investments
	Private Equities(2)		3			—			1,356		1,359			—		1		20			21		—			—		227		227
	Hybrids		—			—			4		4			—		790		—			790		—			—		1		1
	Hedge Funds		—			—			—		—			107		152		300			559		—			—		—		—
Real Estate Funds			—			—			—		—			349		138		199			686		—			—		—		—
Insurance Group Annuity Contracts			—			—			—		—			16		46		89			151		—			—		—		—
Common Collective Trusts and 103-12 Investment Entities			—			843			—		843			—		—		—			—		—			21		—		21
Registered Investment Companies(3)			206			375			—		581			—		—		—			—		69			7		—		76
Cash and Cash Equivalents(4)			(4	)		68			—		64			573		8		(4	)		577		—			2		—		2
Other(5)			(117	)		(59	)		—		(176	)		217		144		19			380		(5	)		—		—		(5	)
Total		$	3,713		$	5,589		$	1,360	$	10,662		$	9,532	$	2,992	$	656		$	13,180	$	92		$	74	$	228	$	394

⁽¹⁾

Includes debt issued by national, state and local governments and agencies.

⁽²⁾

Includes limited partnerships and venture capital partnerships.

⁽³⁾

Includes cash and cash equivalents, equities, and fixed income investments.

⁽⁴⁾

Includes cash and cash equivalents such as short-term marketable securities.

⁽⁵⁾

Includes international insured contracts, derivative instruments and unsettled transactions.

		U.S. Defined Benefit Plans								Non-U.S. Defined Benefit Plans								Post-Retirement Benefit Plans
		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3		Total
		In millions
Asset Category:
Equity securities
	U.S.	$	1,460	$	4	$	—	$	1,464	$	1,028	$	195	$	64	$	1,287	$	68	$	—	$	—	$	68
	Non-U.S.		1,193		—		—		1,193		5,265		652		—		5,917		40		—		—		40
Debt securities
	Corporate		—		2,931		—		2,931		2,031		887		6		2,924		—		57		—		57
	Government(1)		1,314		992		—		2,306		626		376		—		1,002		14		30		—		44
Alternative Investments
	Private Equities(2)		2		—		1,034		1,036		—		—		14		14		—		—		154		154
	Hybrids		—		—		6		6		3		18		—		21		—		—		1		1
	Hedge Funds		—		—		—		—		102		7		231		340		—		—		—		—
Real Estate Funds			—		—		—		—		363		171		225		759		—		—		—		—
Insurance Group Annuity Contracts			—		—		—		—		17		54		74		145		—		—		—		—
Cash and Cash Equivalents(3)			7		484		—		491		305		27		—		332		5		5		—		10
Other(4)			—		—		—		—		7		10		2		19		—		—		—		—
Total		$	3,976	$	4,411	$	1,040	$	9,427	$	9,747	$	2,397	$	616	$	12,760	$	127	$	92	$	155	$	374

⁽¹⁾

Includes debt issued by national, state and local governments and agencies.

⁽²⁾

Includes limited partnerships and venture capital partnerships.

⁽³⁾

Includes cash and cash equivalents such as short-term marketable securities.

⁽⁴⁾

Includes international insured contracts and unsettled transactions.

Changes in fair value measurements of Level 3 investments

	U.S. Defined Benefit Plans									Non-U.S. Defined Benefit Plans																										Post-Retirement Benefit Plans
	Alternative Investments									Equity			Debt Securities			Alternative Investments																				Alternative Investments
	Private Equities			Hybrids			Total			US Equities			Corporate Debt			Private Equities		Hedge Funds			Real Estate			Insurance Group Annuities			Cash			Other			Total			Private Equities		Hybrids		Total
	In millions
Beginning balance at October 31, 2010	$	1,034		$	6		$	1,040		$	64		$	6		$	14	$	231		$	225		$	74		$	—		$	2		$	616		$	154	$	1	$	155
Actual return on plan assets:
Relating to assets still held at the reporting date		127			—			127			30			—			3		(26	)		(26	)		17			—			—			(2	)		32		—		32
Relating to assets sold during the period		154			1			155			—			—			—		—			—			—			—			(1	)		(1	)		18		—		18
Purchases, sales, settlements (net)		(29	)		(1	)		(30	)		—			1			3		30			—			(18	)		—			(1	)		15			23		—		23
Transfers in and/or out of Level 3		70			(2	)		68			(64	)		(4	)		—		65			—			16			(4	)		19			28			—		—		—
Ending balance at October 31, 2011	$	1,356		$	4		$	1,360		$	30		$	3		$	20	$	300		$	199		$	89		$	(4	)	$	19		$	656		$	227	$	1	$	228

	U.S. Defined Benefit Plans							Non-U.S. Defined Benefit Plans																			Post-Retirement Benefit Plans
	Alternative Investments							Equity			Debt Securities		Alternative Investments														Alternative Investments
	Private Equities		Hybrids			Total		US Equities			Corporate Debt		Private Equities		Hedge Funds		Real Estate			Insurance Group Annuities			Other		Total		Private Equities		Hybrids			Total
	In millions
Beginning balance at October 31, 2009	$	911	$	20		$	931	$	—		$	—	$	10	$	49	$	219		$	74		$	2	$	354	$	135	$	3		$	138
Actual return on plan assets:
Relating to assets still held at the reporting date		—		—			—		(4	)		—		1		26		19			3			—		45		19		(2	)		17
Relating to assets sold during the period		—		—			—		—			—		—		8		3			(1	)		—		10		—		—			—
Purchases, sales, settlements (net)		123		(14	)		109		68			5		3		148		(16	)		(2	)		—		206		—		—			—
Transfers in and/or out of Level 3		—		—			—		—			1		—		—		—			—			—		1		—		—			—
Ending balance at October 31, 2010	$	1,034	$	6		$	1,040	$	64		$	6	$	14	$	231	$	225		$	74		$	2	$	616	$	154	$	1		$	155

Weighted average target and actual asset allocations

		U. S. Defined Benefit Plans									Non-U.S. Defined Benefit Plans									Post-Retirement Benefit Plans
					Plan Assets									Plan Assets									Plan Assets
		2011 Target Allocation									2011 Target Allocation									2011 Target Allocation
Asset Category					2011			2010						2011			2010						2011			2010
Public equity securities						23.0	%		28.2	%					48.2	%		57.6	%					12.2	%		28.9	%
Private equity securities						12.8	%		11.1	%					6.2	%		2.9	%					57.9	%		41.4	%
Real estate and other						(1.7	)%		—						8.1	%		6.1	%					(1.3	)%		—
Equity related investments			40.0	%		34.1	%		39.3	%		67.0	%		62.5	%		66.6	%		68.0	%		68.8	%		70.3	%
Public debt securities			60.0	%		63.3	%		55.5	%		31.1	%		33.2	%		30.8	%		30.0	%		27.6	%		27.0	%
Cash			—			2.6	%		5.2	%		1.9	%		4.3	%		2.6	%		2.0	%		3.6	%		2.7	%
	Total		100.0	%		100.0	%		100.0	%		100.0	%		100.0	%		100.0	%		100.0	%		100.0	%		100.0	%

Estimated future benefits payable

		U.S. Defined Benefit Plans		Non-U.S. Defined Benefit Plans		Post-Retirement Benefit Plans(1)
		In millions
Fiscal year ending October 31
	2012	$	490	$	450	$	72
	2013	$	489	$	443	$	67
	2014	$	505	$	477	$	66
	2015	$	534	$	506	$	64
	2016	$	576	$	552	$	63
Next five fiscal years to October 31, 2021		$	3,336	$	3,562	$	286

⁽¹⁾

The estimated future benefits payable for the post-retirement plans are reflected net of the expected Medicare Part D subsidy.