Financial Instruments (Details 4) (USD $) In Millions, unless otherwise specified	Jan. 31, 2014	Oct. 31, 2013
Derivative assets
Gross Amount Recognized	$ 700	$ 452
Net Amount Presented	700	452
Gross Amounts Not Offset
Derivatives	363	372
Financial Collateral	180	30
Net Amount	157	50
Derivative liabilities
Gross Amount Recognized	572	656
Net Amount Presented	572	656
Gross Amounts Not Offset
Derivatives	363	372
Financial Collateral	155	283
Net Amount	54	1
Cash posted as collateral to counterparties through reuse	62	30
Cash posted as collateral to counterparties in cash	$ 93	$ 253

The amount of cash collateral posted to counterparties in cash under collateral security arrangements.

No definition available.

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- Definition

The amount of cash collateral posted to counterparties through re-use of cash collateral received from counterparty under collateral security arrangements.

+ References

No definition available.

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- Definition

Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 10

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-Publisher FASB

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-Publisher FASB

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-Publisher FASB

-Name Accounting Standards Codification

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- Definition

Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

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-Publisher FASB

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-Paragraph 8

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- Definition

Amount of obligation to return securities collateral under master netting arrangements that have not been offset against derivative assets.

+ References

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- Definition

Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities.

+ References

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Amount of right to receive securities collateral under master netting arrangements that have not been offset against derivative liabilities.

+ References

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- Definition

Fair value before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

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-Paragraph 7

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Fair value of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 20

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-Paragraph 3

-Subparagraph (e)

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Fair value before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

+ References

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Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against the right to receive collateral. Includes liabilities not subject to a master netting arrangement and not elected to be offset.

+ References

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Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

+ References

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