Fair Value Measurements, Derivative Instruments and Hedging Activities - Offsetting Derivative Instruments (Details) (USD $) In Millions, unless otherwise specified	Nov. 30, 2014	Nov. 30, 2013
Fair Value Disclosures [Abstract]
Derivative assets, gross amount	$ 78	$ 137
Derivative assets, gross amounts offset in the Balance Sheet	(64)	(77)
Derivative assets, total net amounts presented in the Balance Sheet	14	60
Derivative assets, gross amounts not offset in the balance sheet	(14)	(7)
Derivative assets, net amount	0us-gaap_DerivativeAssets	53us-gaap_DerivativeAssets
Derivative liabilities, gross amount	342	108
Derivative liabilities, gross amounts offset in the Balance Sheet	(64)	(77)
Derivative liabilities, total net amounts presented in the Balance Sheet	278	31
Derivative liabilities, gross amounts not offset in the balance sheet	(14)	(7)
Derivative liabilities, net amount	$ 264us-gaap_DerivativeLiabilities	$ 24us-gaap_DerivativeLiabilities

Derivative, Collateral, Obligation to Return Securities and Cash

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Derivative, Collateral, Right to Reclaim Securities and Cash

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Fair value of liability associated with 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.

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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.

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Fair value, after offset of derivative liability, 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, before offset against an obligation to return collateral under a master netting arrangement. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value of asset associated with 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.

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