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Derivatives - Derivatives Designated as Accounting Hedges - Fair Value Hedges (Details)

v2.4.1.9

Derivatives - Derivatives Designated as Accounting Hedges - Fair Value Hedges (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	$ (494)	$ 488
Hedged Item	244	(702)
Hedge Ineffectiveness	(250)	(214)
Interest rate risk on long-term debt \| Interest expense
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	1,096	366
Hedged Item	(1,292)	(560)
Hedge Ineffectiveness	(196)	(194)
Interest rate and foreign currency risk on long-term debt \| Interest expense
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	(1,644)	118
Hedged Item	1,588	(144)
Hedge Ineffectiveness	(56)	(26)
Interest rate risk on AFS securities \| Interest income
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	43	2
Hedged Item	(45)	(3)
Hedge Ineffectiveness	(2)	(1)
Price risk on commodity inventory \| Trading gain (loss)
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	11	2
Hedged Item	(7)	5
Hedge Ineffectiveness	$ 4	$ 7

- Definition

Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 25

-Section 50

-Paragraph 1

-Subparagraph (a)(1)

-URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986

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- Definition

Amount of gain (loss)recognized in the income statement from the hedging ineffectiveness of a fair value hedge.

+ References

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- Definition

Total amount of gain (loss) derived from fair value hedges recognized in earnings in the period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 4C

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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