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

v3.7.0.1

Derivatives - Derivatives Designated as Accounting Hedges - Fair Value Hedges (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	$ (604)	$ 3,351
Hedged Item	390	(3,570)
Hedge Ineffectiveness	(214)	(219)
Interest rate risk on long-term debt \| Interest expense
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	(750)	2,661
Hedged Item	566	(2,854)
Hedge Ineffectiveness	(184)	(193)
Interest rate and foreign currency risk on long-term debt \| Interest expense
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	123	839
Hedged Item	(133)	(846)
Hedge Ineffectiveness	(10)	(7)
Interest rate risk on AFS securities \| Interest income
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	17	(151)
Hedged Item	(37)	132
Hedge Ineffectiveness	(20)	(19)
Price risk on commodity inventory \| Trading gain (loss)
Effect of Fair Value Hedges on Results of Operations [Abstract]
Derivative	6	2
Hedged Item	(6)	$ (2)
Hedge Ineffectiveness	$ 0

- 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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- References

No definition available.

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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=64837297&loc=SL5624171-113959

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