Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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No definition available.

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- Definition

Amount of cumulative increase (decrease) in fair value of hedged liability in fair value hedge, attributable to hedged risk.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4EE
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL109999712-113959

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Risk Management - Effect of Derivative Contracts on the Income Statement (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(loss) recognized in income on derivative and related hedged item	$ 64	$ 7	$ 168	$ 30
Derivatives designated as hedging instruments \| Derivatives in fair value hedging relationships \| Interest rate contracts \| Interest, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(loss) recognized in income on derivative and related hedged item	26	208	459	336
Derivatives designated as hedging instruments \| Derivatives in fair value hedging relationships \| Hedged fixed rate debt
Derivative Instruments, Gain (Loss) [Line Items]
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	827		827
Derivatives designated as hedging instruments \| Derivatives in fair value hedging relationships \| Hedged fixed rate debt \| Interest, net
Derivative Instruments, Gain (Loss) [Line Items]
Gain/(loss) recognized in income on derivative and related hedged item	$ (28)	$ (211)	$ (468)	$ (349)