Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

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

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

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Derivatives and Hedging Activities 1 (Details) - Fair Value Hedging [Member] - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Other Expense [Member]
Derivative Instruments, Gains (Losses) [Line Items]
Fixed-rate long-term debt		$ (11)		$ (40)
Derivatives designated as hedging instruments		20		11
Total		$ 9		$ (29)
Interest Expense [Member]
Derivative Instruments, Gains (Losses) [Line Items]
Fixed-rate long-term debt	$ (4)		$ 123
Derivatives designated as hedging instruments	2		(113)
Total	$ (2)		$ 10