v3.10.0.1

Derivative Instruments - Effect of Derivative Contracts on Condensed Consolidated Statement of Income (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized from derivative contracts in the condensed consolidated statement of income	$ 14	$ (13)	$ (33)	$ 14
Foreign Exchange Contract | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized from derivative contracts in the condensed consolidated statement of income			(37)	28
Foreign Exchange Contract | Revenues | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized from derivative contracts in the condensed consolidated statement of income	12	(7)	(37)	(7)
Foreign Exchange Contract | Cost of Net Revenues and Operating Expenses | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized from derivative contracts in the condensed consolidated statement of income	0	0	0	11
Foreign Exchange Contract | Interest and Other, Net | Designated as Hedging Instrument | Cash Flow Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized from derivative contracts in the condensed consolidated statement of income	0	0	0	24
Foreign Exchange Contract | Interest and Other, Net | Not Designated as Hedging Instrument
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) recognized from derivative contracts in the condensed consolidated statement of income	2	(6)	4	(14)
Interest Rate Contract | Interest and Other, Net | Designated as Hedging Instrument | Fair Value Hedging
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) from interest rate contracts designated as fair value hedges recognized in interest and other, net	(4)	(5)	(43)	(4)
Gain (loss) from hedged items attributable to hedged risk recognized in interest and other, net	4	5	43	4
Gain (loss) recognized from derivative contracts in the condensed consolidated statement of income	0	0	0	0
Warrant | Interest and Other, Net
Derivative Instruments, Gain (Loss) [Line Items]
Gain (loss) from hedged items attributable to hedged risk recognized in interest and other, net	$ 126	$ 0	$ 232	$ 0

X

- Definition

Derivative, Change In Fair Value Of Asset

+ References

No definition available.

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- Definition

Derivative, Change In Fair Value Of Contract

+ References

No definition available.

+ Details

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X

- Definition

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

+ References

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=109980867&loc=SL5618551-113959

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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