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.

No definition available.

+ Details

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- Definition

Amount of gain (loss) from sale and disposal of integrated set of activities and assets capable of being conducted and managed for purpose of providing return in form of dividend, lower cost, or other economic benefit to investor, owner, member and participant.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section 50
-Paragraph 1B
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684

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- Definition

The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3179-108585

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Number of Data Center Sites Sold

+ References

No definition available.

+ Details

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- Details

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- Details

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Acquisitions and Divestitures - Data Center Sale (Details) $ in Millions	1 Months Ended	12 Months Ended
	Dec. 31, 2016 USD ($) Site	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	May 31, 2017 Site
Business Acquisition [Line Items]
Proceeds from dispositions of businesses		$ 28	$ 0	$ 3,614
Net gain/(loss) on sale of divested businesses		$ 0	$ 0	1,774
Data Center Sale with Equinix
Business Acquisition [Line Items]
Proceeds from dispositions of businesses	$ 3,600
United States and Latin America \| Data Center Sale with Equinix
Business Acquisition [Line Items]
Number of data center sites sold \| Site	23				23
Selling, general and administrative expense \| Data Center Sale with Equinix
Business Acquisition [Line Items]
Net gain/(loss) on sale of divested businesses				$ 1,800