Segment Information (Details 2) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013 item	Jun. 30, 2012
Operating revenues by products and services
Other operating revenue	$ 4,525	$ 4,612	$ 9,038	$ 9,222
Surcharge amount on customers' bills			249	272
Number of groups of products and services			4
Number of groups of products and services included in segment revenue			3
Strategic services
Operating revenues by products and services
Other operating revenue	2,164	2,078	4,306	4,136
Legacy services
Operating revenues by products and services
Other operating revenue	1,945	2,098	3,919	4,239
Data integration
Operating revenues by products and services
Other operating revenue	167	170	307	315
Other
Operating revenues by products and services
Other operating revenue	$ 249	$ 266	$ 506	$ 532

Represents the number of groups of products and services of the reporting entity.

No definition available.

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- Definition

Represents the number of groups of products and services of the reporting entity that are included in the segment revenue.

+ References

No definition available.

+ Details

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- Definition

Amount of the universal taxes and surcharges that are reflected in the statement of income (included in both operating revenues and expenses).

+ References

No definition available.

+ Details

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- Details

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- Definition

Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1)

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

+ Details

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