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+ References

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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=63488584&loc=d3e20235-122688

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Segment Information (Revenues From External Customers And Segment Operating Profit) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information [Line Items]
Revenues	$ 3,462	$ 3,453	$ 3,370	$ 3,202	$ 3,233	$ 3,187	$ 3,085	$ 2,911	$ 13,487	$ 12,416	$ 10,263
Income from operations	$ 561	$ 583	$ 591	$ 554	$ 553	$ 543	$ 546	$ 500	2,289	2,142	1,885
Operating Segments [Member]
Segment Reporting Information [Line Items]
Income from operations									4,199	4,098	3,249
Corporate, Non-Segment [Member]
Segment Reporting Information [Line Items]
Less: unallocated costs									1,910	1,956	1,364
Operating Segments [Member] \| Financial Services [Member]
Segment Reporting Information [Line Items]
Revenues									5,366	5,003	4,286
Income from operations									1,707	1,642	1,320
Operating Segments [Member] \| Healthcare [Member]
Segment Reporting Information [Line Items]
Revenues									3,871	3,668	2,689
Income from operations									1,153	1,200	851
Operating Segments [Member] \| Manufacturing/Retail/Logistics [Member]
Segment Reporting Information [Line Items]
Revenues									2,660	2,344	2,094
Income from operations									851	803	686
Operating Segments [Member] \| Other [Member]
Segment Reporting Information [Line Items]
Revenues									1,590	1,401	1,194
Income from operations									$ 488	$ 453	$ 392