Goodwill, Capitalized Software and Other Intangible Assets 2 (Details) (USD $) In Millions, unless otherwise specified	Sep. 30, 2013
Projected annual amortization expense for current fiscal year and next four fiscal years
2014	$ 338
2015	307
2016	257
2017	204
2018	151
Purchased Software Products [Member]
Projected annual amortization expense for current fiscal year and next four fiscal years
2014	118
2015	111
2016	109
2017	107
2018	104
Internally Developed Software Products [Member]
Projected annual amortization expense for current fiscal year and next four fiscal years
2014	166
2015	150
2016	120
2017	86
2018	40
Other Intangible Assets [Member]
Projected annual amortization expense for current fiscal year and next four fiscal years
2014	54
2015	46
2016	28
2017	11
2018	$ 7

Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 350

-SubTopic 30

-Section 50

-Paragraph 2

-Subparagraph (a)(3)

-URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275

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Amount of amortization expense expected to be recognized during the fifth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the fourth fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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