Goodwill Capitalized Software and Other Intangible Assets 2 (Details) (USD $) In Millions	3 Months Ended
Jun. 30, 2011
Amortization expense over the next five fiscal years
2012	$ 265
2013	259
2014	227
2015	184
2016	137
Purchased software products [Member]
Amortization expense over the next five fiscal years
2012	85
2013	78
2014	70
2015	59
2016	57
Internally developed software products [Member]
Amortization expense over the next five fiscal years
2012	117
2013	130
2014	112
2015	87
2016	56
Other intangible assets subject to amortization [Member]
Amortization expense over the next five fiscal years
2012	63
2013	51
2014	45
2015	38
2016	$ 24

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The amount of amortization expense expected to be recognized during year five of the five succeeding fiscal years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 142
-Paragraph 45
-Subparagraph a(3)
-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: 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=6905858&loc=d3e16323-109275

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- Definition

The amount of amortization expense expected to be recognized during year four of the five succeeding fiscal years.

+ References

+ Details

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- Definition

The amount of amortization expense expected to be recognized during year one of the five succeeding fiscal years.

+ References

+ Details

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- Definition

The amount of amortization expense expected to be recognized during year three of the five succeeding fiscal years.

+ References

+ Details

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- Definition

The amount of amortization expense expected to be recognized during year two of the five succeeding fiscal years.

+ References

+ Details

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