Goodwill, Capitalized Software and Other Intangible Assets 2 (Details) $ in Millions	Dec. 31, 2016 USD ($)
Projected annual amortization expense
2017	$ 253
2018	197
2019	128
2020	94
2021	52
Purchased Software Products
Projected annual amortization expense
2017	158
2018	152
2019	112
2020	86
2021	45
Internally Developed Software Products
Projected annual amortization expense
2017	79
2018	36
2019	9
2020	1
2021	0
Other Intangible Assets
Projected annual amortization expense
2017	16
2018	9
2019	7
2020	7
2021	$ 7

Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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=66006027&loc=d3e16323-109275

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of amortization expense for assets, excluding financial assets and goodwill, lacking physical substance with a finite life expected to be recognized during the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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