XML 77 R64.htm IDEA: XBRL DOCUMENT v2.4.1.9
Intangible Assets Including Goodwill (Details 3) (USD $)
In Millions, unless otherwise specified
Mar. 31, 2015
Future amortization expense, by year  
2015 (for Q2-Q4) $ 832us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
2016 878us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
2017 614us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
2018 356us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
2019 215us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
Capitalized software  
Future amortization expense, by year  
2015 (for Q2-Q4) 340us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
2016 274us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
2017 117us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
2018 7us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ComputerSoftwareIntangibleAssetMember
Acquired intangibles  
Future amortization expense, by year  
2015 (for Q2-Q4) 492us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ibm_AcquiredIntangiblesMember
2016 603us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ibm_AcquiredIntangiblesMember
2017 497us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ibm_AcquiredIntangiblesMember
2018 349us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ibm_AcquiredIntangiblesMember
2019 $ 215us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= ibm_AcquiredIntangiblesMember