| Schedule Of Intangible Assets By Major Class [Table Text Block] |
Identified intangible assets at the end of each period were as follows: | | March 31, 2012 | | | | | | Accumulated | | | | | (In Millions) | Gross Assets | | Amortization | | Net | | Acquisition-related developed technology | $ | 2,633 | | $ | (693) | | $ | 1,940 | | Acquisition-related customer relationships | | 1,714 | | | (331) | | | 1,383 | | Acquisition-related trade names | | 68 | | | (24) | | | 44 | | Licensed technology | | 2,398 | | | (755) | | | 1,643 | | Identified intangible assets subject to amortization | $ | 6,813 | | $ | (1,803) | | $ | 5,010 | | Acquisition-related trade names | | 810 | | | — | | | 810 | | Other intangible assets | | 244 | | | — | | | 244 | | Identified intangible assets not subject to amortization | $ | 1,054 | | $ | — | | $ | 1,054 | | Total identified intangible assets | $ | 7,867 | | $ | (1,803) | | $ | 6,064 | | | | | | | | | | | | | | | | | | | | | | | December 31, 2011 | | | | | | Accumulated | | | | | (In Millions) | Gross Assets | | Amortization | | Net | | Acquisition-related developed technology | $ | 2,615 | | $ | (570) | | $ | 2,045 | | Acquisition-related customer relationships | | 1,714 | | | (254) | | | 1,460 | | Acquisition-related trade names | | 68 | | | (21) | | | 47 | | Licensed technology | | 2,395 | | | (707) | | | 1,688 | | Identified intangible assets subject to amortization | $ | 6,792 | | $ | (1,552) | | $ | 5,240 | | Acquisition-related trade names | | 806 | | | — | | | 806 | | Other intangible assets | | 221 | | | — | | | 221 | | Identified intangible assets not subject to amortization | $ | 1,027 | | $ | — | | $ | 1,027 | | Total identified intangible assets | $ | 7,819 | | $ | (1,552) | | $ | 6,267 |
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| Schedule of Expected Amortization Expense [Table Text Block] |
Based on the identified intangible assets that are subject to amortization as of March 31, 2012, we expect future amortization expense to be as follows: | | Remainder | | | | | | | | | | | | | | (In Millions) | of 2012 | | 2013 | | 2014 | | 2015 | | 2016 | | Acquisition-related developed technology | $ | 410 | | $ | 534 | | $ | 512 | | $ | 242 | | $ | 155 | | Acquisition-related customer relationships | $ | 220 | | $ | 275 | | $ | 262 | | $ | 244 | | $ | 226 | | Acquisition-related trade names | $ | 9 | | $ | 11 | | $ | 10 | | $ | 10 | | $ | 4 | | Licensed technology | $ | 134 | | $ | 165 | | $ | 154 | | $ | 136 | | $ | 121 |
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