v2.4.0.6

Identified Intangible Assets | 12 Months Ended
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Dec. 31, 2012
Identified Intangible Assets | 7 Identified Intangible Assets Intangible assets, net of accumulated amortization and impairments of $965 million and $1,171 million as of December 31, 2012 and 2011 respectively were composed of the following:
|  | December 31, 2012 |  |  | December 31, 2011 |
|  | Gross |  |  | Accumulated amortization and impairments |  |  | Gross |  |  | Accumulated amortization and impairments |
Marketing-related |  |  | 18 |  |  |  | (16 | ) |  |  | 18 |  |  |  | (16 | )
Customer-related |  |  | 427 |  |  |  | (177 | ) |  |  | 411 |  |  |  | (143 | )
Technology-based |  |  | 2,053 |  |  |  | (1,383 | ) |  |  | 2,044 |  |  |  | (1,156 | )
Other intangible assets |  |  | 2,498 |  |  |  | (1,576 | ) |  |  | 2,473 |  |  |  | (1,315 | )
Software |  |  | 113 |  |  |  | (70 | ) |  |  | 63 |  |  |  | (50 | )
Identified intangible assets |  |  | 2,611 |  |  |  | (1,646 | ) |  |  | 2,536 |  |  |  | (1,365 | )
The estimated amortization expense for these identified intangible assets for each of the five succeeding years is:
2013 |  |  | 232 |
2014 |  |  | 153 |
2015 |  |  | 132 |
2016 |  |  | 127 |
2017 |  |  | 113 |
All intangible assets, excluding goodwill, are subject to amortization and have no assumed residual value. The expected weighted average remaining life of identified intangibles is 6 years as of December 31, 2012. The estimated amortization expense for software as of December 31, 2012 for each of the five succeeding years is:
2013 |  |  | 21 |
2014 |  |  | 20 |
2015 |  |  | 2 |
2016 |  |  | — |
2017 |  |  | — |
The expected weighted average remaining lifetime of software is 2 years as of December 31, 2012.

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- Definition The entire disclosure for all or part of the information related to intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44, 45, 46 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16323-109275 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16373-109275 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7658586&loc=d3e16265-109275 + Details
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