The components of intangible assets, all of which are finite-lived, were as follows:
(In millions) | ||||||
---|---|---|---|---|---|---|
June 30, | ||||||
Gross Carrying Amount | Accumulated Amortization | Net Carrying Amount | Gross Carrying Amount | Accumulated Amortization | Net Carrying Amount | |
Contract-based | $1,087 | $ , (855) | $((232 | $1,074 | $ ,,(796) | $,,,278 |
Technology-based | 2,033 | (1,090) | 943 | 1,677 | (672) | 1,005 |
Marketing-related | 188 | (97) | 91 | 171 | (65) | 106 |
Customer-related | 732 | (239) | 493 | 708 | (124) | 584 |
Total | $4,040 | $(2,281) | $1,759 | $3,630 | $(1,657) | $1,973 |
During fiscal year 2009 and 2008, we recorded additions to intangible assets of $354 million and $1.6 billion, respectively. We estimate that we have no significant residual value related to our intangible assets.
The components of intangible assets acquired during fiscal years 2009 and 2008 were as follows:
(In millions) | ||||
---|---|---|---|---|
Year Ended June 30, | ||||
Amount | Weighted Average Life | Amount | Weighted Average Life | |
Contract-based | $ )26 | 4 years | $((, 91 | 6 years |
Technology-based | 293 | 4 years | 787 | 4 years |
Marketing-related | 7 | 5 years | 116 | 5 years |
Customer-related | 28 | 2 years | 589 | 6 years |
Total | $354 | $1,583 |
Acquired intangibles generally are amortized on a straight-line basis over their weighted average lives. Intangible assets amortization expense was $591 million for fiscal year 2009, $472 million for fiscal year 2008, and $236 million for fiscal year 2007. The following table outlines the estimated future amortization expense related to intangible assets as of June 30, 2009:
(In millions) | |
---|---|
Year Ended June 30, | Amount |
2010 | $))562 |
2011 | 511 |
2012 | 455 |
2013 | 191 |
2014 and thereafter | 40 |
Total | $1,759 |