NOTE 9   INTANGIBLE ASSETS

The components of finite-lived intangible assets were as follows:

(In millions)
June 30	2007						2006
	Gross carrying amount		Accumulated amortization		Net carrying amount		Gross carrying amount		Accumulated amortization		Net carrying amount
Contract-based	$0,988		$0,(727)		$261		$0,954		$(661)		$293
Technology-based	916		(407)		509		458		(255)		203
Marketing-related	57		(39)		18		42		(32)		10
Customer-related	122		(32)		90		54		(21)		33
Total	$2,083		$(1,205)		$878		$1,508		$(969)		$539

During fiscal year 2007 and 2006, we recorded additions to intangible assets of $473 million and $189 million, respectively. We estimate that we have no significant residual value related to our intangible assets. The components of finite-lived intangible assets acquired during fiscal years 2007 and 2006 were as follows:

(In millions)
Year Ended June 30	2007				2006
	Amount		Weighted average life		Amount		Weighted average life
Contract-based	$ ,57		5 years		$ ,36		4 years
Technology-based	333		4 years		140		4 years
Marketing-related	14		4 years		5		3 years
Customer-related	69		5 years		8		4 years
Total	$473				$189

Intangible asset additions include $170 million of technology-based intangible assets with a weighted-average life of 4 years, and $84 million of other intangible assets with a weighted-average life of 4.9 years, related to the acquisitions of Softricity Inc., TellMe Networks, Inc., and the remaining 11 entities acquired.

Acquired intangibles are generally amortized on a straight-line basis over weighted average lives. Intangible assets amortization expense was $236 million for fiscal year 2007, $127 million for fiscal year 2006, and $161 million for fiscal year 2005. The estimated future amortization expense related to intangible assets as of June 30, 2007 is as follows:

(In millions)
Year Ended June 30	Amount
2008	$263
2009	229
2010	184
2011	111
2012 and thereafter	91
Total	$878