Goodwill, Customer Relationships and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2012

Goodwill, Customer Relationships and Other Intangible Assets

Schedule of goodwill, customer relationships and other intangible assets

	Successor
	Weighted Average of Remaining Lives		December 31, 2012		December 31, 2011
			(Dollars in millions)
Goodwill		N/A	$	10,123		10,123
Customer relationships, less accumulated amortization of $1,736 and $770		8.3 years	$	5,822		6,788
Other intangible assets subject to amortization
Capitalized software, less accumulated amortization of $704 and $354		3.1 years		1,212		1,460
Trade names and patents, less accumulated amortization of $123 and $61		2.3 years and 5.8 years, respectively		65		127
Total other intangible assets, net			$	1,277		1,587

Schedule of total amortization expense for intangible assets

	Successor				Predecessor
	Year Ended December 31, 2012		Nine Months Ended December 31, 2011		Three Months Ended March 31, 2011		Year Ended December 31, 2010
	(Dollars in millions)
Amortization expense for intangible assets	$	1,426		1,185		58		221

Schedule of estimated amortization expense for intangible assets

Successor	(Dollars in millions)
Year ending December 31,
2013	$	1,248
2014		1,143
2015		1,025
2016		921
2017		824
2018 and thereafter		1,938