GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2014

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill By Reportable Segments

Changes in the carrying amount of goodwill for our reportable segments for the years ended December 31, 2014 and 2013 were as follows:

	Retail		Employer Group		Healthcare Services			Other Businesses		Total
	(in millions)
Balance at December 31, 2012	$	931	$	363	$	2,254		$	92	$	3,640
Acquisitions	76		—		40			—		116
Dispositions	—		—		(17		)	—		(17		)
Subsequent payments/adjustments	—		—		(6		)	—		(6		)
Balance at December 31, 2013	1,007		363		2,271			92		3,733
Acquisitions	—		—		19			—		19
Dispositions	—		—		(40		)	—		(40		)
Subsequent payments/adjustments	—		—		(1		)	—		(1		)
Balance at December 31, 2014	$	1,007	$	363	$	2,249		$	92	$	3,711

Details of Intangible Assets Included in Other Long-Term Assets

The following table presents details of our other intangible assets included in other long-term assets in the accompanying consolidated balance sheets at December 31, 2014 and 2013:

	Weighted Average Life	2014						2013
		Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
		(in millions)
Other intangible assets:
Customer contracts/relationships	9.8 years	$	764	$	368	$	396	$	792	$	310	$	482
Trade names and technology	13.2 years	198		66		132		200		40		160
Provider contracts	15.0 years	51		21		30		51		23		28
Noncompetes and other	6.5 years	51		37		14		52		29		23
Total other intangible assets	10.5 years	$	1,064	$	492	$	572	$	1,095	$	402	$	693

Schedule of Estimated Amortization Expense

The following table presents our estimate of amortization expense for each of the five next succeeding fiscal years:

	(in millions)
For the years ending December 31,:
2015	$	101
2016	94
2017	85
2018	78
2019	66