GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

3 Months Ended

Mar. 31, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in Carrying Amount of Goodwill By Reportable Segments

he carrying amount of goodwill for our reportable segments was unchanged from December 31, 2015 to March 31, 2016. The carrying amount at March 31, 2016 was as follows:

	Retail		Group		Healthcare Services		Total
	(in millions)
Balance at March 31, 2016	$	1,069	$	385	$	1,811	$	3,265

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 condensed consolidated balance sheets at March 31, 2016 and December 31, 2015.

		March 31, 2016						December 31, 2015
	Weighted Average Life	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
		($ in millions)
Other intangible assets:
Customer contracts/ relationships	9.8 yrs	$	566	$	307	$	259	$	566	$	292	$	274
Trade names and technology	8.3 yrs	104		58		46		104		54		50
Provider contracts	14.6 yrs	51		25		26		51		24		27
Noncompetes and other	8.2 yrs	32		27		5		32		26		6
Total other intangible assets	9.8 yrs	$	753	$	417	$	336	$	753	$	396	$	357

Schedule of Estimated Amortization Expense

The following table presents our estimate of amortization expense for 2016 and each of the five next succeeding years:

	(in millions)
For the years ending December 31,:
2016	$	78
2017	71
2018	62
2019	51
2020	47
2021	13