GOODWILL AND OTHER INTANGIBLE ASSETS (Tables)

6 Months Ended

Jun. 30, 2021

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Changes in Carrying Amount of Goodwill By Reportable Segments

Changes in the carrying amount of goodwill for our reportable segments for the six months ended June 30, 2021 were as follows:

	Retail		Group and Specialty		Healthcare Services		Total
	(in millions)
Balance at January 1, 2021	$	1,535	$	261	$	2,651	$	4,447
Acquisitions	112		—		355		467
Balance at June 30, 2021	$	1,647	$	261	$	3,006	$	4,914

Schedule 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 June 30, 2021 and December 31, 2020.

		June 30, 2021						December 31, 2020
	Weighted Average Life	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
		($ in millions)
Other intangible assets:
Customer contracts/     relationships	9.4 years	$	875	$	596	$	279	$	849	$	572	$	277
Trade names and     technology	6.7 years	136		92		44		122		89		33
Provider contracts	11.8 years	69		53		16		69		50		19
Noncompetes and     other	7.1 years	32		29		3		29		29		—
Total other intangible     assets	9.1 years	$	1,112	$	770	$	342	$	1,069	$	740	$	329

Schedule of Estimated Amortization Expense

The following table presents our estimate of amortization expense remaining for 2021 and each of the five next succeeding years:

	(in millions)
For the years ending December 31,
2021	$	33
2022	62
2023	48
2024	40
2025	39
2026	27