GOODWILL AND OTHER INTANGIBLE ASSETS

9 Months Ended

Sep. 30, 2020

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill for our reportable segments for the nine months ended September 30, 2020 were as follows:


	Retail		Group and Specialty		Healthcare Services		Total
	(in millions)
Balance at January 1, 2020	$	1,535	$	261	$	2,132	$	3,928
Acquisitions	—		—		515		515


Balance at September 30, 2020	$	1,535	$	261	$	2,647	$	4,443

The following table presents details of our other intangible assets included in other long-term assets in the accompanying condensed consolidated balance sheets at September 30, 2020 and December 31, 2019.


		September 30, 2020						December 31, 2019
	Weighted Average Life	Cost		Accumulated Amortization		Net		Cost		Accumulated Amortization		Net
		($ in millions)
Other intangible assets:
Customer contracts/ relationships	9.5 years	$	849	$	553	$	296	$	646	$	496	$	150
Trade names and technology	7.0 years	122		87		35		84		84		—
Provider contracts	11.8 years	70		49		21		70		44		26
Noncompetes and other	7.3 years	29		29		—		29		28		1
Total other intangible assets	9.3 years	$	1,070	$	718	$	352	$	829	$	652	$	177

For the three months ended September 30, 2020 and 2019, amortization expense for other intangible assets was approximately $23 million and $17 million, respectively. For the nine months ended September 30, 2020 and 2019, amortization expense for other intangible assets was approximately $66 million and $53 million, respectively. The following table presents our estimate of amortization expense remaining for 2020 and each of the five next succeeding years:


	(in millions)
For the years ending December 31,
2020	$	22
2021	56
2022	53
2023	40
2024	33
2025	33