Goodwill and Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2018

Goodwill and Intangible Assets

Goodwill by Segment

	Pharmacy
In millions	Services		Retail/LTC		Total
Balance, December 31, 2017	$	21,819	$	16,632	$	38,451
Acquisitions		67		35		102
Foreign currency translation adjustments		—		(18)		(18)
Divestiture of RxCrossroads subsidiary		—		(398)		(398)
Impairment		—		(3,921)		(3,921)
Balance, September 30, 2018	$	21,886	$	12,330	$	34,216

Summary of the Company's intangible assets

	September 30, 2018						December 31, 2017
	Gross				Net		Gross				Net
	Carrying		Accumulated		Carrying		Carrying		Accumulated		Carrying
In millions	Amount		Amortization		Amount		Amount		Amortization		Amount
Trademark (indefinitely-lived)	$	6,398	$	—	$	6,398	$	6,398	$	—	$	6,398
Customer contracts and relationships and covenants not to compete		12,507		(6,059)		6,448		12,341		(5,536)		6,805
Favorable leases and other		1,125		(805)		320		1,190		(763)		427
	$	20,030	$	(6,864)	$	13,166	$	19,929	$	(6,299)	$	13,630