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Goodwill and Intangible Assets (Tables) | 9 Months Ended
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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

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- Definition Tabular disclosure of goodwill by reportable segment and in total which includes a rollforward schedule. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13854-109267 + Details
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