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Acquisitions, Divestitures and Exchanges (Tables) | 12 Months Ended
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Dec. 31, 2019
Business Combinations [Abstract] |
Acquisitions, Divestitures and Exchanges |
|  | Allocation of Purchase Price
| Purchase Price | Goodwill 1 | Intangible Assets Subject to Amortization 2 | Net Tangible Assets (Liabilities)
(Dollars in millions) |  |  |  |
Continuum | $ | 80 |  | $ | 38 |  | $ | 9 |  | $ | 33 |
1 | The entire amount of Goodwill acquired in 2019 is amortizable for income tax purposes.
2 In 2019, at the date of acquisition, the weighted average amortization period for Intangible Assets Subject to Amortization acquired was approximately four years.

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- Definition Tabular disclosure of a material business combination completed during the period, including background, timing, and recognized assets and liabilities. This table does not include leveraged buyouts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1486-128463 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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