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Contract Costs (Tables) | 3 Months Ended
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Mar. 31, 2019
Revenue from Contract with Customer [Abstract] |
Capitalized Contract Cost | The following table identifies the activity relating to capitalized contract costs:
in millions |  | January 1, 2019 |  | Capitalized |  | Amortization |  | March 31, 2019
Capitalized contract costs |  | 54 |  |  | 7 |  |  | (4 | ) |  | 57 |

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- Definition Tabular disclosure of cost capitalized in obtaining or fulfilling contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=68051541&loc=SL49131252-203054 + Details
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- References No definition available. + Details
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