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Contract Costs (Tables) | 6 Months Ended
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Jun. 30, 2021
Revenue from Contract with Customer [Abstract] |
Schedule of Activity Related to Capitalized Contract Cost | The following table identifies the activity relating to capitalized contract costs:
in millions |  | December 31, 2020 |  | Capitalized |  | Amortization |  | June 30, 2021
Capitalized contract costs |  | $ | 98 |  |  | $ | 20 |  |  | $ | (21) |  |  | $ | 97 |
in millions |  | December 31, 2019 |  | Capitalized |  | Amortization |  | June 30, 2020
Capitalized contract costs |  | $ | 91 |  |  | $ | 14 |  |  | $ | (17) |  |  | $ | 88 |

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- Definition Tabular disclosure of cost capitalized in obtaining or fulfilling contract with customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 340 -SubTopic 40 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123353750&loc=SL49131252-203054 + Details
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- References No definition available. + Details
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