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Deferred Contract Costs | 12 Months Ended
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Dec. 31, 2020
Capitalized Contract Cost [Abstract] |
Deferred Contract Costs | Deferred Contract Costs Origination and fulfillment costs from contracts with customers capitalized as of December 31, 2020 and 2019, consist of the following (in millions):
| 2020 |  | 2019
Contract costs on implementations in progress | $ | 245 |  |  | $ | 138 |
Contract origination costs on completed implementations, net | 470 |  |  | 352 |
Contract fulfillment costs on completed implementations, net | 202 |  |  | 177 |
Total Deferred contract costs, net | $ | 917 |  |  | $ | 667 |
For the years ended December 31, 2020, 2019 and 2018, amortization of deferred contract costs on completed implementations was $225 million, $184 million and $123 million.

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