Deferred Contract Costs

6 Months Ended

Jun. 30, 2018

Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]

Origination and fulfillment costs from contracts with customers capitalized as of June 30, 2018 and December 31, 2017 consisted of the following (in millions):



	June 30, 2018		December 31, 2017
Contract costs on implementations in progress	117		104
Incremental contract origination costs on completed implementations, net	172		127
Contract fulfillment costs on completed implementations, net	123		123
Total deferred contract costs, net	$	412	$	354

Amortization of deferred contract costs on completed implementations was $30 million and $26 million during the three months and $58 million and $46 million during the six months ended June 30, 2018 and 2017, respectively, and there were no impairment losses in relation to the costs capitalized for periods presented.