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Revenue from Contract with Customer - Narrative (Details) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) segment | Dec. 31, 2019 USD ($)
Disaggregation of Revenue |  |  |
Contract with customer, asset, after allowance for credit loss | $ 8 | $ 8 | $ 10
Revenue, performance obligation, description of payment terms | 30 to 90 days |  |
Contract with customer, liability, current | $ 12 | 12 | 10
Contract with customer, liability, noncurrent | 6 | 6 | 12
Contract with customers receivable, current | 38 | 38 | 37
Contract with customers receivable, non-current | $ 171 | $ 171 | $ 180
Number of reportable segments | segment |  | 2 |
Minimum |  |  |
Disaggregation of Revenue |  |  |
Capitalized contract costs, amortization period |  | 3 years |
Maximum |  |  |
Disaggregation of Revenue |  |  |
Capitalized contract costs, amortization period |  | 7 years |

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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130533-203044 + Details
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- Definition Description of payment terms in contract with customer. Includes, but is not limited to, timing of payment, existence of financing component, variability of consideration and constraint on variable consideration. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130554-203045 + Details
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