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Revenue Recognition, Performance Obligations (Details) $ in Millions | 3 Months Ended
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Mar. 31, 2018 USD ($)
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items] |
Revenue, Remaining Performance Obligation, Amount | $ 333
Revenue recognition, remaining performance obligation, optional practical expedient | true
Remainder of 2018 |
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items] |
Revenue, Remaining Performance Obligation, Amount | $ 244
2019 |
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items] |
Revenue, Remaining Performance Obligation, Amount | 86
Thereafter |
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items] |
Revenue, Remaining Performance Obligation, Amount | $ 3

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- Definition Indicates (true/false) whether practical expedient is elected not to disclose amount of transaction price allocated to remaining performance obligation and explanation of expected timing of revenue recognition, when contract has expected duration of one year or less or right to consideration corresponds directly to performance completed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130558-203045 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 14 -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130557-203045 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306 + Details
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- Definition Amount of transaction price allocated to performance obligation that has not been recognized as revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=84173487&loc=SL51747714-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130556-203045 + Details
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