XML 116 R90.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Equity Investments - Northstar Illinois (Details) | 12 Months Ended
--- | ---
Dec. 31, 2018
Northstar IL |
Schedule of Equity Method Investments [Line Items] |
Prior written notice period | 30 days

X
- Definition Termination Agreement, Prior Written Notice Period + References No definition available. + Details
Name: | sgms_TerminationAgreementPriorWrittenNoticePeriod
Namespace Prefix: | sgms_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=sgms_NorthstarLotteryGroupLLCMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |