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Subsequent Events (Details) - Subsequent Event [Member] | Jan. 11, 2017 USD ($) derivative_instrument
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Interest Rate Swap [Member] |
Subsequent Event [Line Items] |
Number of interest rate derivatives held | derivative_instrument | 3
Interest Rate Swap Expiring December 29, 2017 [Member] |
Subsequent Event [Line Items] |
Notional Amount | $ 500,000,000.0
Interest Rate Swap Expiring December 29, 2018 [Member] |
Subsequent Event [Line Items] |
Notional Amount | 750,000,000.0
Interest Rate Swap Expiring December 29, 2019 [Member] |
Subsequent Event [Line Items] |
Notional Amount | $ 1,000,000,000.0

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

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- Definition Number of interest rate derivative instruments held by the entity at the reporting date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration

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- Details
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- Details
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- Details
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- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=on_InterestRateSwapExpiringDecember292018Member
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- Details
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