Landfill and Environmental Costs (Expected Undiscounted Future Payments for Remediation Costs) (Details) $ in Millions	12 Months Ended
Dec. 31, 2018 USD ($)
Environmental Remediation Obligations [Abstract]
2018	$ 53.9
2019	104.7
2020	57.0
2021	49.2
2022	51.8
Thereafter	420.7
Total expected undiscounted future payments for remediation	$ 737.3

Future payment to settle undiscounted remediation costs.

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Future payment to settle undiscounted remediation costs thereafter.

No definition available.

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Future payment to settle undiscounted remediation costs year five.

No definition available.

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Future payment to settle undiscounted remediation costs year four.

No definition available.

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Future payment to settle undiscounted remediation costs year one.

No definition available.

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Future payment to settle undiscounted remediation costs year three.

No definition available.

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Future payment to settle undiscounted remediation costs year two.

No definition available.

Name:	rsg_FuturePaymentToSettleUndiscountedRemediationCostsYearTwo
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Data Type:	xbrli:monetaryItemType
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No definition available.

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