Landfill and Environmental Costs (Expected Future Payments for Final Capping, Closure and Post-Closure) (Details) $ in Millions	12 Months Ended
Dec. 31, 2021 USD ($)
Environmental Remediation Obligations [Abstract]
2022	$ 68.3
2023	68.4
2024	70.4
2025	79.7
2026	76.2
Thereafter	6,681.6
Total future payments for final capping, closure and post-closure	$ 7,044.6

Future payment to settle asset retirement obligation, net.

No definition available.

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Future payment to settle asset retirement obligation thereafter.

No definition available.

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Future payment to settle asset retirement obligation year five.

No definition available.

Name:	rsg_FuturePaymentToSettleAssetRetirementObligationYearFive
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Future payment to settle asset retirement obligation year four.

No definition available.

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Data Type:	xbrli:monetaryItemType
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Future payment to settle asset retirement obligation year one.

No definition available.

Name:	rsg_FuturePaymentToSettleAssetRetirementObligationYearOne
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Future payment to settle asset retirement obligation year three.

No definition available.

Name:	rsg_FuturePaymentToSettleAssetRetirementObligationYearThree
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Future payment to settle asset retirement obligation year two.

No definition available.

Name:	rsg_FuturePaymentToSettleAssetRetirementObligationYearTwo
Namespace Prefix:	rsg_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

No definition available.

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