Future Gross Minimum Rent Payments due to Company under Existing Franchise Arrangements (Detail) $ in Millions	Dec. 31, 2016 USD ($)
Leases Disclosure [Line Items]
2017	$ 2,689.6
2018	2,617.6
2019	2,540.1
2020	2,425.8
2021	2,294.9
Thereafter	18,763.7
Total minimum payments	31,331.7
Owned sites
Leases Disclosure [Line Items]
2017	1,319.1
2018	1,290.6
2019	1,261.0
2020	1,219.9
2021	1,167.5
Thereafter	10,018.5
Total minimum payments	16,276.6
Leased sites
Leases Disclosure [Line Items]
2017	1,370.5
2018	1,327.0
2019	1,279.1
2020	1,205.9
2021	1,127.4
Thereafter	8,745.2
Total minimum payments	$ 15,055.1

Leases Disclosure [Line Items]

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- Definition

Future minimum rental payments in aggregate as of the balance sheet date under operating leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 20
-Section 50
-Paragraph 4
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

+ Details

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- Definition

Future rental payments receivable within one year of the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the fifth year from the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the fourth year from the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the third year from the balance sheet date under an operating lease.

+ References

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- Definition

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

+ References

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- Definition

Future minimum lease payments receivable under operating leases for periods greater than five years following the balance sheet date.

+ References

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