Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2017

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

At December 31, property and equipment consisted of the following:

	2017			2016
Land	$	192.7		$	197.6
Buildings	7,425.6			6,917.8
Equipment	8,689.0			7,864.7
Construction in progress	1,783.8			1,797.5
	18,091.1			16,777.6
Less accumulated depreciation	(9,264.6		)	(8,525.0		)
Property and equipment, net	$	8,826.5		$	8,252.6

Schedule of Rent Expense

Depreciation expense related to property and equipment and rental expense for all leases, including contingent rentals (not material), was as follows:

	2017		2016		2015
Depreciation expense	$	763.1	$	716.2	$	717.6
Rental expense	224.5		221.0		225.7

Schedule of Future Minimum Rental Payments for Operating Leases

The future minimum rental commitments under non-cancelable operating leases are as follows:

	2018		2019		2020		2021		2022		After 2022
Lease commitments	$	130.8	$	119.2	$	105.7	$	94.7	$	77.1	$	245.7