Segment Reporting (Geographic Segments) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Segment Reporting Information [Line Items]
Total revenue	$ 4,497.2	$ 4,276.5	$ 13,633.1	$ 10,006.2
European Operations Division United Kingdom [Member]
Segment Reporting Information [Line Items]
Total revenue	1,747.0	1,587.4	5,249.5	1,988.7
European Operations Division Germany [Member]
Segment Reporting Information [Line Items]
Total revenue	671.7	641.3	2,056.4	1,884.1
European Operations Division Belgium [Member]
Segment Reporting Information [Line Items]
Total revenue	575.7	545.6	1,732.3	1,616.2
European Operations Division Switzerland [Member]
Segment Reporting Information [Line Items]
Total revenue	353.2	332.1	1,071.3	982.0
European Operations Division Netherlands [Member]
Segment Reporting Information [Line Items]
Total revenue	301.6	305.4	936.0	923.4
European Operations Division Ireland [Member]
Segment Reporting Information [Line Items]
Total revenue	116.9	110.9	358.6	340.6
European Operations Division Poland [Member]
Segment Reporting Information [Line Items]
Total revenue	116.4	115.2	358.1	341.9
European Operations Division Austria [Member]
Segment Reporting Information [Line Items]
Total revenue	107.4	108.3	329.8	323.8
European Operations Division Hungary [Member]
Segment Reporting Information [Line Items]
Total revenue	62.2	63.7	191.6	190.9
European Operations Division Czech Republic [Member]
Segment Reporting Information [Line Items]
Total revenue	47.4	54.0	149.4	166.1
European Operations Division Romania [Member]
Segment Reporting Information [Line Items]
Total revenue	37.7	34.7	111.9	103.6
European Operations Division Slovakia [Member]
Segment Reporting Information [Line Items]
Total revenue	15.6	15.8	48.2	47.2
European Operations Division Other Europe [Member]
Segment Reporting Information [Line Items]
Total revenue	34.7	33.4	101.2	96.7
Total European Operations Division [Member]
Segment Reporting Information [Line Items]
Total revenue	4,187.5	3,947.8	12,694.3	9,005.2
Chile
Segment Reporting Information [Line Items]
Total revenue	223.7	244.8	678.8	747.9
Puerto Rico
Segment Reporting Information [Line Items]
Total revenue	76.3	74.7	227.6	221.9
Other, including intersegment eliminations
Segment Reporting Information [Line Items]
Total revenue	$ 9.7	$ 9.2	$ 32.4	$ 31.2