Restructuring Initiatives Restructuring Initiatives (Charges Reportable by Business Segment for $400M Cost Savings Initiative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended			30 Months Ended
	Mar. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2015
Restructuring Cost and Reserve [Line Items]
Charges recorded to date
$400M Cost Savings Initiative [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date	1.6	82.0	51.0	48.5	183.1
Estimated charges to be incurred on approved initiatives					9.6
Total expected charges on approved initiatives					192.7
$400M Cost Savings Initiative [Member] | Latin America [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date	(0.4)	24.5	11.1	12.9	48.1
Estimated charges to be incurred on approved initiatives					0.4
Total expected charges on approved initiatives					48.5
$400M Cost Savings Initiative [Member] | Europe Middle East & Africa [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date	0.1	19.9	15.6	1.1	36.7
Estimated charges to be incurred on approved initiatives					0
Total expected charges on approved initiatives					36.7
$400M Cost Savings Initiative [Member] | North America [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date	1.6	14.0	5.3	18.0	38.9
Estimated charges to be incurred on approved initiatives					8.5
Total expected charges on approved initiatives					47.4
$400M Cost Savings Initiative [Member] | Asia Pacific [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date	0.6	6.5	1.3	12.9	21.3
Estimated charges to be incurred on approved initiatives					0.7
Total expected charges on approved initiatives					22.0
$400M Cost Savings Initiative [Member] | Corporate [Member]
Restructuring Cost and Reserve [Line Items]
Charges recorded to date	(0.3)	17.1	17.7	3.6	38.1
Estimated charges to be incurred on approved initiatives					0
Total expected charges on approved initiatives					$ 38.1