Revenue (Disaggregation of Revenue) (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Disaggregation of Revenue [Line Items]
Revenue	$ 1,401.7	$ 1,424.2	$ 1,351.9	$ 1,393.5	$ 1,568.8	$ 1,417.8	$ 1,395.9	$ 1,333.1	$ 5,571.3	$ 5,715.6	$ 5,717.7
Other expense, net									(7.1)	(34.6)	(172.9)
Skincare
Disaggregation of Revenue [Line Items]
Revenue									1,481.1
Fragrance
Disaggregation of Revenue [Line Items]
Revenue									1,431.0
Color
Disaggregation of Revenue [Line Items]
Revenue									850.1
Total Beauty
Disaggregation of Revenue [Line Items]
Revenue									3,762.2
Fashion
Disaggregation of Revenue [Line Items]
Revenue									753.8
Home
Disaggregation of Revenue [Line Items]
Revenue									563.3
Total Fashion & Home
Disaggregation of Revenue [Line Items]
Revenue									1,317.1
Brazil IPI tax release
Disaggregation of Revenue [Line Items]
Revenue									168.4
Net sales
Disaggregation of Revenue [Line Items]
Revenue									5,247.7	5,565.1	5,578.8
Representative fees
Disaggregation of Revenue [Line Items]
Revenue									283.4
Other
Disaggregation of Revenue [Line Items]
Revenue									40.2
Other revenue
Disaggregation of Revenue [Line Items]
Revenue									323.6	150.5	138.9
Operating Segments
Disaggregation of Revenue [Line Items]
Revenue									5,520.8	5,632.6	5,608.0
Operating Segments | Skincare
Disaggregation of Revenue [Line Items]
Revenue									1,474.7
Operating Segments | Fragrance
Disaggregation of Revenue [Line Items]
Revenue									1,428.1
Operating Segments | Color
Disaggregation of Revenue [Line Items]
Revenue									845.3
Operating Segments | Total Beauty
Disaggregation of Revenue [Line Items]
Revenue									3,748.1
Operating Segments | Fashion
Disaggregation of Revenue [Line Items]
Revenue									750.8
Operating Segments | Home
Disaggregation of Revenue [Line Items]
Revenue									561.3
Operating Segments | Total Fashion & Home
Disaggregation of Revenue [Line Items]
Revenue									1,312.1
Operating Segments | Brazil IPI tax release
Disaggregation of Revenue [Line Items]
Revenue									168.4
Operating Segments | Net sales
Disaggregation of Revenue [Line Items]
Revenue									5,228.6
Operating Segments | Representative fees
Disaggregation of Revenue [Line Items]
Revenue									281.4
Operating Segments | Other
Disaggregation of Revenue [Line Items]
Revenue									10.8
Operating Segments | Other revenue
Disaggregation of Revenue [Line Items]
Revenue									292.2
Other operating segments and business activities
Disaggregation of Revenue [Line Items]
Revenue									50.5	83.0	109.7
Other operating segments and business activities | Skincare
Disaggregation of Revenue [Line Items]
Revenue									6.4
Other operating segments and business activities | Fragrance
Disaggregation of Revenue [Line Items]
Revenue									2.9
Other operating segments and business activities | Color
Disaggregation of Revenue [Line Items]
Revenue									4.8
Other operating segments and business activities | Total Beauty
Disaggregation of Revenue [Line Items]
Revenue									14.1
Other operating segments and business activities | Fashion
Disaggregation of Revenue [Line Items]
Revenue									3.0
Other operating segments and business activities | Home
Disaggregation of Revenue [Line Items]
Revenue									2.0
Other operating segments and business activities | Total Fashion & Home
Disaggregation of Revenue [Line Items]
Revenue									5.0
Other operating segments and business activities | Net sales
Disaggregation of Revenue [Line Items]
Revenue									19.1
Other operating segments and business activities | Representative fees
Disaggregation of Revenue [Line Items]
Revenue									2.0
Other operating segments and business activities | Other
Disaggregation of Revenue [Line Items]
Revenue									29.4
Other operating segments and business activities | Other revenue
Disaggregation of Revenue [Line Items]
Revenue									31.4
Europe, Middle East & Africa | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue									2,093.8
Europe, Middle East & Africa | Operating Segments | Skincare
Disaggregation of Revenue [Line Items]
Revenue									619.2
Europe, Middle East & Africa | Operating Segments | Fragrance
Disaggregation of Revenue [Line Items]
Revenue									636.6
Europe, Middle East & Africa | Operating Segments | Color
Disaggregation of Revenue [Line Items]
Revenue									398.7
Europe, Middle East & Africa | Operating Segments | Total Beauty
Disaggregation of Revenue [Line Items]
Revenue									1,654.5
Europe, Middle East & Africa | Operating Segments | Fashion
Disaggregation of Revenue [Line Items]
Revenue									298.0
Europe, Middle East & Africa | Operating Segments | Home
Disaggregation of Revenue [Line Items]
Revenue									45.3
Europe, Middle East & Africa | Operating Segments | Total Fashion & Home
Disaggregation of Revenue [Line Items]
Revenue									343.3
Europe, Middle East & Africa | Operating Segments | Net sales
Disaggregation of Revenue [Line Items]
Revenue									1,997.8
Europe, Middle East & Africa | Operating Segments | Representative fees
Disaggregation of Revenue [Line Items]
Revenue									95.3
Europe, Middle East & Africa | Operating Segments | Other
Disaggregation of Revenue [Line Items]
Revenue									0.7
Europe, Middle East & Africa | Operating Segments | Other revenue
Disaggregation of Revenue [Line Items]
Revenue									96.0
South Latin America | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue									2,146.9	2,222.4	2,145.9
South Latin America | Operating Segments | Skincare
Disaggregation of Revenue [Line Items]
Revenue									564.3
South Latin America | Operating Segments | Fragrance
Disaggregation of Revenue [Line Items]
Revenue									483.9
South Latin America | Operating Segments | Color
Disaggregation of Revenue [Line Items]
Revenue									310.7
South Latin America | Operating Segments | Total Beauty
Disaggregation of Revenue [Line Items]
Revenue									1,358.9
South Latin America | Operating Segments | Fashion
Disaggregation of Revenue [Line Items]
Revenue									190.6
South Latin America | Operating Segments | Home
Disaggregation of Revenue [Line Items]
Revenue									283.4
South Latin America | Operating Segments | Total Fashion & Home
Disaggregation of Revenue [Line Items]
Revenue									474.0
South Latin America | Operating Segments | Brazil IPI tax release
Disaggregation of Revenue [Line Items]
Revenue									168.4
South Latin America | Operating Segments | Net sales
Disaggregation of Revenue [Line Items]
Revenue									2,001.3
South Latin America | Operating Segments | Representative fees
Disaggregation of Revenue [Line Items]
Revenue									135.7
South Latin America | Operating Segments | Other
Disaggregation of Revenue [Line Items]
Revenue									9.9
South Latin America | Operating Segments | Other revenue
Disaggregation of Revenue [Line Items]
Revenue									145.6
North Latin America | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue									809.3	$ 811.8	$ 829.9
North Latin America | Operating Segments | Skincare
Disaggregation of Revenue [Line Items]
Revenue									166.9
North Latin America | Operating Segments | Fragrance
Disaggregation of Revenue [Line Items]
Revenue									218.1
North Latin America | Operating Segments | Color
Disaggregation of Revenue [Line Items]
Revenue									81.8
North Latin America | Operating Segments | Total Beauty
Disaggregation of Revenue [Line Items]
Revenue									466.8
North Latin America | Operating Segments | Fashion
Disaggregation of Revenue [Line Items]
Revenue									94.4
North Latin America | Operating Segments | Home
Disaggregation of Revenue [Line Items]
Revenue									204.2
North Latin America | Operating Segments | Total Fashion & Home
Disaggregation of Revenue [Line Items]
Revenue									298.6
North Latin America | Operating Segments | Net sales
Disaggregation of Revenue [Line Items]
Revenue									765.4
North Latin America | Operating Segments | Representative fees
Disaggregation of Revenue [Line Items]
Revenue									43.9
North Latin America | Operating Segments | Other
Disaggregation of Revenue [Line Items]
Revenue									0.0
North Latin America | Operating Segments | Other revenue
Disaggregation of Revenue [Line Items]
Revenue									43.9
Asia Pacific | Operating Segments
Disaggregation of Revenue [Line Items]
Revenue									470.8
Asia Pacific | Operating Segments | Skincare
Disaggregation of Revenue [Line Items]
Revenue									124.3
Asia Pacific | Operating Segments | Fragrance
Disaggregation of Revenue [Line Items]
Revenue									89.5
Asia Pacific | Operating Segments | Color
Disaggregation of Revenue [Line Items]
Revenue									54.1
Asia Pacific | Operating Segments | Total Beauty
Disaggregation of Revenue [Line Items]
Revenue									267.9
Asia Pacific | Operating Segments | Fashion
Disaggregation of Revenue [Line Items]
Revenue									167.8
Asia Pacific | Operating Segments | Home
Disaggregation of Revenue [Line Items]
Revenue									28.4
Asia Pacific | Operating Segments | Total Fashion & Home
Disaggregation of Revenue [Line Items]
Revenue									196.2
Asia Pacific | Operating Segments | Net sales
Disaggregation of Revenue [Line Items]
Revenue									464.1
Asia Pacific | Operating Segments | Representative fees
Disaggregation of Revenue [Line Items]
Revenue									6.5
Asia Pacific | Operating Segments | Other
Disaggregation of Revenue [Line Items]
Revenue									0.2
Asia Pacific | Operating Segments | Other revenue
Disaggregation of Revenue [Line Items]
Revenue									6.7
IPI Tax on Cosmetics
Disaggregation of Revenue [Line Items]
Revenue									168.0
Other expense, net									$ 27.0