Consolidated Balance Sheets (Parenthetical) $ in Millions	Dec. 31, 2018 USD ($) shares	Dec. 31, 2018 € / shares	Dec. 31, 2017 USD ($) shares	Dec. 31, 2017 € / shares
Ordinary shares, par value, in USD per share \| € / shares		€ 0.01		€ 0.01
Ordinary shares, number of shares authorized \| shares	1,200,000,000		1,200,000,000
Total equity \| $	$ 12,167.1		$ 13,307.6
Common Stock
Shares issued \| shares	539,289,665		537,902,426
Total equity \| $	$ 6.0		$ 6.0
Treasury Stock
Shares issued \| shares	23,490,867		13,695,251
Total equity \| $	$ (999.7)		$ (567.7)

Face amount or stated value per share of common stock.

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