Income Taxes (Table 1) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Income Taxes [Line Items]
Current	$ (302.1)	$ (415.0)
Deferred	1,520.0	50.1	$ 350.6
Total income tax benefit (expense)	1,217.9	(364.9)	75.0
Her Majesty's Revenue and Customs (HMRC) [Member]
Income Taxes [Line Items]
Current	(15.3)	(0.9)
Deferred	17.0	(208.5)
Total	1.7	(209.4)
Tax and Customs Administration, Netherlands [Member]
Income Taxes [Line Items]
Current	(0.4)	2.5
Deferred	1,315.3	159.0
Total	1,314.9	161.5
Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Current	146.9	(81.2)
Deferred	88.3	58.7
Total	235.2	(22.5)
Administration of the Treasury, Belgium [Member]
Income Taxes [Line Items]
Current	(105.0)	(125.4)
Deferred	57.0	11.1
Total	(48.0)	(114.3)
Swiss Federal Tax Administration (FTA) [Member]
Income Taxes [Line Items]
Current	(48.5)	(63.2)
Deferred	5.3	(14.7)
Total	(43.2)	(77.9)
Chilean Tax Authority [Member]
Income Taxes [Line Items]
Current	(134.3)	(57.4)
Deferred	(11.2)	13.5
Total	(145.5)	(43.9)
Federal Ministry of Finance, Germany [Member]
Income Taxes [Line Items]
Current	(77.9)	(66.7)
Deferred	41.0	24.3
Total	(36.9)	(42.4)
General Revenue Department, Panama [Member]
Income Taxes [Line Items]
Current	(18.6)
Deferred	14.1
Total	(4.5)
Other Income Tax Authority [Member]
Income Taxes [Line Items]
Current	(49.0)	(22.7)
Deferred	(6.8)	6.7
Total	$ (55.8)	$ (16.0)
Continuing operations
Income Taxes [Line Items]
Current			(275.6)
Deferred			350.6
Total income tax benefit (expense)			75.0
Continuing operations | Her Majesty's Revenue and Customs (HMRC) [Member]
Income Taxes [Line Items]
Current			(2.1)
Deferred			113.4
Total			111.3
Continuing operations | Tax and Customs Administration, Netherlands [Member]
Income Taxes [Line Items]
Current			11.1
Deferred			42.5
Total			53.6
Continuing operations | Internal Revenue Service (IRS) [Member]
Income Taxes [Line Items]
Current			(22.5)
Deferred			129.6
Total			107.1
Continuing operations | Administration of the Treasury, Belgium [Member]
Income Taxes [Line Items]
Current			(138.7)
Deferred			31.7
Total			(107.0)
Continuing operations | Swiss Federal Tax Administration (FTA) [Member]
Income Taxes [Line Items]
Current			(76.8)
Deferred			3.1
Total			(73.7)
Continuing operations | Chilean Tax Authority [Member]
Income Taxes [Line Items]
Current			17.1
Deferred			(24.1)
Total			(7.0)
Continuing operations | Federal Ministry of Finance, Germany [Member]
Income Taxes [Line Items]
Current			(22.6)
Deferred			37.0
Total			14.4
Continuing operations | Other Income Tax Authority [Member]
Income Taxes [Line Items]
Current			(41.1)
Deferred			17.4
Total			(23.7)
Discontinued operations
Income Taxes [Line Items]
Current			0.0
Deferred			(0.1)
Discontinued operations			$ (0.1)