Guarantor Financial Information (Condensed Consolidating Balance Sheet) (Details) - USD ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 1,303.6	$ 903.4	$ 1,549.4	$ 1,714.7
Accounts and notes receivable, net	2,798.1	2,679.2
Inventories	1,712.2	1,677.8
Other current assets	403.3	471.6
Intercompany receivables	0.0	0.0
Total current assets	6,217.2	5,732.0
Property, plant and equipment, net	1,806.2	1,730.8
Intangible assets, net	10,931.9	9,594.2
Other assets, net	1,537.0	857.9
Investments in consolidated subsidiaries	0.0	0.0
Intercompany notes receivable	0.0	0.0
Total assets	20,492.3	17,914.9
Current liabilities:
Accounts payable and accruals	4,211.4	3,965.1
Short-term borrowings and current maturities of long-term debt	650.5	350.6
Intercompany accounts payable	0.0	0.0
Total current liabilities	4,861.9	4,315.7
Long-term debt	4,922.9	3,740.7
Other noncurrent liabilities	3,395.1	2,793.7
Intercompany notes payable	0.0	0.0
Total liabilities	13,179.9	10,850.1
Equity:
Total equity	7,312.4	7,064.8	7,206.9	6,718.3
Total liabilities and equity	20,492.3	17,914.9
Plc [Member]
Current assets:
Cash and cash equivalents	0.0	0.0	0.0	0.0
Accounts and notes receivable, net	0.0	0.0
Inventories	0.0	0.0
Other current assets	0.3	0.2
Intercompany receivables	40.0	59.5
Total current assets	40.3	59.7
Property, plant and equipment, net	0.0	0.0
Intangible assets, net	0.0	0.0
Other assets, net	0.0	0.0
Investments in consolidated subsidiaries	10,506.2	9,308.9
Intercompany notes receivable	0.0	0.0
Total assets	10,546.5	9,368.6
Current liabilities:
Accounts payable and accruals	10.1	11.3
Short-term borrowings and current maturities of long-term debt	0.0	0.0
Intercompany accounts payable	3,268.8	2,334.6
Total current liabilities	3,278.9	2,345.9
Long-term debt	0.0	0.0
Other noncurrent liabilities	0.0	0.0
Intercompany notes payable	0.0	0.0
Total liabilities	3,278.9	2,345.9
Equity:
Total equity	7,267.6	7,022.7
Total liabilities and equity	10,546.5	9,368.6
Irish Holdings [Member]
Current assets:
Cash and cash equivalents	0.0	0.1	0.0	0.0
Accounts and notes receivable, net	0.0	0.0
Inventories	0.0	0.0
Other current assets	0.0	0.0
Intercompany receivables	0.0	0.0
Total current assets	0.0	0.1
Property, plant and equipment, net	0.0	0.0
Intangible assets, net	0.0	0.0
Other assets, net	0.0	0.0
Investments in consolidated subsidiaries	10,488.7	9,267.8
Intercompany notes receivable	0.0	0.0
Total assets	10,488.7	9,267.9
Current liabilities:
Accounts payable and accruals	0.0	0.0
Short-term borrowings and current maturities of long-term debt	0.0	0.0
Intercompany accounts payable	0.0	0.0
Total current liabilities	0.0	0.0
Long-term debt	0.0	0.0
Other noncurrent liabilities	0.0	0.0
Intercompany notes payable	0.0	0.0
Total liabilities	0.0	0.0
Equity:
Total equity	10,488.7	9,267.9
Total liabilities and equity	10,488.7	9,267.9
Lux International [Member]
Current assets:
Cash and cash equivalents	0.1	0.2	0.6	0.0
Accounts and notes receivable, net	0.2	0.1
Inventories	0.0	0.0
Other current assets	2.4	7.8
Intercompany receivables	89.7	3.9
Total current assets	92.4	12.0
Property, plant and equipment, net	0.0	0.1
Intangible assets, net	0.0	0.0
Other assets, net	13.3	8.0
Investments in consolidated subsidiaries	4,943.5	3,935.4
Intercompany notes receivable	2,781.9	0.0
Total assets	7,831.1	3,955.5
Current liabilities:
Accounts payable and accruals	0.0	0.1
Short-term borrowings and current maturities of long-term debt	0.0	0.0
Intercompany accounts payable	2,917.4	132.9
Total current liabilities	2,917.4	133.0
Long-term debt	0.0	0.0
Other noncurrent liabilities	0.0	0.0
Intercompany notes payable	0.0	0.0
Total liabilities	2,917.4	133.0
Equity:
Total equity	4,913.7	3,822.5
Total liabilities and equity	7,831.1	3,955.5
Global Holding [Member]
Current assets:
Cash and cash equivalents	0.0	0.0	0.0	0.0
Accounts and notes receivable, net	0.0	0.0
Inventories	0.0	0.0
Other current assets	39.2	0.0
Intercompany receivables	0.0	0.0
Total current assets	39.2	0.0
Property, plant and equipment, net	0.0	0.0
Intangible assets, net	0.0	0.0
Other assets, net	198.4	180.0
Investments in consolidated subsidiaries	14,328.0	11,742.6
Intercompany notes receivable	0.0	0.0
Total assets	14,565.6	11,922.6
Current liabilities:
Accounts payable and accruals	17.8	41.7
Short-term borrowings and current maturities of long-term debt	0.0	0.0
Intercompany accounts payable	3,920.5	3,518.7
Total current liabilities	3,938.3	3,560.4
Long-term debt	2,332.4	2,330.0
Other noncurrent liabilities	0.3	5.5
Intercompany notes payable	3,699.7	2,249.7
Total liabilities	9,970.7	8,145.6
Equity:
Total equity	4,594.9	3,777.0
Total liabilities and equity	14,565.6	11,922.6
New Jersey [Member]
Current assets:
Cash and cash equivalents	313.1	357.7	351.1	630.1
Accounts and notes receivable, net	0.7	1.5
Inventories	0.0	0.0
Other current assets	82.2	86.9
Intercompany receivables	4,644.9	3,831.0
Total current assets	5,040.9	4,277.1
Property, plant and equipment, net	156.9	163.6
Intangible assets, net	2.7	6.8
Other assets, net	746.3	508.4
Investments in consolidated subsidiaries	10,140.5	10,778.8
Intercompany notes receivable	0.0	0.0
Total assets	16,087.3	15,734.7
Current liabilities:
Accounts payable and accruals	438.7	347.0
Short-term borrowings and current maturities of long-term debt	350.4	350.4
Intercompany accounts payable	1,058.9	1,879.0
Total current liabilities	1,848.0	2,576.4
Long-term debt	312.1	319.5
Other noncurrent liabilities	1,107.7	1,096.1
Intercompany notes payable	0.0	0.0
Total liabilities	3,267.8	3,992.0
Equity:
Total equity	12,819.5	11,742.7
Total liabilities and equity	16,087.3	15,734.7
Lux Finance [Member]
Current assets:
Cash and cash equivalents	0.5	0.0	0.0	0.0
Accounts and notes receivable, net	0.0	0.0
Inventories	0.0	0.0
Other current assets	0.0	0.0
Intercompany receivables	1,473.7	0.1
Total current assets	1,474.2	0.1
Property, plant and equipment, net	0.0	0.0
Intangible assets, net	0.0	0.0
Other assets, net	0.0	0.0
Investments in consolidated subsidiaries	1,464.5	1,264.2
Intercompany notes receivable	0.0	0.0
Total assets	2,938.7	1,264.3
Current liabilities:
Accounts payable and accruals	23.3	6.9
Short-term borrowings and current maturities of long-term debt	299.8	0.0
Intercompany accounts payable	29.4	0.2
Total current liabilities	352.5	7.1
Long-term debt	2,278.3	1,091.0
Other noncurrent liabilities	0.0	0.0
Intercompany notes payable	0.0	0.0
Total liabilities	2,630.8	1,098.1
Equity:
Total equity	307.9	166.2
Total liabilities and equity	2,938.7	1,264.3
Other [Member]
Current assets:
Cash and cash equivalents	989.9	545.4	1,197.7	1,084.6
Accounts and notes receivable, net	2,797.2	2,677.6
Inventories	1,712.2	1,677.8
Other current assets	279.2	377.5
Intercompany receivables	4,967.0	3,970.9
Total current assets	10,745.5	9,249.2
Property, plant and equipment, net	1,649.3	1,567.1
Intangible assets, net	10,929.2	9,587.4
Other assets, net	990.2	613.2
Investments in consolidated subsidiaries	0.0	0.0
Intercompany notes receivable	2,249.7	2,249.7
Total assets	26,563.9	23,266.6
Current liabilities:
Accounts payable and accruals	3,721.5	3,558.9
Short-term borrowings and current maturities of long-term debt	0.3	0.2
Intercompany accounts payable	20.3	0.0
Total current liabilities	3,742.1	3,559.1
Long-term debt	0.1	0.2
Other noncurrent liabilities	2,698.3	2,143.8
Intercompany notes payable	1,331.9	0.0
Total liabilities	7,772.4	5,703.1
Equity:
Total equity	18,791.5	17,563.5
Total liabilities and equity	26,563.9	23,266.6
Eliminations [Member]
Current assets:
Cash and cash equivalents	0.0	0.0	$ 0.0	$ 0.0
Accounts and notes receivable, net	0.0	0.0
Inventories	0.0	0.0
Other current assets	0.0	(0.8)
Intercompany receivables	(11,215.3)	(7,865.4)
Total current assets	(11,215.3)	(7,866.2)
Property, plant and equipment, net	0.0	0.0
Intangible assets, net	0.0	0.0
Other assets, net	(411.2)	(451.7)
Investments in consolidated subsidiaries	(51,871.4)	(46,297.7)
Intercompany notes receivable	(5,031.6)	(2,249.7)
Total assets	(68,529.5)	(56,865.3)
Current liabilities:
Accounts payable and accruals	0.0	(0.8)
Short-term borrowings and current maturities of long-term debt	0.0	0.0
Intercompany accounts payable	(11,215.3)	(7,865.4)
Total current liabilities	(11,215.3)	(7,866.2)
Long-term debt	0.0	0.0
Other noncurrent liabilities	(411.2)	(451.7)
Intercompany notes payable	(5,031.6)	(2,249.7)
Total liabilities	(16,658.1)	(10,567.6)
Equity:
Total equity	(51,871.4)	(46,297.7)
Total liabilities and equity	$ (68,529.5)	$ (56,865.3)