v3.10.0.1
Income Taxes (Reconciliation of Federal to Effective Taxes) (Schedule) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2018
Jun. 30, 2017
Accrued Income Taxes [Abstract]        
Computed “expected” tax benefit $ (109.4) $ 133.3 $ 15.0 $ 188.0
Mandatory Repatriation Tax 242.0 0.0 (968.5) 0.0
Change in valuation allowances:        
Expense 18.9 (102.2) (16.1) (169.6)
Benefit (131.2) (2.0) 422.1 10.0
Basis and other differences in the treatment of items associated with investments in subsidiaries and affiliates:        
Expense (91.4) (41.3) (146.6) (80.8)
Benefit (0.4) (0.1) 3.3 0.3
Non-deductible or non-taxable foreign currency exchange results:        
Expense 78.0 (103.4) (4.9) (132.5)
Benefit 71.3 3.0 73.6 4.3
Non-deductible or non-taxable interest and other items        
Expense (15.0) (5.7) (41.8) (52.6)
Benefit 9.3 10.0 22.4 18.8
International rate differences:        
Expense (13.5) (3.5) (22.6) (19.1)
Benefit 15.5 41.4 31.2 75.3
Other, net 18.7 1.8 15.7 7.5
Total income tax benefit (expense) $ 92.8 $ (68.7) $ (617.2) $ (150.4)