Derivative Instruments (Fair Values of Derivative Assets and Liabilities) (Schedule and Footnotes) (Details) (USD $) In Millions, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Assets:
Current	$ 499.2	$ 252.1
Long-term	909.9	952.1
Total	1,409.1	1,204.2
Liabilities:
Current	1,271.4	751.2
Long-term	2,271.3	2,305.3
Total	3,542.7	3,056.5
Cross-currency and interest rate derivative contracts
Assets:
Current	497.3	248.4
Long-term	483.3	520.8
Total	980.6	769.2
Liabilities:
Current	1,163.5	727.2
Long-term	2,271.2	2,191.4
Total	3,434.7	2,918.6
Equity Contract [Member]
Assets:
Current	0	0
Long-term	425.1	430.4
Total	425.1	430.4
Liabilities:
Current	105.1	15.6
Long-term	0	101.3
Total	105.1	116.9
Foreign Exchange Forward [Member]
Assets:
Current	1.3	2.6
Long-term	0	0
Total	1.3	2.6
Liabilities:
Current	2.6	8.2
Long-term	0	12.0
Total	2.6	20.2
Other
Assets:
Current	0.6	1.1
Long-term	1.5	0.9
Total	2.1	2.0
Liabilities:
Current	0.2	0.2
Long-term	0.1	0.6
Total	$ 0.3	$ 0.8