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Retirement Benefits (Schedule of Benefit Obligations and Plan Assets) (Details) (USD $)
In Millions, unless otherwise specified
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12 Months Ended |
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Pension Plans, Defined Benefit [Member]
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|
|
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| Defined Benefit Plan, Benefit Obligation, Beginning Balance |
$ 10,423.8 |
$ 9,191.2 |
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| Defined Benefit Plan, Service Cost |
287.1 |
253.1 |
236.3 |
| Defined Benefit Plan, Interest Cost |
437.2 |
455.1 |
447.9 |
| Defined Benefit Plan, Actuarial Net (Gains) Losses |
(792.2) |
834.0 |
|
| Defined Benefit Plan, Benefits Paid |
(402.3) |
(404.2) |
|
| Defined Benefit Plan, Plan Amendments |
(0.1) |
(0.6) |
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| Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Benefit Obligation |
22.9 |
95.2 |
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| Defined Benefit Plan, Benefit Obligation, Ending Balance |
9,976.4 |
10,423.8 |
9,191.2 |
| Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance |
8,286.6 |
7,186.3 |
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| Defined Benefit Plan, Actual Return on Plan Assets |
1,144.6 |
922.7 |
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| Defined Benefit Plan, Contributions by Employer |
428.9 |
469.7 |
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| Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets |
23.9 |
112.1 |
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
9,481.7 |
8,286.6 |
7,186.3 |
| Defined Benefit Plan, Funded Status of Plan |
(494.7) |
(2,137.2) |
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| Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax |
3,546.3 |
5,187.5 |
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| Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax |
50.7 |
54.9 |
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| Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total |
3,102.3 |
3,105.2 |
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Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
|
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| Defined Benefit Plan, Benefit Obligation, Beginning Balance |
2,337.7 |
2,308.6 |
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| Defined Benefit Plan, Service Cost |
49.9 |
63.3 |
72.4 |
| Defined Benefit Plan, Interest Cost |
98.1 |
114.9 |
118.0 |
| Defined Benefit Plan, Actuarial Net (Gains) Losses |
(642.5) |
(57.0) |
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| Defined Benefit Plan, Benefits Paid |
(79.6) |
(67.2) |
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| Defined Benefit Plan, Plan Amendments |
(4.1) |
(28.4) |
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| Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Benefit Obligation |
(2.3) |
3.5 |
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| Defined Benefit Plan, Benefit Obligation, Ending Balance |
1,757.2 |
2,337.7 |
2,308.6 |
| Defined Benefit Plan, Fair Value of Plan Assets, Beginning Balance |
1,518.0 |
1,339.0 |
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| Defined Benefit Plan, Actual Return on Plan Assets |
365.7 |
183.4 |
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| Defined Benefit Plan, Contributions by Employer |
75.5 |
62.8 |
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| Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets |
0 |
0 |
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
1,879.6 |
1,518.0 |
1,339.0 |
| Defined Benefit Plan, Funded Status of Plan |
122.4 |
(819.7) |
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| Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Gains (Losses), before Tax |
178.1 |
1,156.7 |
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| Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax |
(171.5) |
(203.4) |
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| Defined Benefit Plan, Amounts Recognized in Balance Sheet, Total |
129.0 |
133.6 |
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Fair Value, Inputs, Level 2 [Member] | Pension Plans, Defined Benefit [Member]
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|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
4,860.1 |
4,363.1 |
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Fair Value, Inputs, Level 2 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
1,533.9 |
1,229.9 |
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Fair Value, Inputs, Level 3 [Member] | Pension Plans, Defined Benefit [Member]
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|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
2,603.2 |
2,274.9 |
2,256.6 |
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Fair Value, Inputs, Level 3 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
211.1 |
182.2 |
185.2 |
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Fair Value, Inputs, Level 1 [Member] | Pension Plans, Defined Benefit [Member]
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|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
2,018.4 |
1,648.6 |
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Fair Value, Inputs, Level 1 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
|
|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
134.6 |
105.9 |
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Equity Securities [Member] | Pension Plans, Defined Benefit [Member]
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
400.3 |
457.7 |
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Equity Securities [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
39.4 |
45.4 |
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Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member] | Pension Plans, Defined Benefit [Member]
|
|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
211.1 |
149.8 |
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Equity Securities [Member] | Fair Value, Inputs, Level 2 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
21.1 |
15.0 |
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Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] | Pension Plans, Defined Benefit [Member]
|
|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
189.2 |
307.9 |
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Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
18.3 |
30.4 |
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Equity Securities - International [Member] | Pension Plans, Defined Benefit [Member]
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|
|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
2,483.8 |
1,905.3 |
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Equity Securities - International [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
167.2 |
127.7 |
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Equity Securities - International [Member] | Fair Value, Inputs, Level 2 [Member] | Pension Plans, Defined Benefit [Member]
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
1,438.0 |
1,232.0 |
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Equity Securities - International [Member] | Fair Value, Inputs, Level 2 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
105.6 |
93.8 |
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Equity Securities - International [Member] | Fair Value, Inputs, Level 1 [Member] | Pension Plans, Defined Benefit [Member]
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
1,045.8 |
673.3 |
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Equity Securities - International [Member] | Fair Value, Inputs, Level 1 [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member]
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|
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
61.6 |
33.9 |
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Fixed Income Funds Developed Markets [Member] | Fair Value, Inputs, Level 2 [Member] | Pension Plans, Defined Benefit [Member]
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
|
915.3 |
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Fixed Income Funds Developed Markets [Member] | Fair Value, Inputs, Level 3 [Member] | Pension Plans, Defined Benefit [Member]
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
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3.7 |
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Fixed Income Funds Developed Markets [Member] | Fair Value, Inputs, Level 1 [Member] | Pension Plans, Defined Benefit [Member]
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| Defined Benefit Plan, Fair Value of Plan Assets, Ending Balance |
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$ 156.4 |
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