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Pension and Other Postretirement Benefits (Summary of Strategic Ranges for Assets Allocation Plan) (Details) - Pension Plan | Dec. 31, 2018
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Minimum | U.S. Plans | Equities | United States |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 38.00%
Minimum | U.S. Plans | Equities | International |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 12.00%
Minimum | U.S. Plans | Fixed income |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 15.00%
Minimum | U.S. Plans | Balanced funds |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 12.00%
Minimum | U.S. Plans | Real estate |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 5.00%
Minimum | Non-U.S. Plans | Equities | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 0.00%
Minimum | Non-U.S. Plans | Real estate | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 0.00%
Minimum | Non-U.S. Plans | Investment grade credit | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 30.00%
Minimum | Non-U.S. Plans | Hedge funds | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 0.00%
Minimum | Non-U.S. Plans | Alternative credit | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 0.00%
Minimum | Non-U.S. Plans | Other | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 0.00%
Maximum | U.S. Plans | Equities | United States |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 48.00%
Maximum | U.S. Plans | Equities | International |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 18.00%
Maximum | U.S. Plans | Fixed income |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 25.00%
Maximum | U.S. Plans | Balanced funds |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 18.00%
Maximum | U.S. Plans | Real estate |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 10.00%
Maximum | Non-U.S. Plans | Equities | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 30.00%
Maximum | Non-U.S. Plans | Real estate | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 5.00%
Maximum | Non-U.S. Plans | Investment grade credit | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 90.00%
Maximum | Non-U.S. Plans | Hedge funds | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 10.00%
Maximum | Non-U.S. Plans | Alternative credit | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 20.00%
Maximum | Non-U.S. Plans | Other | United Kingdom |
Defined Benefit Plan Disclosure [Line Items] |
Target plan asset allocations, minimum | 15.00%

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