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Employee Benefits - Investment Policy and Strategy Narrative (Details) | Dec. 31, 2020
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Foreign Plan | Equity securities |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Actual allocation percentage | 6.00%
Foreign Plan | Fixed income investments |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Actual allocation percentage | 84.00%
Foreign Plan | Other Investments |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Actual allocation percentage | 11.00%
Pension Plan | U.S. | Equity securities |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target allocation percentage | 35.00%
Pension Plan | U.S. | Fixed income investments |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target allocation percentage | 30.00%
Pension Plan | U.S. | Other Investments |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |
Target allocation percentage | 35.00%

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