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Benefit Plans (Expected Future Benefit Payments) (Details) $ in Millions | Dec. 31, 2020 USD ($)
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UNITED STATES |
Defined Benefit Plan Disclosure [Line Items] |
Expected employer contribution in 2021 | $ 8
Expected benefit payments for fiscal year ending: |
2021 | 70
2022 | 71
2023 | 71
2024 | 71
2025 | 72
2026 - 2030 | 354
Foreign Plan [Member] |
Defined Benefit Plan Disclosure [Line Items] |
Expected employer contribution in 2021 | 15
Expected benefit payments for fiscal year ending: |
2021 | 15
2022 | 13
2023 | 14
2024 | 16
2025 | 17
2026 - 2030 | $ 105

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