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Retirement Benefits (Schedule of Components in Consolidated Balance Sheets) (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Amounts recognized in the consolidated balance sheet consisted of: |  |
Accrued retirement benefits | $ (1,305.1) | $ (1,954.1)
Defined Benefit Pension Plans |  |
Amounts recognized in the consolidated balance sheet consisted of: |  |
Other noncurrent assets | 1,208.0 | 668.5
Other current liabilities | (70.4) | (68.3)
Accrued retirement benefits | (1,163.8) | (1,749.3)
Accumulated other comprehensive (income) loss before income taxes | 2,695.6 | 3,919.5
Net amount recognized | 2,669.4 | 2,770.4
Retiree Health Benefit Plans |  |
Amounts recognized in the consolidated balance sheet consisted of: |  |
Other noncurrent assets | 1,383.4 | 1,910.2
Other current liabilities | (8.4) | (7.9)
Accrued retirement benefits | (141.3) | (204.8)
Accumulated other comprehensive (income) loss before income taxes | (7.7) | (614.7)
Net amount recognized | $ 1,226.0 | $ 1,082.8

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