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Hedging Transactions And Derivative Financial Instruments (Summary of Notional Values and Pretax Impact in Fair Values of Net Investment Hedges) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 27, 2019 | Sep. 27, 2019 | Jan. 31, 2019
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivative and nonderivative, notional amount | $ 11,223.6 | $ 11,223.6 |
Derivative and nonderivative, gain (loss) recognized in OCI | 241.6 | 236.3 |
Net investment hedging | Foreign currency contracts |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivatives, notional amount | 1,650.0 | 1,650.0 | $ 1,900.0
Derivative, gain (loss) recognized in OCI | 41.5 | 36.8 |
Net investment hedging | Foreign currency denominated debt |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Nonderivative, notional amount | 8,073.6 | 8,073.6 |
Nonderivative, gain (loss) recognized in OCI | 255.2 | 263.5 |
Cash flow hedging | Interest rate swaps |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Derivatives, notional amount | 1,500.0 | 1,500.0 |
Derivative, gain (loss) recognized in OCI | $ (55.1) | $ (64.0) |

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