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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 | 6 Months Ended
--- | --- | --- | --- | ---
Jul. 02, 2021 | Jul. 03, 2020 | Jul. 02, 2021 | Jul. 03, 2020 | Jul. 02, 2021 | Jul. 03, 2020
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative and nonderivative, original notional amount | $ 10,399 | $ 11,086 | $ 10,399 | $ 11,086 | $ 10,399 | $ 11,086
Derivative and nonderivative, notional amount | 9,524 | 10,211 | 9,524 | 10,211 | 9,524 | 10,211
Derivative and nonderivative, gain (loss) recognized in OCI |  |  | 199 | (569) | 552 | 331
Net investment hedges | Foreign currency contracts |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, original notional amount | 2,875 | 1,875 | 2,875 | 1,875 | 2,875 | 1,875
Derivative, notional amount outstanding | 2,000 | 1,000 | 2,000 | 1,000 | 2,000 | 1,000
Derivative, gain (loss) recognized in OCI |  |  | 43 | (26) | 66 | 67
Net investment hedges | Foreign currency denominated debt |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Nonderivative, notional amount | 3,524 | 5,211 |  |  |  |
Nonderivative, gain (loss) recognized in OCI |  |  | (36) | (189) | 184 | (33)
Cash flow hedges | Foreign currency contracts |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, original notional amount | 4,000 | 4,000 | 4,000 | 4,000 | 4,000 | 4,000
Derivative, notional amount outstanding | $ 4,000 | $ 4,000 | 4,000 | 4,000 | 4,000 | 4,000
Derivative, gain (loss) recognized in OCI |  |  | $ 192 | $ (354) | $ 302 | $ 297

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