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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
--- | --- | --- | --- | ---
Oct. 01, 2021 | Oct. 02, 2020 | Oct. 01, 2021 | Oct. 02, 2020 | Oct. 01, 2021 | Oct. 02, 2020
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative and nonderivative, original notional amount | $ 12,589 | $ 14,344 | $ 12,589 | $ 14,344 | $ 12,589 | $ 14,344
Derivative and nonderivative, notional amount | 10,864 | 12,619 | 10,864 | 12,619 | 10,864 | 12,619
Derivative and nonderivative, gain (loss) recognized in OCI |  |  | 173 | (571) | 725 | (240)
Amounts reclassified from OCI |  |  | (74) | 179 | (162) | 218
Net investment hedges | Foreign currency contracts |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, original notional amount | 2,875 | 2,875 | 2,875 | 2,875 | 2,875 | 2,875
Derivative, notional amount outstanding | 2,000 | 2,000 | 2,000 | 2,000 | 2,000 | 2,000
Derivative and nonderivative, gain (loss) recognized in OCI |  |  | 34 | (57) | 100 | 10
Amounts reclassified from OCI |  |  | 0 | 0 | 0 | 0
Net investment hedges | Foreign currency denominated debt |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Nonderivative, notional amount | 4,864 | 6,619 |  |  |  |
Nonderivative, gain (loss) recognized in OCI |  |  | 52 | (209) | 236 | (242)
Amounts reclassified from OCI |  |  | 0 | 0 | 0 | 0
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 and nonderivative, gain (loss) recognized in OCI |  |  | 87 | (305) | 389 | (8)
Amounts reclassified from OCI |  |  | (90) | 166 | (207) | 182
Cash flow hedges | Interest rate swap |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Derivative, original notional amount | 850 | 850 | 850 | 850 | 850 | 850
Derivative, notional amount outstanding | $ 0 | $ 0 | 0 | 0 | 0 | 0
Derivative and nonderivative, gain (loss) recognized in OCI |  |  | 0 | 0 | 0 | 0
Amounts reclassified from OCI |  |  | 1 | 1 | 2 | 2
Cash flow and net investment hedges |  |  |  |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |  |  |  |
Amounts reclassified from OCI |  |  | $ (89) | $ 167 | $ (205) | $ 184

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