Financial Instruments - Derivative Financial Instruments and Hedging Activities - Footnotes (Details) - USD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|
Sep. 27, 2020 |
Sep. 29, 2019 |
Sep. 27, 2020 |
Sep. 29, 2019 |
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| Derivative [Line Items] | ||||||
| Amount of (Gains)/Losses Reclassified from OCI into OID and COS | [1] | $ 143 | $ (29) | $ (25) | $ (372) | |
| Pre-tax loss expected to be reclassified within the next 12 months | 192 | 192 | ||||
| Unsecured Debt [Member] | ||||||
| Derivative [Line Items] | ||||||
| Long-term debt | 1,800 | 1,800 | ||||
| Foreign currency long-term debt [Member] | ||||||
| Derivative [Line Items] | ||||||
| Long-term debt | 2,000 | 2,000 | ||||
| Designated as Hedging Instrument [Member] | Cost of sales [Member] | Foreign exchange contracts [Member] | ||||||
| Derivative [Line Items] | ||||||
| Amount of (Gains)/Losses Reclassified from OCI into OID and COS | $ (34) | $ (66) | $ (184) | $ (169) | ||
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