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Capital and Treasury Stock - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Billions |  | 12 Months Ended |
--- | --- | --- | ---
Jan. 04, 2021 | Jan. 03, 2021 | Dec. 29, 2019 | Dec. 30, 2018 | Dec. 17, 2018
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Common stock, shares issued (in shares) |  | 3,119,843 | 3,119,843 | 3,119,843 |
Cash dividends paid (in dollars per share) |  | $ 3.98 | $ 3.75 | $ 3.54 |
Common Stock, Dividends, Per Share, Declared | $ 1.01 |  |  |  |
December 17, 2018 Share Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  | $ 5.0

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