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Capital and Treasury Stock - Narrative (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Billions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2017 | Jan. 01, 2017 | Jan. 03, 2016 | Oct. 13, 2015 | Jul. 21, 2014
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Common stock, shares issued (in shares) | 3,119,843 | 3,119,843 | 3,119,843 |  |
Cash dividends per share (in dollars per share) | $ 3.32 | $ 3.15 | $ 2.95 |  |
October 13, 2015 Share Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  | $ 10.0 |
July 21, 2014 Share Repurchase Program |  |  |  |  |
Equity, Class of Treasury Stock [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount |  |  |  |  | $ 5.0

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- Definition Aggregate dividends paid during the period for each share of common stock outstanding. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770 + Details
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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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