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Stockholders' Equity - Additional Information (Detail) - USD ($) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 31, 2017 | Sep. 24, 2017 | Jun. 25, 2017 | Mar. 26, 2017 | Dec. 31, 2016 | Sep. 25, 2016 | Jun. 26, 2016 | Mar. 27, 2016 | Dec. 31, 2015 | Sep. 27, 2015 | Jun. 28, 2015 | Mar. 29, 2015 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015 | Sep. 28, 2017
Shareholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock, shares authorized | 1,500,000,000.0 |  |  |  | 1,500,000,000.0 |  |  |  |  |  |  |  | 1,500,000,000.0 | 1,500,000,000.0 |  |
Preferred stock, shares authorized | 50,000,000 |  |  |  | 50,000,000 |  |  |  |  |  |  |  | 50,000,000 | 50,000,000 |  |
Common stock, shares issued and outstanding | 285,000,000 |  |  |  | 290,000,000 |  |  |  |  |  |  |  | 285,000,000 | 290,000,000 |  |
Common stock, shares outstanding for Balance Sheet presentation purposes | 284,000,000 |  |  |  | 289,000,000 |  |  |  |  |  |  |  | 284,000,000 | 289,000,000 |  |
Preferred stock, shares issued | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 | 0 |  |
Preferred stock, shares outstanding | 0 |  |  |  | 0 |  |  |  |  |  |  |  | 0 | 0 |  |
Number of shares of common stock repurchased with cash |  |  |  |  |  |  |  |  |  |  |  |  | 7,100,000 | 8,900,000 | 15,200,000 |
Cash paid for repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,001,000,000 | $ 2,096,000,000 | $ 3,071,000,000 |
Additional share repurchase program authorized amount |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000,000.0
Remaining authorized repurchase amount under share repurchase program | $ 3,500,000,000 |  |  |  |  |  |  |  |  |  |  |  | $ 3,500,000,000 |  |  |
Common stock, par value (in USD per share) | $ 1 |  |  |  | $ 1 |  |  |  |  |  |  |  | $ 1 | $ 1 |  |
Additional paid-in capital | $ 0 |  |  |  | $ 0 |  |  |  |  |  |  |  | $ 0 | $ 0 |  | $ 0
Reduction to stockholder's equity due to repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | 2,001,000,000 | 2,096,000,000 | 3,071,000,000 |
Dividends preferred stock cash |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,200,000,000 | $ 2,000,000,000 | $ 1,900,000,000 |
Common stock dividends per share declared (in dollars per share) | $ 2.00 | $ 1.82 | $ 1.82 | $ 1.82 | $ 1.82 | $ 1.65 | $ 1.65 | $ 1.65 | $ 1.65 | $ 1.50 | $ 1.50 | $ 1.50 | $ 7.46 | $ 6.77 | $ 6.15 |
Retained Earnings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Shareholders Equity [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction to stockholder's equity due to repurchases of common stock |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,596,000,000 | $ 1,692,000,000 | $ 2,400,000,000 |

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- Definition Increase to the authorized amount of the Company's share repurchase program by the Board of Directors. + References No definition available. + Details
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- Definition Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital. + 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(30)(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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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 Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 + Details
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- Definition Amount of paid and unpaid common stock dividends declared with the form of settlement in cash. + 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 Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased. + 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(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock. + 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 Reference 2: 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 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=84159872&loc=d3e21463-112644 Reference 4: 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(28)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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